B.COM 3RD YEAR IT MCQ
1. The given hexadecimal number (1E.53)16 is equivalent to ____________
a) (35.684)8
b) (36.246)8
c) (34.340)8
d) (35.599)8
View Answer
Answer: b
2. The octal number (651.124)8 is equivalent to ______
a) (1A9.2A)16
b) (1B0.10)16
c) (1A8.A3)16
d) (1B0.B0)16
View Answer
Answer: a
3. The octal equivalent of the decimal number (417)10 is _____
a) (641)8
b) (619)8
c) (640)8
d) (598)8
View Answer
Answer: a
1. What is the addition of the binary numbers 11011011010 and 010100101?
a) 0111001000
b) 1100110110
c) 11101111111
d) 10011010011
View Answer
Answer: c
2. Perform binary addition: 101101 + 011011 = ?
a) 011010
b) 1010100
c) 101110
d) 1001000
View Answer
Answer: d
3. Perform binary subtraction: 101111 – 010101 = ?
a) 100100
b) 010101
c) 011010
d) 011001
View Answer
Answer: c
4. Binary subtraction of 100101 – 011110 is?
a) 000111
b) 111000
c) 010101
d) 101010
View Answer
Answer: a
5. Perform multiplication of the binary numbers: 01001 × 01011 = ?
a) 001100011
b) 110011100
c) 010100110
d) 101010111
View Answer
Answer: a
6. 100101 × 0110 = ?
a) 1011001111
b) 0100110011
c) 101111110
d) 0110100101
View Answer
Answer: c
7. On multiplication of (10.10) and (01.01), we get ____________
a) 101.0010
b) 0010.101
c) 011.0010
d) 110.0011
View Answer
Answer: c
8. Divide the binary numbers: 111101 ÷ 1001 and find the remainder.
a) 0010
b) 1010
c) 1100
d) 0111
View Answer
Answer: d
9. Divide the binary number (011010000) by (0101) and find the quotient.
a) 100011
b) 101001
c) 110010
d) 010001
View Answer
Answer: b
10. Binary subtraction of 101101 – 001011 = ?
a) 100010
b) 010110
c) 110101
d) 101100
View Answer
Answer: a
1) Which number system has a base 16Hexadecimal
Octal
Binary
Decimal
3) The following hexadecimal number (1E.43)16 is equivalent to(36.506)8
(36.206)8
(35.506)8
(35.206)8Hide Answer Workspace
Answer: b
9) Which of these sets of logic gates are known as universal gates?XOR, NAND, OR
OR, NOT, XOR
NOR, NAND, XNOR
NOR, NANDHide Answer Workspace
Answer: d
35) The AND operation is equivalent toUnion
Intersection
Division
Both option a and b
Hide Answer Workspace
Answer: b
41) Which insulating layer is used in the fabrication of MOSFET?Silicon Nitride
Aluminum sulphate
Copper sulphate
Silicon dioxideHide Answer Workspace
Answer: d
This set of Digital Electronics/Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Karnaugh Map”.
1. A Karnaugh map (K-map) is an abstract form of ____________ diagram organized as a matrix of squares.
a) Venn Diagram
b) Cycle Diagram
c) Block diagram
d) Triangular Diagram
View Answer
Answer: a
2. There are ______ cells in a 4-variable K-map.
a) 12
b) 16
c) 18
d) 8
View Answer
Answer:
3. The K-map based Boolean reduction is based on the following Unifying Theorem: A + A’ = 1.
a) Impact
b) Non Impact
c) Force
d) Complementarity
View Answer
Answer: b
4. Each product term of a group, w’.x.y’ and w.y, represents the ____________ in that group.
a) Input
b) POS
c) Sum-of-Minterms
d) Sum of Maxterms
View Answer
Answer: c
9. It should be kept in mind that don’t care terms should be used along with the terms that are present in ___________
a) Minterms
b) Expressions
c) K-Map
d) Latches
View Answer
Answer: a
10. Using the transformation method you can realize any POS realization of OR-AND with only.
a) XOR
b) NAND
c) AND
d) NOR
View Answer
Answer: d
11. There are many situations in logic design in which simplification of logic expression is possible in terms of XOR and _________________ operations.
a) X-NOR
b) XOR
c) NOR
d) NAND
View Answer
Answer: a
12. These logic gates are widely used in _______________ design and therefore are available in IC form.
a) Sampling
b) Digital
c) Analog
d) Systems
View Answer
Answer: b
1. The output of an EX-NOR gate is 1. Which input combination is correct?
a) A = 1, B = 0
b) A = 0, B = 1
c) A = 0, B = 0
d) A = 0, B’ = 1
View Answer
Answer: c
2. In which of the following gates the output is 1 if and only if at least one input is 1?
a) AND
b) NOR
c) NAND
d) OR
View Answer
Answer: d
1. A term in computer terminology is a change in technology a computer is/was being used.
a) development
b) generation
c) advancement
d) growth
View Answer
Answer: b
2. The fourth generation was based on integrated circuits.
a) True
b) False
View Answer
Answer: b
3. The generation based on VLSI microprocessor.
a) 1st
b) 2nd
c) 3rd
d) 4th
View Answer
Answer: d
4. ______ generation of computer started with using vacuum tubes as the basic components.
a) 1st
b) 2nd
c) 3rd
d) 4th
View Answer
Answer: a
5. Batch processing was mainly used in this generation.
a) 1st
b) 2nd
c) 3rd
d) 4th
View Answer
Answer: a
6. ___________ is an emerging branch in computer science, which interprets means and method of making computers think like human beings.
a) Block chain
b) VR
c) AI
d) Cloud computing
View Answer
Answer: c
7. ULSI stands for?
a) Ultra Large Scale Integration
b) Under Lower Scale Integration
c) Ultra Lower Scale Integration
d) Under Large Scale Integration
View Answer
Answer: a
9. HLL stands for?
a) High Level Language
b) High Layman’s Language
c) High Level Lesson
d) High Layman’s Lesson
View Answer
Answer: a
10. The period of ________ generation was 1952-1964.
a) 1st
b) 2nd
c) 5th
d) 4th
View Answer
Answer: b
1. A device that allows users to feed data into a computer for analysis and storage and to give commands to the computer is called
a) Output device
b) Input device
c) Memory
d) Both a and b
Answer: (b)
2. User communicates with a computer with the help of which devices?
a) Input device
b) Output device
c) Software device
d) Both a and b
Answer: (d), Input-output device feeds data into and accepts data from a computer.
3. Which device allows you to enter data and instructions into a computer?
a) Input device
b) Output device
c) ALU
d) CPU
Answer: (a)
4. Which device converts human-understandable data and programs into a form that computers can understand and process?
a) Output
b) Monitor
c) Input
d) All of the above
Answer: (c)
5. A device that communicates the results of data processed by the computer and converts the digital information into a form that humans can easily read and understood is called
a) Input
b) Monitor
c) Output
d) Keyboard
Answer: (c)
6. Which of the following groups are only input devices?
a) Mouse, keyboard, monitor, Joystick
b) Mouse, keyboard, printer, Light pen
c) Mouse, keyboard, Scanner, Joystick, Light pen
d) Mouse, keyboard, Trackball, Touch Screen, Microphone
e) Both c and d
Answer: (e)
7. Which of the following is not a pointing device?
a) Mouse
b) Joystick
c) Light pen
d) Digitizer
Answer: (d), Digitizer is an input device that converts analog information into a digital form.
8. Which input device is used for input text, numbers, and commands to the computer?
a) Mouse
b) Keyboard
c) Scanner
d) All of the above
Answer: (b)
9. Which input device is/are used to move the cursor position on a monitor screen?
a) Mouse
b) Joystick
c) Light pen
d) Both a and b
Answer: (d)
10. The number of function keys in a keyboard is
(a) 14
(b) 12
(c) 13
(d) 15
Answer: (c)
11. Ctrl, Shift, and Alt are known as _ _ _ _ _ _ _keys.
(a) function
(b) modifier
(c) alphanumeric
(d) adjustment
Answer: (b)
12. Which key of keyboard is used to make characters either upper or lower case?
(a) ESC
(b) Return
(c) Shift
(d) Both a and c
Answer: (c)
13. The use of tab key in the keyboard is
(a) to move a cursor across the screen
(b) to indent a paragraph
(c) to move the cursor down the screen
(d) Both a and c
Answer: (d)
14. Mouse is
(a) pointing and drop device
(b) cursor-control device
(c) monitoring device
(d) Both a and b
Answer: (d)
15. The first computer mouse was developed by
(a) Douglas Engelbart
(b) William English
(c) Daniel Cougher
(d) Robert Zawaski
Answer: (a)
16. Optical mouse was built by
(a) IBM, 1920
(b) Intel, 1930
(c) Microsoft, 1999
(d) Dell, 2000
Answer: (c)
17. Which of the following is used in an optical mouse?
(a) Infrared light
(b) Light Emitting Diode (LED)
(c) Sensor
(d) Microwave
Answer: (b)
18. Wireless mouse communicates through
(a) radiowaves
(b) infrared wave
(c) microwaves
(d) Electromagnetic signal
Answer: (a)
19. Which of the following are not input devices?
(a) Webcam and Microphone
(b) Bar Code Reader and Smart Card Reader
(c) Optical Character Reader and Optical Mark Recognition
(d) Monitor and Printer
Answer: (d)
20. Which of the following is/are input devices?
(a) Track ball
(b) Scanner
(c) Touch screen
(d) Magnetic Ink Card Reader (MICR)
(e) All of the above
Answer: (e)
21. Which of the following is not an output device?
(a) Monitor
(b) Printer
(c) Headphone
(d) Speaker
(e) Scanner
Answer: (e)
22. A projector is an _ _ _ _ _ _ device that can take images generated by a computer and reproduce
them on a large, flat surface.
(a) input
(b) output
(c) input and output
(d) monitor input
Answer: (b)
23. The OCR stands for
(a) Outsized Character Reader
(b) Optical Character Reader
(c) Operational Character Reader
(d) Only Character Reader
Answer: (b)
24. The OMR stands for
(a) Optical Mark Recognition
(b) Optical Magnetic Reader
(c) Only Mark Recognition
(d) Optical Markup Recognition
Answer: (a)
25. The MICR stands for
(a) Magnetic Ink Card Reader
(b) Magnetic Ink Code Recognition
(c) Meta Ink Character Recognition
(d) None of these
Answer: (a)
26. Which kind of device is a digital camera?
(a) Output
(b) Input
(c) Input and Output
(d) Software
Answer: (b)
27. Which of the following groups consists of only output devices?
(a) Scanner, monitor, printer
(b) Mouse, monitor, printer
(c) Keyboard, monitor, printer
(d) Monitor, printer, plotter
Answer: (d)
28. Which of the following is not an output device?
(a) LCD
(b) Printer
(c) CRT
(d) Touch screen
Answer: (d)
29. The computer monitor is connected to CPU through
(a) Bus
(b) Cable
(c) Wire
(d) Line driver
Answer: (b)
30. The number of pixels displayed on the computer screen is called
(a) color depth
(b) resolution
(c) refresh rate
(d) viewing size
Answer: (b)
31. Which of the following is a combination of input-output devices?
(a) VDT
(b) Keyboard
(c) Printer
(d) Laser
Answer: (a)
32. Which of the following units are used to count the speed of the printer?
(a) CPM
(b) PPM
(c) LPM
(d) All of the above
Answer: (d)
33. The output quality of a printer is measured in
(a) dots per sq
(b) dots per inch
(c) dots printer per inch
(d) All of these
Answer: (a)
34. Which of the following is a kind of port?
(a) Serial
(b) Parallel
(c) AGP
(d) All of these
Answer: (d)
35. How many bits of data can be transferred by parallel port?
(a) 2
(b) 4
(c) 8
(d) 16
Answer: (c)
36. The full form of USB port is
(a) United Serial Bus
(b) Universal Serial By-pass
(c) Universal System Bus
(d) Universal Serial Bus
Answer: (d)
37. Which of the following is the fastest port data transfer?
(a) USB
(b) Serial
(c) Parallel
(d) Firewire
Answer: (d)
38. USB port is a
(a) Serial port
(b) Parallel port
(c) infrared port
(d) AGP port
Answer: (a)
39. Which post is widely used on wireless devices to connect with network devices for easy communication?
(a) Serial port
(b) Parallel port
(c) Infrared port
(d) AGP port
Answer: (c)
40. Which port can be used for transferring files between two computers?
(a) Serial port
(b) Parallel port
(c) Firewire port
(d) Infrared port
Answer: (c)
26. Which kind of device is a digital camera?
(a) Output
(b) Input
(c) Input and Output
(d) Software
Answer: (b)
27. Which of the following groups consists of only output devices?
(a) Scanner, monitor, printer
(b) Mouse, monitor, printer
(c) Keyboard, monitor, printer
(d) Monitor, printer, plotter
Answer: (d)
28. Which of the following is not an output device?
(a) LCD
(b) Printer
(c) CRT
(d) Touch screen
Answer: (d)
29. The computer monitor is connected to CPU through
(a) Bus
(b) Cable
(c) Wire
(d) Line driver
Answer: (b)
30. The number of pixels displayed on the computer screen is called
(a) color depth
(b) resolution
(c) refresh rate
(d) viewing size
Answer: (b)
31. Which of the following is a combination of input-output devices?
(a) VDT
(b) Keyboard
(c) Printer
(d) Laser
Answer: (a)
32. Which of the following units are used to count the speed of the printer?
(a) CPM
(b) PPM
(c) LPM
(d) All of the above
Answer: (d)
33. The output quality of a printer is measured in
(a) dots per sq
(b) dots per inch
(c) dots printer per inch
(d) All of these
Answer: (a)
34. Which of the following is a kind of port?
(a) Serial
(b) Parallel
(c) AGP
(d) All of these
Answer: (d)
35. How many bits of data can be transferred by parallel port?
(a) 2
(b) 4
(c) 8
(d) 16
Answer: (c)
36. The full form of USB port is
(a) United Serial Bus
(b) Universal Serial By-pass
(c) Universal System Bus
(d) Universal Serial Bus
Answer: (d)
37. Which of the following is the fastest port data transfer?
(a) USB
(b) Serial
(c) Parallel
(d) Firewire
Answer: (d)
38. USB port is a
(a) Serial port
(b) Parallel port
(c) infrared port
(d) AGP port
Answer: (a)
39. Which post is widely used on wireless devices to connect with network devices for easy communication?
(a) Serial port
(b) Parallel port
(c) Infrared port
(d) AGP port
Answer: (c)
40. Which port can be used for transferring files between two computers?
(a) Serial port
(b) Parallel port
(c) Firewire port
(d) Infrared port
Answer: (c)
26. Which kind of device is a digital camera?
(a) Output
(b) Input
(c) Input and Output
(d) Software
Answer: (b)
27. Which of the following groups consists of only output devices?
(a) Scanner, monitor, printer
(b) Mouse, monitor, printer
(c) Keyboard, monitor, printer
(d) Monitor, printer, plotter
Answer: (d)
28. Which of the following is not an output device?
(a) LCD
(b) Printer
(c) CRT
(d) Touch screen
Answer: (d)
29. The computer monitor is connected to CPU through
(a) Bus
(b) Cable
(c) Wire
(d) Line driver
Answer: (b)
30. The number of pixels displayed on the computer screen is called
(a) color depth
(b) resolution
(c) refresh rate
(d) viewing size
Answer: (b)
31. Which of the following is a combination of input-output devices?
(a) VDT
(b) Keyboard
(c) Printer
(d) Laser
Answer: (a)
32. Which of the following units are used to count the speed of the printer?
(a) CPM
(b) PPM
(c) LPM
(d) All of the above
Answer: (d)
33. The output quality of a printer is measured in
(a) dots per sq
(b) dots per inch
(c) dots printer per inch
(d) All of these
Answer: (a)
34. Which of the following is a kind of port?
(a) Serial
(b) Parallel
(c) AGP
(d) All of these
Answer: (d)
35. How many bits of data can be transferred by parallel port?
(a) 2
(b) 4
(c) 8
(d) 16
Answer: (c)
36. The full form of USB port is
(a) United Serial Bus
(b) Universal Serial By-pass
(c) Universal System Bus
(d) Universal Serial Bus
Answer: (d)
37. Which of the following is the fastest port data transfer?
(a) USB
(b) Serial
(c) Parallel
(d) Firewire
Answer: (d)
38. USB port is a
(a) Serial port
(b) Parallel port
(c) infrared port
(d) AGP port
Answer: (a)
39. Which post is widely used on wireless devices to connect with network devices for easy communication?
(a) Serial port
(b) Parallel port
(c) Infrared port
(d) AGP port
Answer: (c)
40. Which port can be used for transferring files between two computers?
(a) Serial port
(b) Parallel port
(c) Firewire port
(d) Infrared port
Answer: (c)
26. Which kind of device is a digital camera?
(a) Output
(b) Input
(c) Input and Output
(d) Software
Answer: (b)
27. Which of the following groups consists of only output devices?
(a) Scanner, monitor, printer
(b) Mouse, monitor, printer
(c) Keyboard, monitor, printer
(d) Monitor, printer, plotter
Answer: (d)
28. Which of the following is not an output device?
(a) LCD
(b) Printer
(c) CRT
(d) Touch screen
Answer: (d)
29. The computer monitor is connected to CPU through
(a) Bus
(b) Cable
(c) Wire
(d) Line driver
Answer: (b)
30. The number of pixels displayed on the computer screen is called
(a) color depth
(b) resolution
(c) refresh rate
(d) viewing size
Answer: (b)
31. Which of the following is a combination of input-output devices?
(a) VDT
(b) Keyboard
(c) Printer
(d) Laser
Answer: (a)
32. Which of the following units are used to count the speed of the printer?
(a) CPM
(b) PPM
(c) LPM
(d) All of the above
Answer: (d)
33. The output quality of a printer is measured in
(a) dots per sq
(b) dots per inch
(c) dots printer per inch
(d) All of these
Answer: (a)
34. Which of the following is a kind of port?
(a) Serial
(b) Parallel
(c) AGP
(d) All of these
Answer: (d)
35. How many bits of data can be transferred by parallel port?
(a) 2
(b) 4
(c) 8
(d) 16
Answer: (c)
36. The full form of USB port is
(a) United Serial Bus
(b) Universal Serial By-pass
(c) Universal System Bus
(d) Universal Serial Bus
Answer: (d)
37. Which of the following is the fastest port data transfer?
(a) USB
(b) Serial
(c) Parallel
(d) Firewire
Answer: (d)
38. USB port is a
(a) Serial port
(b) Parallel port
(c) infrared port
(d) AGP port
Answer: (a)
39. Which post is widely used on wireless devices to connect with network devices for easy communication?
(a) Serial port
(b) Parallel port
(c) Infrared port
(d) AGP port
Answer: (c)
40. Which port can be used for transferring files between two computers?
(a) Serial port
(b) Parallel port
(c) Firewire port
(d) Infrared port
Answer: (c)
26. Which kind of device is a digital camera?
(a) Output
(b) Input
(c) Input and Output
(d) Software
Answer: (b)
27. Which of the following groups consists of only output devices?
(a) Scanner, monitor, printer
(b) Mouse, monitor, printer
(c) Keyboard, monitor, printer
(d) Monitor, printer, plotter
Answer: (d)
28. Which of the following is not an output device?
(a) LCD
(b) Printer
(c) CRT
(d) Touch screen
Answer: (d)
29. The computer monitor is connected to CPU through
(a) Bus
(b) Cable
(c) Wire
(d) Line driver
Answer: (b)
30. The number of pixels displayed on the computer screen is called
(a) color depth
(b) resolution
(c) refresh rate
(d) viewing size
Answer: (b)
31. Which of the following is a combination of input-output devices?
(a) VDT
(b) Keyboard
(c) Printer
(d) Laser
Answer: (a)
32. Which of the following units are used to count the speed of the printer?
(a) CPM
(b) PPM
(c) LPM
(d) All of the above
Answer: (d)
33. The output quality of a printer is measured in
(a) dots per sq
(b) dots per inch
(c) dots printer per inch
(d) All of these
Answer: (a)
34. Which of the following is a kind of port?
(a) Serial
(b) Parallel
(c) AGP
(d) All of these
Answer: (d)
35. How many bits of data can be transferred by parallel port?
(a) 2
(b) 4
(c) 8
(d) 16
Answer: (c)
36. The full form of USB port is
(a) United Serial Bus
(b) Universal Serial By-pass
(c) Universal System Bus
(d) Universal Serial Bus
Answer: (d)
37. Which of the following is the fastest port data transfer?
(a) USB
(b) Serial
(c) Parallel
(d) Firewire
Answer: (d)
38. USB port is a
(a) Serial port
(b) Parallel port
(c) infrared port
(d) AGP port
Answer: (a)
39. Which post is widely used on wireless devices to connect with network devices for easy communication?
(a) Serial port
(b) Parallel port
(c) Infrared port
(d) AGP port
Answer: (c)
40. Which port can be used for transferring files between two computers?
(a) Serial port
(b) Parallel port
(c) Firewire port
(d) Infrared port
Answer: (c)
26. Which kind of device is a digital camera?
(a) Output
(b) Input
(c) Input and Output
(d) Software
Answer: (b)
27. Which of the following groups consists of only output devices?
(a) Scanner, monitor, printer
(b) Mouse, monitor, printer
(c) Keyboard, monitor, printer
(d) Monitor, printer, plotter
Answer: (d)
28. Which of the following is not an output device?
(a) LCD
(b) Printer
(c) CRT
(d) Touch screen
Answer: (d)
29. The computer monitor is connected to CPU through
(a) Bus
(b) Cable
(c) Wire
(d) Line driver
Answer: (b)
30. The number of pixels displayed on the computer screen is called
(a) color depth
(b) resolution
(c) refresh rate
(d) viewing size
Answer: (b)
31. Which of the following is a combination of input-output devices?
(a) VDT
(b) Keyboard
(c) Printer
(d) Laser
Answer: (a)
32. Which of the following units are used to count the speed of the printer?
(a) CPM
(b) PPM
(c) LPM
(d) All of the above
Answer: (d)
33. The output quality of a printer is measured in
(a) dots per sq
(b) dots per inch
(c) dots printer per inch
(d) All of these
Answer: (a)
34. Which of the following is a kind of port?
(a) Serial
(b) Parallel
(c) AGP
(d) All of these
Answer: (d)
35. How many bits of data can be transferred by parallel port?
(a) 2
(b) 4
(c) 8
(d) 16
Answer: (c)
36. The full form of USB port is
(a) United Serial Bus
(b) Universal Serial By-pass
(c) Universal System Bus
(d) Universal Serial Bus
Answer: (d)
37. Which of the following is the fastest port data transfer?
(a) USB
(b) Serial
(c) Parallel
(d) Firewire
Answer: (d)
38. USB port is a
(a) Serial port
(b) Parallel port
(c) infrared port
(d) AGP port
Answer: (a)
39. Which post is widely used on wireless devices to connect with network devices for easy communication?
(a) Serial port
(b) Parallel port
(c) Infrared port
(d) AGP port
Answer: (c)
40. Which port can be used for transferring files between two computers?
(a) Serial port
(b) Parallel port
(c) Firewire port
(d) Infrared port
Answer: (c)
26. Which kind of device is a digital camera?
(a) Output
(b) Input
(c) Input and Output
(d) Software
Answer: (b)
27. Which of the following groups consists of only output devices?
(a) Scanner, monitor, printer
(b) Mouse, monitor, printer
(c) Keyboard, monitor, printer
(d) Monitor, printer, plotter
Answer: (d)
28. Which of the following is not an output device?
(a) LCD
(b) Printer
(c) CRT
(d) Touch screen
Answer: (d)
29. The computer monitor is connected to CPU through
(a) Bus
(b) Cable
(c) Wire
(d) Line driver
Answer: (b)
30. The number of pixels displayed on the computer screen is called
(a) color depth
(b) resolution
(c) refresh rate
(d) viewing size
Answer: (b)
31. Which of the following is a combination of input-output devices?
(a) VDT
(b) Keyboard
(c) Printer
(d) Laser
Answer: (a)
32. Which of the following units are used to count the speed of the printer?
(a) CPM
(b) PPM
(c) LPM
(d) All of the above
Answer: (d)
33. The output quality of a printer is measured in
(a) dots per sq
(b) dots per inch
(c) dots printer per inch
(d) All of these
Answer: (a)
34. Which of the following is a kind of port?
(a) Serial
(b) Parallel
(c) AGP
(d) All of these
Answer: (d)
35. How many bits of data can be transferred by parallel port?
(a) 2
(b) 4
(c) 8
(d) 16
Answer: (c)
36. The full form of USB port is
(a) United Serial Bus
(b) Universal Serial By-pass
(c) Universal System Bus
(d) Universal Serial Bus
Answer: (d)
37. Which of the following is the fastest port data transfer?
(a) USB
(b) Serial
(c) Parallel
(d) Firewire
Answer: (d)
38. USB port is a
(a) Serial port
(b) Parallel port
(c) infrared port
(d) AGP port
Answer: (a)
39. Which post is widely used on wireless devices to connect with network devices for easy communication?
(a) Serial port
(b) Parallel port
(c) Infrared port
(d) AGP port
Answer: (c)
40. Which port can be used for transferring files between two computers?
(a) Serial port
(b) Parallel port
(c) Firewire port
(d) Infrared port
Answer: (c)
26. Which kind of device is a digital camera?
(a) Output
(b) Input
(c) Input and Output
(d) Software
Answer: (b)
27. Which of the following groups consists of only output devices?
(a) Scanner, monitor, printer
(b) Mouse, monitor, printer
(c) Keyboard, monitor, printer
(d) Monitor, printer, plotter
Answer: (d)
28. Which of the following is not an output device?
(a) LCD
(b) Printer
(c) CRT
(d) Touch screen
Answer: (d)
29. The computer monitor is connected to CPU through
(a) Bus
(b) Cable
(c) Wire
(d) Line driver
Answer: (b)
30. The number of pixels displayed on the computer screen is called
(a) color depth
(b) resolution
(c) refresh rate
(d) viewing size
Answer: (b)
31. Which of the following is a combination of input-output devices?
(a) VDT
(b) Keyboard
(c) Printer
(d) Laser
Answer: (a)
32. Which of the following units are used to count the speed of the printer?
(a) CPM
(b) PPM
(c) LPM
(d) All of the above
Answer: (d)
33. The output quality of a printer is measured in
(a) dots per sq
(b) dots per inch
(c) dots printer per inch
(d) All of these
Answer: (a)
34. Which of the following is a kind of port?
(a) Serial
(b) Parallel
(c) AGP
(d) All of these
Answer: (d)
35. How many bits of data can be transferred by parallel port?
(a) 2
(b) 4
(c) 8
(d) 16
Answer: (c)
36. The full form of USB port is
(a) United Serial Bus
(b) Universal Serial By-pass
(c) Universal System Bus
(d) Universal Serial Bus
Answer: (d)
37. Which of the following is the fastest port data transfer?
(a) USB
(b) Serial
(c) Parallel
(d) Firewire
Answer: (d)
38. USB port is a
(a) Serial port
(b) Parallel port
(c) infrared port
(d) AGP port
Answer: (a)
39. Which post is widely used on wireless devices to connect with network devices for easy communication?
(a) Serial port
(b) Parallel port
(c) Infrared port
(d) AGP port
Answer: (c)
40. Which port can be used for transferring files between two computers?
(a) Serial port
(b) Parallel port
(c) Firewire port
(d) Infrared port
Answer: (c)
26. Which kind of device is a digital camera?
(a) Output
(b) Input
(c) Input and Output
(d) Software
Answer: (b)
27. Which of the following groups consists of only output devices?
(a) Scanner, monitor, printer
(b) Mouse, monitor, printer
(c) Keyboard, monitor, printer
(d) Monitor, printer, plotter
Answer: (d)
28. Which of the following is not an output device?
(a) LCD
(b) Printer
(c) CRT
(d) Touch screen
Answer: (d)
29. The computer monitor is connected to CPU through
(a) Bus
(b) Cable
(c) Wire
(d) Line driver
Answer: (b)
30. The number of pixels displayed on the computer screen is called
(a) color depth
(b) resolution
(c) refresh rate
(d) viewing size
Answer: (b)
31. Which of the following is a combination of input-output devices?
(a) VDT
(b) Keyboard
(c) Printer
(d) Laser
Answer: (a)
32. Which of the following units are used to count the speed of the printer?
(a) CPM
(b) PPM
(c) LPM
(d) All of the above
Answer: (d)
33. The output quality of a printer is measured in
(a) dots per sq
(b) dots per inch
(c) dots printer per inch
(d) All of these
Answer: (a)
34. Which of the following is a kind of port?
(a) Serial
(b) Parallel
(c) AGP
(d) All of these
Answer: (d)
35. How many bits of data can be transferred by parallel port?
(a) 2
(b) 4
(c) 8
(d) 16
Answer: (c)
36. The full form of USB port is
(a) United Serial Bus
(b) Universal Serial By-pass
(c) Universal System Bus
(d) Universal Serial Bus
Answer: (d)
37. Which of the following is the fastest port data transfer?
(a) USB
(b) Serial
(c) Parallel
(d) Firewire
Answer: (d)
38. USB port is a
(a) Serial port
(b) Parallel port
(c) infrared port
(d) AGP port
Answer: (a)
39. Which post is widely used on wireless devices to connect with network devices for easy communication?
(a) Serial port
(b) Parallel port
(c) Infrared port
(d) AGP port
Answer: (c)
40. Which port can be used for transferring files between two computers?
(a) Serial port
(b) Parallel port
(c) Firewire port
(d) Infrared port
Answer: (c)
1. Which of the following produces high-quality output?
- A. Impact printer
- B. Non-impact printer
- C. Plotter
- D. Both '1' and '2'
2. The pattern of printed lines on most products are called
- A. Prices
- B. OCR
- C. Scanner
- D. Bar codes
3. In MICR, C stands for
- A. Code
- B. Colour
- C. Computer
- D. Character
4. The OCR recognises the ...... of the characters with the help of light source
- A. Size
- B. Shape
- C. Colour
- D. Used ink
5. Speed of line printer is limited by the speed of
- A. Paper movements
- B. Cartridge used
- C. Length of paper
- D. All of these
6. Which of the following groups consists of only
- A. Mouse, Keyboard, Monitor
- B. Mouse, Keyboard, Printer
- C. Mouse, Keyboard, Plotter
- D. Mouse, Keyboard, Scanner
7. The the screen o ISSC CGL 2013 may also be called monitor.
- A. Printer
- B. Scanner
- C. Hard disk
- D. Display
8. USB refers to
- A. a Storage device
- B. a Processor
- C. a Port type
- D. a Serial bus standard
9. A joystick is primarily used to/for
- A. Control sound on the screen
- B. Computer gaming
- C. Enter text
- D. Draw pictures
10. Laser printers belong to
- A. Line printer
- B. Page printer
- C. Band printer
- D. None of these
11. What type of devices are computer speakers or headphones?
- A. Input
- B. Input/Output
- C. Storage
- D. Output
12. The OCR is used for the preparation of
- A. Electricity bills
- B. Insurance premium
- C. Telephone bills
- D. All of the above
13. Dot-matrix is a type of
- A. Tape
- B. Printer
- C. Disk
- D. Bus
14. What are the units used to count the speed of a printer?
- A. CPM
- B. DPI
- C. PPM
- D. BIT
15. Which of these is a pointing and drop device?
- A. Mouse
- B. Scanner
- C. Printer
- D. CD-Rom
16. A hard copy would prepared on a
- A. Line printer
- B. Dot matrix printer
- C. Plotter
- D. All of these
17. A parallel port is most often used by a
- A. Printer
- B. Monitor
- C. Mouse
- D. external storage device
18. Which of the following is not an output device?
- A. Scanner
- B. Flat screen
- C. Plotter
- D. Printer
19. Drum printer is an example of
- A. Input
- B. Output
- C. Processing
- D. Storage
20. External devices such as printers, keyboards and modems are known as
- A. Add on devices
- B. Peripherals
- C. Special buys
- D. Extra hardware devices
21. The higher the resolution of a monitor, the
- A. Larger the pixels
- B. less clear the screen is
- C. further apart the pixels
- D. Closer together the pixels
22. The CRT is ......... in shape
- A. Circular
- B. Rectangular
- C. Conical
- D. Eclipse
23. Which key is used in combination with another key to perform a specific task?
- A. Function
- B. Arrow
- C. Control
- D. Space bar
24. In laser printers, printing is achieved by deflecting laser beam on to...... surface of a drum
- A. Magnetised
- B. Photosensitive
- C. Magnetic
- D. None of these
25. The rate at which scanning is repeated in a CRT
- A. Refresh rate
- B. Bandwidth
- C. Pitch
- D. Resolution
26. An example of peripheral equipment is
- A. Printer
- B. CPU
- C. Spreadsheet
- D. Microcomputer
27. Trackball is an example of
- A. Pointing device
- B. Output device
- C. Software device
- D. Printing device
28. First computer mouse was built by
- A. Douglas Engelbart
- B. William English
- C. Oaniel Coogher
- D. Robert Zawacki
29. Which of the following is not hardware?
- A. Processor chip
- B. Printer
- C. Java
- D. Mouse
30. printer cannot print more than one character at a time.
- A. Line
- B. Laser
- C. Daisy-wheel
- D. Dot matrix
31. The _____________ pen is an input device which is used to select and display objects on a computer screen
- A. Ink
- B. Light
- C. Magnetic
- D. Magnetic
- E. None of the above
32. The small element at the base of a mouse is called _________.
- A. Roller
- B. Ball Pin
- C. TrackBall
- D. RollerBall
- E. None of the above
33. Which of the following is NOT an input device?
- A. Barcode Reader
- B. Scanner
- C. Touchpad
- D. Microphone
- E. Speaker
34. Which of the following is an example of a pointing device?
- A. Mouse
- B. Scanner
- C. Printer
- D. Barcode Reader
- E. All of the above
35. What all keys can be found on a keyboard?
- A. Alphabet keys
- B. Numerical keys
- C. Command keys
- D. Start button
- E. All of the above
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