BCA IST SEM FOC MCQ BATCH 2023-24
UNIT IST
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
Explanation: The 4th gen was VLSI microprocessor based. The period of fourth generation:
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
8. In this generation Time sharing, Real time, Networks, Distributed Operating System was used.
a) 1st
b) 2nd
c) 5th
d) 4th
View Answer
Answer: d
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
Explanation: The period of the 2nd generation is 1952-1964. The period of the first generation was 1942-1954.
1. Execution of several activities at the same time.
a) processing
b) parallel processing
c) serial processing
d) multitasking
View Answer
Answer: b
2. Parallel processing has single execution flow.
a) True
b) False
View Answer
Answer: b
3. A term for simultaneous access to a resource, physical or logical.
a) Multiprogramming
b) Multitasking
c) Threads
d) Concurrency
View Answer
Answer: d
4. ______________ leads to concurrency.
a) Serialization
b) Parallelism
c) Serial processing
d) Distribution
View Answer
Answer: b
5. A parallelism based on increasing processor word size.
a) Increasing
b) Count based
c) Bit based
d) Bit level
View Answer
Answer: d
6. A type of parallelism that uses micro architectural techniques.
a) instructional
b) bit level
c) bit based
d) increasing
View Answer
Answer: a
7. MIPS stands for?
a) Mandatory Instructions/sec
b) Millions of Instructions/sec
c) Most of Instructions/sec
d) Many Instructions / sec
View Answer
Answer: b
8. The measure of the “effort” needed to maintain efficiency while adding processors.
a) Maintainablity
b) Efficiency
c) Scalabilty
d) Effectiveness
View Answer
Answer: c
9. The rate at which the problem size need to be increased to maintain efficiency.
a) Isoeffciency
b) Efficiency
c) Scalabilty
d) Effectiveness
View Answer
Answer: a
10. Several instructions execution simultaneously in ________________
a) processing
b) parallel processing
c) serial processing
d) multitasking
View Answer
Answer: b
1. Which unit is responsible for converting the data received from the user into a computer understandable format?
a) Memory Unit
b) Arithmetic & Logic Unit
c) Input Unit
d) Output Unit
View Answer
Answer: c
2. The only language which the computer understands is ______________
a) Assembly Language
b) Binary Language
c) BASIC
d) C Language
View Answer
Answer: b
3. The smallest unit of data in computer is ________________
a) Byte
b) Nibble
c) Bit
d) KB
View Answer
Answer: c
4. One nibble is equivalent to how many bits?
a) 2
b) 4
c) 8
d) 1
View Answer
Answer: b
5. Which of the following describes the correct format of an input instruction?
a) IN 82
b) INPUT 82
c) INP 82
d) 82 INP
View Answer
Answer: a
6. The input machine which originated in the United States around 1880s is a ___________
a) Mouse
b) Joystick
c) Keyboard
d) Bar Code Reader
View Answer
Answer: c
7. What does the COMPUTER stand for?
a) Commonly Operated Machines Used in Technical and Educational Research
b) Commonly Occupied Machines Used in Technical and Educational Research
c) Commonly Operated Machines Used in Technical and Environmental Research
d) Commonly Oriented Machines Used in Technical and Educational Research
View Answer
Answer: a
8. 1 yottabyte = ______________
a) 1024 TB
b) 1024 EB
c) 1024 ZB
d) 1024 PB
View Answer
Answer: c
Explanation: 1 yottabyte is equal to 1024 ZB, which stands for zettabyte. Further, 1 ZB=1024 EB (exabyte) and and 1 EB=1024PB (petabyte).
9. Which of the following is not a function of the Input Unit?
a) It reads instructions and data from the outside world
b) It converts the data into computer acceptable format
c) It makes the data into user understandable format
d) It supplies the data and instructions to the computer for further processing
View Answer
Answer: c
10. Label the parts 1 and 2:
a) 1.ALU 2. MU
b) 1.Output unit 2.Input Unit
c) 1.MU 2. ALU
d) 1.Input Unit 2.Output Unit
View Answer
Answer: d
1. The process of producing useful information for the user is called ___________
a) Controlling
b) Outputting
c) Inputting
d) Processing
View Answer
Answer: b
2. The output unit converts the data entered by the user into computer understandable form.
a) True
b) False
View Answer
Answer: b
3. VDU stands for __________
a) Virtual Display Unit
b) Visual Display Unit
c) Virtual Detection Unit
d) Visual Detection Unit
View Answer
Answer: b
4. What does SVGA stand for?
a) Standard Visual Graphics Array
b) Super Visual Graphics Array
c) Standard Video Graphics Array
d) Super Video Graphics Array
View Answer
Answer: d
5. The devices that used to give single or multiple colored images and drawings are ____________
a) Monitors
b) Printers
c) Plotters
d) VDUs
View Answer
Answer: c
6. A special request originated from some device to the CPU to acquire some of its time is called ___________
a) Disturbance
b) Attenuation
c) Interrupt
d) Noise
View Answer
Answer: c
7. Line Printers that print one line at a time are _________
a) Laser Printers
b) Inkjet Printers
c) Drum Printers
d) Chain Printers
View Answer
Answer: c
8. A ___________________ monitor looks like a television and are normally used with non-portable computer systems.
a) CRT
b) LCD
c) LED
d) Flat Panel Monitors
View Answer
Answer: a
9. Which of the following is not a function of the Output Unit?
a) It produces results that can be easily understood by the user
b) It accepts the results produced by the computer
c) It supplies the data and instructions to the outside world
d) It supplies the data and instructions to the computer for further processing
View Answer
Answer: d
10. PCI stands for _________
a) Peripheral Component Interconnect
b) Partial Component Interconnect
c) Peripheral Component Interaction
d) Partial Component Interaction
View Answer
Answer: a
MEMORY MCQ
1. Which of the following is the smallest entity of memory?
(a) Block
(b) Cell
(c) Instance
(d) Set
Answer: (b), computer memory is divided into a large number of small parts called cells. Each cell (location) has a unique address, which varies from 0 to memory size – 1.
2. The primary memory (also called main memory) of a personal computer consists of
(a) RAM only
(b) ROM only
(c) both RAM and ROM
(d) Cache memory
Answer: (c)
3. The Boot sector files of the system are stored in which computer memory?
(a) RAM
(b) ROM
(c) Cache
(d) Register
Answer: (b), ROM stores the program instructions required to initially boot the computer. It only allows reading.
4. Which of the following statements are not correct about the main memory of a computer?
(a) In main memory, data
gets lost when power is switched off.
(b) Main memory is faster than secondary memory but slower than registers.
(c) They are made up of semiconductors.
(d) All are correct
Answer: (d)
5. What is the full form of RAM?
(a) Read Access Memory
(b) Random Access Memory
(c) Readable Access Memory
(d) Random Accumulator Memory
Answer: (b)
6. What is the full form of ROM?
(a) Read-Only Memory
(b) Random Only Memory
(c) Register Only Memory
(d) Readable Only Memory
Answer: (a)
7. RAM is _ _ _ _ _ _ and _ _ _ _ _.
(a) volatile, temporary
(b) non-volatile, temporary
(c) volatile, permanent
(d) non-volatile, permanent
Answer: (a), RAM is volatile which means its data are lost when the device is powered off.
8. Which of the following memory is non-volatile?
(a) RAM
(b) ROM
(c) Cache
(d) ROM and Cache
Answer: (b), ROM chip is non-volatile, meaning its data is retained even when the device is powered off.
9. Which of the following is the lowest in the computer memory hierarchy?
(a) Cache
(b) RAM
(c) Secondary memory
(d) CPU registers
Answer: (c)
Read Complete Tutorial: What is Memory in Computer
10. Which of the following has the fastest speed in the computer memory hierarchy?
(a) Cache
(b) Register in CPU
(c) Main memory
(d) Disk cache
Answer: (b)
11. Which memory acts as a buffer between CPU and main memory?
(a) RAM
(b) ROM
(c) Cache
(d) Storage
Answer: (c), Cache memory is a small, very high-speed semiconductor memory, which helps to speed up CPU. It is placed as a buffer between the CPU and RAM.
12. Which of the following statements are not correct about cache memory?
(a) Cache memory is used
to store data temporarily.
(b) It holds that data and program which has to be executed within a short
period of time.
(c) It consumes less access time as compared to the RAM.
(d) All are correct.
Answer: (d)
13. Which process is used to map logical addresses of variable length onto physical memory?
(a) Paging
(b) Overlays
(c) Segmentation
(d) Paging with segmentation
Answer: (c), Segmentation is a process or method in which memory is divided into groups of variable length called segments.
14. Which of the following is used to transfer data between the processor (CPU) and memory?
(a) Cache
(b) TLB
(c) Buffer
(d) Registers
Answer: (d), a processor (CPU) contains several registers to temporarily store data during the program’s execution.
15. Which computer memory chip allows simultaneous both read and write operations?
(a) ROM
(b) RAM
(c) PROM
(d) EEPROM
Answer: (b), RAM is a volatile chip memory that performs both read and write operations. That’s why, it is also called read-write memory (called RWM).
16. In which type of memory, once the program or data is written, it cannot be changed?
(a) EPROM
(b) PROM
(c) EEPROM
(d) None of these
Answer: (b), In Programmable Read-Only Memory (PROM), If there is an error in writing instructions or data, the error cannot be erased. PROM chip becomes unusable.
17. In which type of ROM, data can be erased by ultraviolet light and then reprogrammed by the user or manufacturer?
(a) PROM
(b) EPROM
(c) EEPROM
(d) Both a and b
Answer: (b), Erasable Programmable Read-Only Memory (EPROM).
18. Which type of ROM is used for erasing purposes only?
(a) PROM
(b) EPROM
(c) EEPROM
(d) Both b and c
Answer: (c), EEPROM stands for Electrically Erasable Programmable Read-Only Memory.
19. How many types of RAM are available?
(a) 4
(b) 3
(c) 2
(d) 5
Answer: (c), there are two types of Random Access Memory or RAM. They are SRAM (Static RAM) and DRAM (Dynamic RAM).
20. What is the size of the computer accumulator register?
(a) 4 bit
(b) 4KB
(c) 4 bytes
(d) 8 bytes
Answer: (c)
21. Which of the following is an example of solid-state storage device?
(a) Hard Drive
(b) CD
(c) DVD
(d) USB Flash Drive
Answer: (d)
22. Which of the following is an example of volatile memory?
(a) Hard Driver
(b) RAM
(c) PROM
(d) Floppy Disk
Answer: (b)
23. The smallest unit of measuring data in the computer is
(a) Byte
(b) Kilobyte
(c) Nibble
(d) Bit
Answer: (d)
24. What happens when RAM is full in the computer?
(a) Cache memory is used
(b) The volatile memory is used
(c) An interrupt is raised
(d) Hard disk is used
Answer: (b)
25. Which of the following is primary memory (or main memory)?
(a) RAM
(b) ROM
(c) Secondary memory (also called auxiliary memory)
(d) Both a and b
Answer: (d)
26. The computer internal memory consists of
(a) Cache memory,
registers
(b) CPU registers, main memory, cache memory
(c) Main memory, secondary memory
(d) Virtual memory, cache memory
Answer: (b)
27. Main memory (also called primary memory) store(s)
(a) Data alone
(b) Program alone
(c) Results alone
(d) All
Answer: (d)
28. Primary storage is . . . . . . . as compared to secondary storage.
(a) Slow and inexpensive
(b) Fast and inexpensive
(c) Fast and expensive
(d) Slow and expensive
Answer: (c)
29. Storage that stores or retains data/information permanently after power off is called
(a) Volatile storage
(b) Non-volatile storage
(c) Sequential storage
(d) Both a and b
Answer: (b)
30. Which of the following statement is true about secondary memory (auxiliary memory)?
(a) Secondary memory is
non-volatile in nature that is slower than primary memories.
(b) It is also known as backup memory.
(c) Data is permanently stored even if power is switched off.
(d) Computer may run without secondary memory.
(e) All are correct
Answer: (e)
31. Which of the following is/are examples of non-volatile storage?
(a) Magnetic disks
(b) USB flash drive and Memory card
(c) Hard Drive
(d) All
Answer: (d)
32. The process of dividing the disk into tracks and sectors is called
(a) Tracking
(b) Crashing
(c) Dicing
(d) Formatting
Answer: (d)
33. The main memory of a personal computer can also be called
(a) Primary storage
(b) Internal memory
(c) Primary memory
(d) All of these
Answer: (d)
34. Cache loses its information when the power is off. This is because cache memory is
(a) Dynamic in nature
(b) Static in nature
(c) Volatile in nature
(d) Non-volatile in nature
Answer: (c)
35. Which of the following can be used as main memory?
(a) Compact disk
(b) Magnetic disk
(c) Hard disk
(d) None of these
Answer: (d)
36. How can you measure the speed of RAM?
(a) Capacity
(b) Bus width
(c) Bus speed
(d) Both b and c
Answer: (d)
37. RAM is volatile in nature because
(a) it can be used for
both reading and writing operations.
(b) by which we can access from any location.
(c) it must need power supply continuously to retain data.
(d) it does not need power supply continuously.
Answer: (c)
38. Which of the following memory uses flip flop component?
(a) DRAM
(b) SRAM
(c) ROM
(d) SDRAM
Answer: (b)
39. In which of the following transistor and capacitor is used?
(a) SRAM
(b) DRAM
(c) SDRAM
(d) Both b and c
Answer: (b)
40. Which type of RAM can be used as cache memory?
(a) SRAM
(b) DRAM
(c) SDRAM
(d) Both a and b
Answer: (a)
41. Which of the following statement is/are true about static RAM?
(a) In static RAM, data is
stored in flip flop.
(b) It does not need to be refreshed periodically.
(c) It is faster than dynamic RAM.
(d) All of these are true.
Answer: (d)
42. Which of the following statement is false about dynamic RAM?
(a) DRAM needs a
continuously refreshed memory to store data.
(b) It is slower than SRAM.
(c) It is more expensive than SRAM.
(d) All are correct.
Answer: (c)
43. Which of the following chips stores the basic input-output system (BIOS)?
(a) RAM
(b) ROM
(c) PROM
(d) None of these
Answer: (b)
44. Which of the following is not RAM?
(a) SRAM
(b) DRAM
(c) WRAM and VRAM
(d) PRAM
Answer: (d)
45. SDRAM stands for
(a) Static DRAM
(b) Synchronous DRAM
(c) Super DRAM
(d) Semi DRAM
Answer: (b)
46. Which of the following memories needs refresh to store information?
(a) Cache
(b) SRAM
(c) DRAM
(d) All of these
Answer: (c)
47. Which of the following is “built-in memory” in the computer?
(a) RAM
(b) ROM
(c) LSI
(d) VLSI
Answer: (b), ROM is also known as permanent memory.
48. EPROM is used for
(a) erasing the data of
ROM
(b) reconstructing data of ROM
(c) duplicating ROM
(d) erasing and reconstructing data of ROM
Answer: (d)
49. EPROM is generally erased by
(a) infrared rays
(b) ultraviolet rays
(c) Electromagnetic signal
(d) 12V electrical pulse
Answer: (b)
50. Virtual memory is an
(a) extremely large memory
(b) extremely large secondary memory
(c) illusion of an extremely large memory
(d) a type of memory used in supercomputers.
Answer: (c)
51. The technique that extends storage capacities of the main memory beyond the actual size of the main memory is known as
(a) multitasking
(b) multiprocessing
(c) virtual storage
(d) multiprogramming
Answer: (c)
52. USB stands for
(a) Uniform service bus
(b) Universal serial bus
(c) Universal serial buffer
(d) Universal sector bus
Answer: (b)
53. The memory that cannot be accessed directly by processor (CPU) is
(a) internal memory
(b) external memory
(c) cache memory
(d) system memory
Answer: (b)
54. In which storage medium, we can store the maximum amount of data
(a) Magnetic storage
(b) Optical storage
(c) Solid data storage
(d) Storage capacity
Answer: (d)
55. Which of the following memories has the fastest (or shortest) access time?
(a) RAM
(b) ROM
(c) Cache memory
(d) Magnetic core memory
Answer: (c)
56. Why do we use cache memory between CPU and main memory?
(a) to increase the
internal memory of computer system
(b) to reduce the memory access and cycle time
(c) to store data and programs that can be executed within a short period of
time
(d) both a and d
Answer: (d)
57. The advantages of using secondary memory storage in a personal computer are
(a) very high storage
capacity
(b) permanent storage (non-volatile)
(c) stores data that are not currently being used by CPU
(d) All of these
Answer: (d)
58. Hard disk can be formatted at the time of
(a) RAM
(b) Booting
(c) disk reader
(d) None of these
Answer: (b)
59. Which of the following memory storage is slow?
(a) Magnetic disc
(b) RAM
(c) Hard disk
(d) Optical disk
Answer: (d)
60. The key feature of dynamic RAM is
(a) it is less expensive
and cheaper than static RAM
(b) it is faster than SRAM
(c) it is bigger in size than SRAM
(d) it requires less power than static RAM
Answer: (a)
61. Higher the RAM of computer, the faster its processing speed. Since it eliminates
(a) need for external
memory
(b) need for ROM
(c) need for cache memory
(d) All of these
Answer: (a)
62. Which of the following is the feature of SRAM?
(a) It is faster than DRAM
(b) It is bigger in size and more expensive than DRAM
(c) it requires less power consumption
(d) All of these
Answer: (d)
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