11th Computer Science MCQ’s with Answers Chapter no 5 | 1st Year Computer Science Mcqs

written by Assad Javaid | August 5, 2021


We are providing accurate mcq questions for class 11 computer science chapter wise. You can read 1st year computer science mcqs with answers.

11th Computer Science MCQ’s with Answers Chapter no 1 11th Computer Science MCQ’s with Answers Chapter no 2
11th Computer Science MCQ’s with Answers Chapter no 3 11th Computer Science MCQ’s with Answers Chapter no 4
11th Computer Science MCQ’s with Answers Chapter no 5 11th Computer Science MCQ’s with Answers Chapter no 6
11th Computer Science MCQ’s with Answers Chapter no 7 11th Computer Science MCQ’s with Answers Chapter no 8
11th Computer Science MCQ’s with Answers Chapter no 9 11th Computer Science MCQ’s with Answers Chapter no 10
11th Computer Science MCQ’s with Answers Chapter no 1 | 1st Year Computer Science Mcqs

Chapter 5

Computer Architecture

Encircle the most appropriate answer among the following options  choose which one is correct?

1          Data and programs that are not being use by computer are stored in choose which one is correct?

  1. Secondary storage
  2. Cache
  3. Primary storage
  4. printer

2          A set of instructions that run the computer are choose which one is correct?

  1. Hardware
  2. document
  3. CPUs
  4. Software

3          The idea of stored program was given by choose which one is correct?

  1. Charles Babbage
  2. John Leitbiz
  3. John Von Neumann
  4. Pascal

4          Which one is the brain of computer?

  1. RAM
  2. CPU
  3. Motherboard
  4. System unit

5          Which component of a computer decodes and executes program constructions?

  1. Main memory
  2. Control unit
  3. Bus interconnection
  4. ALU

6          The component of computer that stores data and program while these are being executed is called choose which one is correct?

  1. Main memory
  2. Control unit
  3. Bus interconnection
  4. ALU

7          The component of computer that is used to connect different parts of the computer together is called choose which one is correct?

  1. Register
  2. I/O unit
  3. Bus interconnection
  4. CPU

8          A computer drives its basic strength from choose which one is correct?

  1. Speed
  2. Memory
  3. Accuracy
  4. All

9          The program that contains instructions to operate a device is called choose which one is correct?

  1. Device driver
  2. Device Operator
  3. Device linking
  4. Device system

10        Which component of CPU is responsible for performing arithmetic and logical operations on numeric data?

  1. ALU
  2. Control unit
  3. Register
  4. None

11        CPU is an example of choose which one is correct?

  1. Software
  2. Input unit
  3. Hardware
  4. Output unit

12        Which is a storage device?

  1. CPU
  2. Clock
  3. Floppy disk
  4. Bus

13        Which component of computer coordinates all activities in the computer?

  1. ALU
  2. Control unit
  3. Bus interconnection
  4. Reni

14        Registers Which component of computer is responsible for comparison of two numbers?

  1. ALU
  2. Control unit
  3. Memory
  4. Hard Disk

15        — is the component of CPU choose which one is correct?

  1. Main memory
  2. Bus interconnection
  3. ALU
  4. None

16        CPU includes all of the following components except?

  1. Main memory
  2. ALU
  3. Control unit
  4. Registers

17        The cells of memory are logically organized into group of choose which one is correct?

  1. 4-bits
  2. 5-bits
  3. 7-bits
  4. 8-bits

18        CPU is an example of choose which one is correct?

  1. Software
  2. a program
  3. Hardware
  4. an output unit

19        The address of instruction under the processor execution is contained within choose which one is correct?

  1. Program Counter
  2. Current Instruction Register
  3. Memory address registers
  4. Memory Buffer register

20        RAM is a choose which one is correct?

  1. Read Only Memory
  2. Permanent memory
  3. Volatile memory
  4. None

 21              is non-volatile memory choose which one is correct?

  1. RAM
  2. DRAM
  3. ROM
  4. SRAM

22        ___chips must be refreshed with electric charge periodically?

  1. SRAM
  2. ROM
  3. EEPROM
  4. DRAM

23        ROM is choose which one is correct?

  1. Read Only Memory
  2. Non-volatile
  3. Volatile
  4. Both a and b

24        —is a type of ROM?

  1. PROM
  2. EPROM
  3. EEPROM
  4. All

25        — memories can be re-written by using electrical devices?

  1. PROM
  2. ROM
  3. EEPROM
  4. EPROM

26        Which memory is used to increase the processing speed of computer?

  1. RAM
  2. ROM
  3. Cache Memory
  4. SRAM

27        Files not being used by computer are stored in choose which one is correct?

  1. Secondary storage
  2. Cache
  3. Primary Storage
  4. Registers

28        A set of parallel electrical lines used to transfer data is called choose which one is correct?

  1. Monitor
  2. Computer Clock
  3. 1/O unit
  4. Bus

29        The circuit board on which processor and other chips are mounted is called choose which one is correct?

  1. Master board
  2. Main board
  3. Motherboard
  4. All

30        The external devices that are connected to a computer are called choose which one is correct?

  1. Buses
  2. Registers
  3. Peripherals
  4. Slots

31        A computer drives its basic strength from choose which one is correct?

  1. Speed
  2. Memory
  3. Accuracy
  4. ALL of the above

32        The arithmetic and logic unit performs the following operations  choose which one is correct?

  1. Controls Computer operations
  2. Performs arithmetic functions such as addition and subtraction etc.
  3. Performs logical comparisons such as equal, greater than, less than etc.
  4. Both b and c

33        How many categories the system bus is divided?

  1. 2
  2. 3
  3. 4
  4. 5

34        Which one is not a type of bus?

  1. Cache
  2. Control bus
  3. Address bus
  4. Data bus

35        CPU sends command signals to different components of computer through choose which one is correct?

  1. Data bus
  2. Address bus
  3. Control bus
  4. All

36        A bus that communicates data between CPU and memory is called choose which one is correct?

  1. Data bus
  2. Address bus
  3. Control bus
  4. All

37        — – command is used to write data into memory?

  1. 1/O Write
  2. Transfer Ask
  3. Memory Write
  4. 1/0

38        Read Temporary storage area within CPU is called choose which one is correct?

  1. Register
  2. ALU
  3. Bus interconnection
  4. Linked code

39        Which one is faster?

  1. RAM
  2. Cache
  3. Register
  4. Hard disk

40        Which is not a type of register?

  1. Math coprocessor
  2. Flag
  3. Accumulator
  4. Segment

 41       – – registers holds the address of the next instruction to be fetched for execution choose which one is correct?

  1. IR
  2. PC
  3. MAR
  4. MBR

42        – – registers holds the address of the next instruction to be fetched for memory choose which one is correct?

  1. IR
  2. PC
  3. MAR
  4. MBR

43        Which register holds the address of active memory location that is being currently accessed by the CPU?

  1. IR
  2. PC
  3. MAR
  4. MBR

44        Which is a storage device?

  1. CPU
  2. Clock
  3. Floppy disk
  4. Bus

45        Which component is responsible for comparing the contents of two pieces of data choose which one is correct?

  1. ALU
  2. Control Unit
  3. Memory
  4. None

46        Which register holds the contents of data/instruction read from, or written in memory?

  1. IR
  2. PC
  3. MAR
  4. MBR

47               registers acts as counter for looping process?

  1. EAX
  2. EBX
  3. ECX
  4. EDX

48              registers is used for arithmetic and data operations?

  1. AX
  2. BX
  3. CX
  4. DX

49                registers holds the base location of all executable instructions in the program?

  1.  CS
  2. DS, SS
  3. ES, FS
  4. FS, GS

50              registers contains the base location of the current program stack?

  1. CS
  2. DS
  3. ES
  4. SS

51.       The size of segment register is choose which one is correct?

  1. 2-bytes
  2. 2 KB
  3. 2 MB
  4. 2 bits

52        The program that contains instructions to operate a device is called choose which one is correct?

  1. Device driver
  2. Device operator
  3. Device linking
  4. Device system

53        Which component of CPU decodes and executes the programs instructions?

  1. Clock
  2. CU
  3. Cache
  4. ALU

54        Which component handles the processor’s communication with its peripheral devices?

  1. 1/O Unit
  2. Hard Disk
  3. Registers
  4. CD

55        Which is not a component of a CPU?

  1. Clock
  2. Register
  3. Main Memory
  4. Cache

56        The basic unit for data storage is choose which one is correct?

  1. Byte
  2. Bit
  3. TB

  • GB

57        8 Bytes is equal to choose which one is correct?

  1. Bit
  2. 48 bits
  3. 32 Bits
  4. 64 bits

58        The process of taking action on the decoded instruction is called choose which one is correct?

  1. Decode instruction
  2. Execute instruction
  3. Activate instruction
  4. None

59        The process of decoding the instruction so that the computer can understand it is called choose which one is correct?

  1. Decode instruction
  2. Execute instruction
  3. Translate instruction
  4. Fetch instruction

60        The programming languages that are close to human language are called choose which one is correct?

  1. High-level
  2. Low-level
  3. Medium-level
  4. Machine

61.       The programming languages that are very close to machine code are called choose which one is correct?

  1.  High-level
  2. Low-level
  3. Medium-level
  4. Machine

62        How many types of language translator?

  1. 2
  2. 4
  3. 5
  4. 3

63                 is a type of language translator?

  1. Compiler
  2. Assembler
  3. Interpreter
  4. All

64        The set of parallel lines to connect to different parts of the computer is called choose which one is correct?

  1. Bus
  2. Memory
  3. 1/O
  4. ALL

65                of the above Which register is used for counting purpose?

  1. AX
  2. CX
  3. DX
  4. BX

66        Which register is known as Accumulator?

  1. AX
  2. CX
  3. DX
  4. BX

67        The program written in assembly language is translated with the help of choose which one is correct?

  1. Compiler
  2. Assembler
  3. Interpreter
  4. Decoder

68        The translated program into machine code is called choose which one is correct?

  1. Source program
  2. Object program
  3. System program
  4. Application software

69        The output of the compiler is called choose which one is correct?

  1. Program
  2. Source code
  3. Application
  4. Object code

70.       The special programs that are used to convert a source code into object code are called choose which one is correct?

  1. Language translator
  2. Language processor
  3. Both a and b
  4. Operating system

71        Which is not a general purpose register?

  1. EDX
  2. EAX
  3. EEX
  4. EBX

72        The register that holds the current Instruction is called

  1. MBR
  2. MAR
  3. IR
  4. PC

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