1st Year Computer Science Chapter 5 Computer Architecture Notes MCQs

computer 11th notes Chapter 5

1. 8 Bytes is equal to

 
 
 
 

2. The process of decoding the instruction so that the computer can understand it is called

 
 
 
 

3. The external devices connected to a computer system are known as:

 
 
 
 

4. Which is not a component of a CPU?

 
 
 
 

5. Which is a storage device?

 
 
 
 

6. ____ is a type of ROM?

 
 
 
 

7. Types of translators are:

 
 
 
 

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

 
 
 
 

9. Memory consists of:

 
 
 
 

10. The cells of memory are logically organized into group of

 
 
 
 

11. ____ chips must be refreshed with electric charge periodically?

 
 
 
 

12. The circuit board on which the processor and other chips are placed is called:

 
 
 
 

13. The bus used to connect the CPU to memory on the system board is called: 

 
 
 
 

14. Which is not a general purpose register?

 
 
 
 

15. The difference between ROM and RAM is:

 
 
 
 

16. The program that contains instructions to operate a device is called

 
 
 
 

17. Computers derive its basic strength from:

 
 
 
 

18. The idea of storing a program in memory was given by:

 
 
 
 

19. A 32-bit bus is     than a 16-bit bus.

 
 
 
 

20. Which component is responsible for comparing the contents of two pieces of data

 
 
 
 

21. The step that translates instruction into individual commands is called:

 
 
 
 

22. Expansion slots connect interface cards to:

 
 
 
 

23. The component of computer that is used to connect different parts of the computer together is called

 
 
 
 

24. The step that obtains the next instruction from memory is called:

 
 
 
 

25. RAM is a

 
 
 
 

26. The programming languages that are very close to machine code are called

 
 
 
 

27. The set of parallel lines to connect to different parts of the computer is called

 
 
 
 

28. Which component handles the processor communication with its peripheral

 
 
 
 

29. Which one is faster?

 
 
 
 

30. ____of the above Which register is used for counting purpose?

 
 
 
 

31. Which component of computer coordinates all activities in the computer?

 
 
 
 

32. Which one is not a type of bus?

 
 
 
 

33. The program written in assembly language is translated with the help of

 
 
 
 

34. Which of the following is not a type of bus in computer?

 
 
 
 

35. The translated program into machine code is called

 
 
 
 

36. Which is not a type of register?

 
 
 
 

37. Data and programs that are not being use by computer are stored in

 
 
 
 

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

 
 
 
 

39. Which computer memory is used to store programs and data being processed by the CPU?

 
 
 
 

40. ____ registers holds the address of the next instruction to be fetched for memory

 
 
 
 

41. RAM stands for:

 
 
 
 

42. The address of instruction under the processor execution is contained within

 
 
 
 

43. Which register is known as Accumulator?

 
 
 
 

44. Read Temporary storage area within CPU is called

 
 
 
 

45. An identifiable location in memory where data are kept is called:

 
 
 
 

46. ROM is

 
 
 
 

47. The basic unit for data storage is

 
 
 
 

48. Which memory is used to speed up the computer processing?

 
 
 
 

49. How many types of language translator?

 
 
 
 

50. The size of segment register is

 
 
 
 

51. A computer program that converts an entire program into machine language at one time is called:

 
 
 
 

52. CPU includes all of the following components except?

 
 
 
 

53. The process of storing the programs and data in memory is called:

 
 
 
 

54. The process of taking action on the decoded instruction is called

 
 
 
 

55. The temporary storage area within CPU is called:

 
 
 
 

56. CPU includes all of the following components except

 
 
 
 

57. The register that holds the current Instruction is called

 
 
 
 

58. The idea of stored program was given by

 
 
 
 

59. ____registers holds the base location of all executable instructions in the program?

 
 
 
 

60. Which component of CPU decodes and executes the programs instructions?

 
 
 
 

61. A set of parallel electrical lines used to transfer data is called

 
 
 
 

62. A bus that communicates data between CPU and memory is called

 
 
 
 

63. Expansion cards are inserted into: 

 
 
 
 

64. The component of computer that stores data and program while these are being executed is called

 
 
 
 

65. ____registers contains the base location of the current program stack?

 
 
 
 

66. ____  memories can be re-written by using electrical devices?

 
 
 
 

67. ____ registers acts as counter for looping process?

 
 
 
 

68. A port on the computer may be connected to:

 
 
 
 

69. The special programs that are used to convert a source code into object code are called

 
 
 
 

70. The step that performs the actions given in the instructions is called:

 
 
 
 

71. The arithmetic and logic unit performs the following operations 

 
 
 
 

72. CPU is an example of

 
 
 
 

73. CPU consists of the following parts:

 
 
 
 

74. Allow the processor to communicate with peripheral devices.

 
 
 
 

75. Files not being used by computer are stored in

 
 
 
 

76. A program’s syntax errors are detected by:

 
 
 
 

77. Which one is the brain of computer?

 
 
 
 

78. A set of instructions that run the computer are

 
 
 
 

79. The CPU is housed in a single chip called:

 
 
 
 

80. The programming languages that are close to human language are called

 
 
 
 

81. ____  registers holds the address of the next instruction to be fetched for execution

 
 
 
 

82. Cache memory works between:  

 
 
 
 

83. ____ is a type of language translator?

 
 
 
 

84. Memory space in a computer is used to:

 
 
 
 

85. The output of the compiler is called

 
 
 
 

86. A translator is best described a

 
 
 
 

87. ____is non-volatile memory

 
 
 
 

88. ____  is the component of CPU

 
 
 
 

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

 
 
 
 

90. The program that contains instructions to operate a device is called:

 
 
 
 

91. Checking a computer program for errors is called:

 
 
 
 

92. A computer drives its basic strength from

 
 
 
 

93. Which component of a computer decodes and executes program constructions?

 
 
 
 

94. The external devices that are connected to a computer are called

 
 
 
 

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

 
 
 
 

96. ____registers is used for arithmetic and data operations?

 
 
 
 

Short Questions

1. Define ALU.
2. Define CPU.
3. Define CU.
4. Define motherboard?
5. Define Operating System and OS Functions in detail.
6. Define RAM & ROM.
7. Describe Address or Segment CPU Registers.
8. Describe Arithmetic & Logical Instructions.
9. Describe Assembler.
10. Describe Bus Interconnection with Diagram.
11. Describe Commonly Used CPU Registers.
12. Describe Compiler.
13. Describe Control Transfer Instructions.
14. Describe Data Transfer Instructions.
15. Describe Functions of Operating System.
16. Describe General Purpose CPU Registers.
17. Describe I/O Instructions.
18. Describe Instruction Set.
19. Describe Main Memory.
20. Describe Operating System Tasks.
21. Describe OS.
22. Describe Translator or Interpreter.
23. Describe Volatile Memory.
24. Differentiate between Interrupt & DMA, the two ways to transfer data.
25. Differentiate between SRAM and DRAM?
26. Explain Address Bus.
27. Explain Bus Interconnection with diagram and CPU commands.
28. Explain Computer Operations and Instruction Set.
29. Explain Control Bus.
30. Explain CPU Command BUS GRANT.
31. Explain CPU Command I/O READ.
32. Explain CPU Command I/O WRITE.
33. Explain CPU Command MEMORY WRITE.
34. Explain CPU Registers.
35. Explain Data Bus.
36. Explain Fetch-Decode-Execute Cycle in detail with diagram.
37. Explain I/O Unit with Diagram.
38. Explain I/O Unit, Interrupts and DMA in detail.
39. Explain Instruction Format and its three types in detail.
40. Explain Instruction Format with Diagram.
41. Explain ONE-ADDRESS Instruction.
42. Explain RAM, ROM and all their types.
43. Explain THREE-ADDRESS Instruction.
44. Explain Translator, Interpreter, Assembler and Compiler in detail.
45. Explain TWO-ADDRESS Instruction.
46. Explain various types of RAM.
47. Explain various types of ROM.
48. Explain ZERO-ADDRESS Instruction.
49. What are control transfer instructions?
50. What are CPU registers?
51. What are I/O Instructions ?
52. What are the activate of control unit?
53. What is ALU?
54. What is an object code?
55. What is assembler?
56. What is assembly language?
57. What is bus interconnection?
58. What is cache memory?
59. What is data bus?
60. What is DMA ?
61. What is DRAM?
62. What is EPROM?
63. What is instruction set?
64. What is language translator or language processor?
65. What is main memory?
66. What is ROM?
67. Why does DRAM use more power?
68. Why does machine language program execute faster?
69. Why ROM is called non-volatile memory?
70. Write the name of different system buses?

Long Questions

1. What is CPU? Describe briefly.
2. Explain the architecture of computer system.
“3. Differentiate between the following.
(i) PROM and EPROM
(ii) Address Bus and Control Bus
(iii) Serial and Parallel Ports
(iv) Linker and Loader
(v) CU and ALU”
4. Differentiate b/w Compiler and Interpreter. How to transfer data from CPU to memory explains in steps?
5. Define the different types of RAM.
6. Define the general-purpose registers.
7. Describe the Bus and its types.
8. Define the machine Instructions.
9. Differentiate between Fetch instruction and Decode instruction.
10. Differentiate between ROM and RAM.

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