UGC NET · PAPER 2
UGC NET Paper 2 Computer Science – Unit 2: Computer System Architecture PYQ (December 2024)
Q9. Consider a pipeline unit for fixed-point multiplication of 8-bit integers. Arrange the following stages in the correct sequence.
Stage A: Consists of two CSAs and it merges four numbers from the previous stage.
Stage B: Is a CPA, which adds up the two numbers.
Stage C: Is made up of two levels of four CSAs.
Stage D: Generates eight partial products.
Choose the correct answer from the options given below:
Stage A: Consists of two CSAs and it merges four numbers from the previous stage.
Stage B: Is a CPA, which adds up the two numbers.
Stage C: Is made up of two levels of four CSAs.
Stage D: Generates eight partial products.
Choose the correct answer from the options given below:
- C, A, B, D
- D, C, A, B
- B, D, C, A
- A, C, D, B
Q12. Which are often needed to evaluate the cache performance?
- Hit Ratio
- Latency
- Cache Traces
- Transfer Rate
Q18. Arrange the following in increasing order with respect to access time.
A. Solid State Drive
B. Optical Disks
C. DRAMs
D. SRAMs
E. Registers
Choose the correct answer from the options given below:
A. Solid State Drive
B. Optical Disks
C. DRAMs
D. SRAMs
E. Registers
Choose the correct answer from the options given below:
- D, C, A, B, E
- B, D, C, A, E
- A, E, B, D, C
- E, D, C, A, B
Q20. Which of the following is the simplified form of the function f(A, B, C) = Σm(0, 1, 3, 7)?
- A′B′C′ + A′B′C + A′BC + ABC
- A′B′ + A′BC + ABC
- A′B′ + BC
- A′B′ + BC′
Q24. Which table for a dynamic pipeline becomes more interesting when a nonlinear pattern is followed?
- Reservation Table
- Confusion Table
- Inverted Table
- Greedy Table
Q38. Arrange the instruction cycle in the correct order:
A. Read the effective address
B. Fetch the instruction
C. Execute the instruction
D. Decode the instruction
Choose the correct answer from the options given below:
A. Read the effective address
B. Fetch the instruction
C. Execute the instruction
D. Decode the instruction
Choose the correct answer from the options given below:
- A, B, C, D
- B, D, A, C
- B, A, D, C
- A, B, D, C
Q59. Which of the following is the complement of the Boolean function A′B + CD′ + A′B + CD′?
- A′B + CD′
- (A′ + B)(C + D′)
- (A + B′)(C′ + D)
- AB′ + CD′
Q60. Which of the following is the correct sequence with regard to the interrupt service routine?
A. Save contents of processor registers
B. Turn the interrupt facility on
C. Service the device whose flag is set
D. Check which flag is set
E. Restore contents of processor registers
Choose the correct answer from the options given below:
A. Save contents of processor registers
B. Turn the interrupt facility on
C. Service the device whose flag is set
D. Check which flag is set
E. Restore contents of processor registers
Choose the correct answer from the options given below:
- A, B, C, D, E
- D, B, C, A, E
- D, C, B, E, A
- A, D, C, E, B
Q79. Match List I (Boolean Algebra Law) with List II (Axioms)
| List I | List II |
|---|---|
| A. Absorption Law | I. a + 1 = 1 |
| B. Bounded Law | II. a + 0 = a |
| C. Identity Law | III. a·(b + c) = (a·b) + (a·c) |
| D. Distributive Law | IV. a + (a·b) = a |
- A-IV, B-I, C-II, D-III
- A-IV, B-III, C-I, D-II
- A-III, B-IV, C-II, D-I
- A-II, B-III, C-IV, D-I
Q82. Match List I with List II
| List I | List II |
|---|---|
| A. (100110011)₂ | I. Error detection code |
| B. Complements | II. CISC |
| C. Parity Bits | III. Negative number |
| D. Variable length instruction | IV. (133)₁₆ |
- A-IV, B-I, C-III, D-II
- A-IV, B-III, C-I, D-II
- A-IV, B-II, C-III, D-I
- A-I, B-IV, C-II, D-III
Q83. Which of the following are NOT data manipulation instructions?
A. Call
B. Load
C. And
D. Increment
E. Shift
Choose the correct answer from the options given below:
A. Call
B. Load
C. And
D. Increment
E. Shift
Choose the correct answer from the options given below:
- C & E only
- A & B only
- D & E only
- A & C only
Q84. In the basic computer instruction format [I | opcode | address], which of the following do NOT represent memory-reference instructions?
A. mode = 1, opcode = 010
B. mode = 0, opcode = 111
C. mode = 1, opcode = 111
D. mode = 1, opcode = 110
E. mode = 1, opcode = 001
Choose the correct answer from the options given below:
A. mode = 1, opcode = 010
B. mode = 0, opcode = 111
C. mode = 1, opcode = 111
D. mode = 1, opcode = 110
E. mode = 1, opcode = 001
Choose the correct answer from the options given below:
- B & C only
- B & D only
- A & D only
- A & E only