Previous Year Questions

Q261 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2023 Shift-1

Computer Organization & Architecture → Boolean algebra

If XOR and XNOR denote the exclusive OR and exclusive NOR operations respectively, then which one of the following is not correct?

Choose One:

A) (P XOR Q)' = P XNOR Q

B) P' XOR Q = P XNOR Q

C) P' XOR Q' = P XOR Q

D) (P XOR P') XOR Q = (P XNOR P') XNOR Q'

Q262 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2023 Shift-1

Computer Organization & Architecture → CPU organization

Consider the expression (a-1) * (((b+c)/3)+d). Let x be the minimum number of registers required by an optimal code generation (without any register spill) algorithm for a load/store architecture, in which (i) Only load and store instructions can have memory operands and (ii) Arithmetic instructions can have only register or immediate operands. The value of x is

Choose One:

A) 2

B) 4

C) 1

D) 3

Q263 MCQ CUET-PG COMPUTER SCIENCE (MCA) Hard 4 Marks 2023 Shift-1

Computer Organization & Architecture → Memory hierarchy

A 32 bit wide main memory with a capacity of 1 GB is built using 256 m x 4 bits DRAM chips. The number of rows memory cells in the DRAM chip is 2^14. The time taken to perform one refresh operation is 50 nanoseconds. The refresh period is 2 milli seconds. The percentage (rounded to the closest integer) of the time available for performing the memory read/write operations in the main memory unit is

Choose One:

A) 56

B) 59

C) 54

D) 61

Q264 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2023 Shift-1

Computer Organization & Architecture → Memory hierarchy

A RAM chip has a capacity of 1024 words of 8 bits each (1k x 8). The number of 2x4 decoders with enable line needed to construct a 16k x 16 RAM from 1k x 8 RAM is

Choose One:

A) 5

B) 4

C) 7

D) 6

Q265 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2023 Shift-1

Discrete Mathematics → Sets and relations

If A, B and C are any three sets, then A. A - (B \cap C) = (A \cap B) - (A \cap C) B. A - (B \cup C) = (A - B) \cap (A - C) C. n(A - B) = n(A) - n(A \cap B) D. A \cap (B - C) = (A \cap B) \cap (A - C). Choose the most appropriate answer from the options given below:

Choose One:

A) A, B, C only

B) B, C, D only

C) C, D only

D) B, C only

PYQBOOK

Filter Questions

If XOR and XNOR denote the exclusive OR and exclusive NOR operations respectively, then which one of the following is not correct?

Choose One:

Choose One:

Choose One:

A RAM chip has a capacity of 1024 words of 8 bits each (1k x 8). The number of 2x4 decoders with enable line needed to construct a 16k x 16 RAM from 1k x 8 RAM is

Choose One:

If A, B and C are any three sets, then A. A - (B \cap C) = (A \cap B) - (A \cap C) B. A - (B \cup C) = (A - B) \cap (A - C) C. n(A - B) = n(A) - n(A \cap B) D. A \cap (B - C) = (A \cap B) \cap (A - C). Choose the most appropriate answer from the options given below:

Choose One: