Previous Year Questions

Q21 MCQ CUET-PG COMPUTER SCIENCE (MCA) Easy 4 Marks 2025

Computer Organization & Architecture → Logic gates

The following circuit generates the same output as? [Image: Circuit with inputs A and B. Top AND gate takes NOT A and B. Bottom AND gate takes A and NOT B. Both feed into an OR gate.]

Choose One:

A) XOR GATE

B) XNOR GATE

C) NAND GATE

D) NOR GATE

Q22 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2025

Computer Organization & Architecture → Combinational circuits

Consider the following statements. (A) Combinational logic circuits do not have memory, while sequential logic circuits have memory elements. (B) Sequential logic circuits depend only on the current inputs, while combinational logic circuits depend on both current and past inputs. (C) Flip-flops and latches are examples of combinational logic circuits. (D) Multiplexer is an example of combinational logic circuit.

Choose One:

A) (A) and (D) only

B) (A), (B) and (D) only

C) (A), (B), (C) and (D)

D) (B), (C) and (D) only

Q23 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2025

Computer Organization & Architecture → Combinational circuits

Arrange the following steps in the correct order to understand the functioning of a 3 to 8 line decoder. (A) The encoder enable input is set to 1. (B) The decoder activates one of its 8 output lines based on the input code. (C) The input binary code is applied to the decoder. (D) The decoder converts the 3-bit binary input into 8 possible outputs.

Choose One:

A) (A), (B), (C), (D)

B) (A), (D), (C), (B)

C) (A), (C), (D), (B)

D) (A), (B), (D), (C)

Q24 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2025

Computer Organization & Architecture → Combinational circuits

Minimum number of 2:1 Multiplexers required to design a 16:1 Multiplexer is?

Choose One:

A) 12

B) 14

C) 15

D) 16

Q25 MCQ CUET-PG COMPUTER SCIENCE (MCA) Easy 4 Marks 2025

Computer Organization & Architecture → Sequential circuits

Match List-I with List-II for JK Flip Flop: (A) 00 (B) 01 (C) 10 (D) 11 with Next State: (I) Toggle (II) Set (III) Reset (IV) No Change.

Choose One:

A) (A)-(I), (B)-(II), (C)-(III), (D)-(IV)

B) (A)-(IV), (B)-(III), (C)-(II), (D)-(I)

C) (A)-(IV), (B)-(III), (C)-(I), (D)-(II)

D) (A)-(I), (B)-(II), (C)-(IV), (D)-(III)

PYQBOOK

Filter Questions

The following circuit generates the same output as? [Image: Circuit with inputs A and B. Top AND gate takes NOT A and B. Bottom AND gate takes A and NOT B. Both feed into an OR gate.]

Choose One:

Choose One:

Choose One:

Minimum number of 2:1 Multiplexers required to design a 16:1 Multiplexer is?

Choose One:

Match List-I with List-II for JK Flip Flop: (A) 00 (B) 01 (C) 10 (D) 11 with Next State: (I) Toggle (II) Set (III) Reset (IV) No Change.

Choose One: