Velagapudi Ramakrishna Siddhartha School of Engineering
DEPARTMENT OF INFORMATION TECHNOLOGY
24IT203: Computer Organization and Architecture
A.Y. 2025-26
QUESTION BANK FOR CLASS TEST-1/2
S.No
Question
Marks
What is Boolean Algebra?
Define i) Flip Flop ii) Gate
What is a register?
Write the excitation table of JK Flip Flop.
Simplify using Boolean algebra
a
i)
𝐴′ 𝐵𝐶 + 𝐴𝐶
ii)
𝐴′ 𝐵 + 𝐴𝐵𝐶 ′ + 𝐴𝐵𝐶
Differentiate between combinational and sequential
b
circuit.
Design a Full Adder Circuit.
a
b
a
b
1
2
3
4
5
6
7
8
9
10
11
Explain JK Flip Flop with neat circuit diagram, block
diagram and characteristic table.
What is multiplexer and design a 4 to 1 line
multiplexer.
Construct 3 X 8 Decoder using two 2 X 4 decoders.
Design a 4 bit sequence counter with neat block
diagram.
Design a bidirectional shift register with parallel
load.
Apply KMap method to simplify the Boolean
expression in Sum Of Products and Product Of Sums
form
\𝐹(𝐴, 𝐵, 𝐵, 𝐷) = ∑(0,2,4,5,6,7,8,10,13,15)
Design a 2 bit count down counter. This is a
sequential circuit with two flip flops and one input x.
When x=0, the state of the flip flops does not change.
When x=1, the state sequence is 11, 10, 01, 00, 11
and repeat
Course Coordinator
Module Coordinator
Course
Outcome
BTL
1
1
1
1
K2
K1
K1
K2
1
K2
1
K2
2
K2
2
K2
2
K3
2
K3
2
K3
4
K2
4
K3
4
K3
Program Coordinator
Head of the Department