CS302P Final Term Solved Quiz 9 Spring 2025 by Introvert

Cs302p quiz 9 solved by introvert

Q1. Reflected Binary Code is also known as _______ code.

1. ASCII
2. BCD
3. Excess-3
4. Gray Code

Q2. Which of the following is an invalid BCD code?

1. 1001
2. 0101
3. 0011
4. 1101

Q3. A decimal counter has ______ states.

1. 7
2. 2
3. 9
4. 10

Q4. In 8x1 multiplexer, which one of the following lines must always be connected to ground in order to activate the mutiplexer?

1. Vcc
2. Y
3. G'
4. W

Correct answer: G'

Q5. How many select lines would be required for an 8x1 multiplexer?

1. 1
2. 3
3. 2
4. 8

Q1. Following diagram is of ______________ code conversion.

img/production/20/09/F1_S.B_Deepak_03.03.2020_D%201.png

A. Gray B. Excess-3 C. ASCII D. BCD

Q2. How many select lines would be required for an 8x1 multiplexer?

1. 1
2. 3
3. 2
4. 8

Q3. An identify comparator is defined as a digital comparator which has ____________

1. Two output terminals
2. Three output terminals
3. No output terminals
4. Only one output terminal

Correct answer: Two output terminals

Q4. Which of the following is an invalid BCD code?

1. 1001
2. 1101
3. 0011
4. 0101

Q5. To create a Johnson Counter by using D-flip flops, how flip flops should be connected together?

1. Q output of previous flip flop should be connected to clock input of second flip flop
2. Q output of previous flip flop should be connected to D input of second flip flop
3. Q' output of previous flip flop should be connected to clock input of second flip flop
4. Q' output of previous flip flop should be connected to D input of second flip flop