Last updated on:September 3rd, 2018,

Multiple choice Questions Digital Logic Design

Multiple choice Questions Digital Logic Design

1. How many bits must each word have in one-to-four line de-multiplexer to be implemented using a memory?

A. 8 bit
B. 4 bits
C. 2 bits
D. 1 bits

Answer - Click Here:
D

 

2. The total amount of memory is depends upon _________

A. The organization of memory
B. The size of the address bus of the microprocessor
C. The size of decoding unit
D. The structure of memory

Answer - Click Here:
B

 

3. _____________ can be determined the Instability condition.

A. table
B. logic diagram
C. map
D. graph

Answer - Click Here:
B

 

4. If we add an inverter at the output of AND gate , what function is produced?

A. NAND
B. XOR
C. OR
D. NOR

Answer - Click Here:
A

 

5. Which is also known as coincidence detector ?

A. OR gate
B. NOT gate
C. AND gate
D. NAND gate

Answer - Click Here:
C

 

6. Transition table include ________________

A. squares
B. oval
C. rectangles
D. circles

Answer - Click Here:
A

 

7. For every possible combination of logical states in the inputs, which table shows the logical state of a digital circuit output?
A. Function table
B. ASCII table
C. Truth table
D. Routing table

Answer - Click Here:
C

 

8. Stack is an acronym for _______________

A. Flash Memory
B. LIFO memory
C. FIFO memory
D. Bust Flash Memory

Answer - Click Here:
B

 

9. When an Asynchronous sequential circuit changes two or more binary states variables a Condition occurs called ____________

A. Race condition
B. deadlock condition
C. Running condition
D. None of these

Answer - Click Here:
A

 

10. A positive OR gate is also a negative

A. NAND gate
B. OR gate
C. NOR gate
D. AND gate

Answer - Click Here:
D

 

11. Sum of two octal numbers “71” and “36” = __________________
A. 123
B. 127
C. 213
D. 345

Answer - Click Here:
B

 

12. Time delay device is memory element of______________

A. asynchronous circuits
B. synchronous circuits
C. clocked flip-flops
D. Unlocked flip-flops

Answer - Click Here:
A

 

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