1. Which one is unary gate?
a. NOR b.
XNOR c.
NOT d.
XOR
2. Which binary number is same as 2’s complement of
itself?
a. 1001 b. 0110 c. 1010 d. 1000
3. Which
is/are used to reduce the Boolean expression?
a. Karnaugh
map b.
Boolean algebra laws
c. Boolean
properties d.
All of these
4. What is the Boolean expression of given
logic diagram?
|
a. A⊙B
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 |
|
b. A’B’ + AB
|
|
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c. (A⊕B)’
|
|
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d. All of these
|
5. Race around condition is associated with
a. RS flip flop b. JK flip flop c. MS flip flop d. none of these
6. If X is
any input of flip flop, then the expression Q⊕X is of___________________________ flip flop.
a. Toggle
Flip Flop b. Delay Flip Flop c. MS Flip Flop d. RS Flip flop
7. How many flip flops are needed
to design MOD-27 counter?
a. 5 b. 6 c. 4 d. 3
8. What is/are the difference
between Sequential circuit and combinational circuit?
a.
Feedback in sequential circuit
b.
Only Universal gates are used to design sequential circuit
c.
Sequential circuits are used to design memory.
d.
All of the above
9. How many RAM chips are needed
to design the main memory capacity of 2MB, where one RAM chip is of the size
512 bytes?
a. 12 b. 16 c. 9 d. 11
10. Determine the effective
access time, if the cache access time is 10ns and main memory access time is
110ns?
a. 19ns b. 20ns c. 18ns d. 21ns
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