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Free gk questions Online Test - MeritNotes
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No. of Questions :10
Remaining Time :
1. An AND gate schematic “bubbles†on its inputs performs the same function as a(n) ___ gate.
(a)
OR
(b)
NOT
(c)
NOR
(d)
NAND
2. A combinational logic from circuit which is used to send data coming from a single source to two or more separate destinations is called as
(a)
Multiplexer
(b)
Demultiplexer
(c)
Encoder
(d)
Decoder
3. A 2-input NOR gate is equivalent to a
(a)
Negative-OR gate
(b)
Negative-AND gate
(c)
Negative-NAND gate
(d)
Negative-XOR gate
4. The output of a NOT gate is HIGH when
(a)
Voltage is removed from the gate
(b)
The input changes from LOW to HIGH
(c)
The input is HIGH
(d)
The input is LOW
5. An IC contains 50 gates each of which consists of 6 components. It belongs to
(a)
LSI
(b)
MSI
(c)
SSI
(d)
VLSI
6. A decoder converts
(a)
HIGHs to LOWs
(b)
Noncoded information into coded form
(c)
Coded information into noncoded form
(d)
None of these
7. How many inputs of a four –input AND gate must be HIGH in order for the output of the logic gate to go HIGH?
(a)
Any one of the inputs
(b)
Any two of the inputs
(c)
Any three of the inputs
(d)
All four inputs
8. The output of an AND gate is LOW
(a)
When all inputs are HIGH
(b)
When any input is HIGH
(c)
When any input is LOW
(d)
All the time
9. The output of an OR gate is LOW when ____
(a)
All inputs are HIGH
(b)
Any input is HIGH
(c)
Any input is LOW
(d)
All inputs are LOW
10. The generic array logic (GAL) device is
(a)
A CMOS device
(b)
One-time programmable
(c)
Reprogrammable
(d)
None of these