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Digital Computer Electronics

Digital Computer Electronics
An AND gate has 7 inputs. How many input word are in its truth table?

16
128
None of these
32
64

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Digital Computer Electronics
Which gates is known as universal gate?

NOT gate
AND gate
NAND gate
XOR gate
None of these

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Digital Computer Electronics
A typical microcomputer may have up to 65,536 registers in its memory. Each of these registers, usually called a _____

memory location
address
None of these
registers
chip

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Digital Computer Electronics
A demultiplexer is also known as

encoder
multiplexer
data selector
None of these
data distributor

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Digital Computer Electronics
A half-adder adds _____ bits

10
16
None of these
8
2

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Digital Computer Electronics
For an input pulse train of clock period T, the delay produced by an n stage shift register is

2nT
None of these
(n+l)T
(n-l)T
nT

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