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Digital Computer Electronics

Digital Computer Electronics
A gate is a logic circuit with one or more input signals but _____ output signal.

double
one
two
more than one
None of these

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Digital Computer Electronics
What is the 2's-complement representation of -24 in a 16-bit microcomputer?

0001 0001 1111 0011
1111 1111 1110 0111
0000 0000 0001 1000
None of these
1111 1111 1110 1000

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Digital Computer Electronics
A shift register can be used for:

parallel to serial conversion
All of these
serial to parallel conversion
digital delay line
None of these

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Digital Computer Electronics
The functional capacity of SSI devices is

more than 10,000 gates
1 to 11 gates
None of these
100 to 10,000 gates
12 to 99 gates

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Digital Computer Electronics
De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.

NOR
XOR
XAND
AND
None of these

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Digital Computer Electronics
The number of binary bits required to represent a hexadecimal digit is

4
3
6
8
None of these

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