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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

111
101
1011
None of these
100

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Digital Computer Electronics
Conversion of an octal number 1348 to a binary number is

1100112
None of these
10111002
11011002
10110112

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Digital Computer Electronics
Which function positive logic is equivalent to OR function in negative logic?

None of these
NOT
OR
AND
NOR

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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 _____

address
None of these
registers
chip
memory location

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

4
8
None of these
3
6

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Digital Computer Electronics
The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____

character, low
None of these
bytes, low
bytes, high
words, high

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