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Digital Computer Electronics

Digital Computer Electronics
Conversion of binary number 10100002 to an octal number is

None of these
1118
1198
1018
1208

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Digital Computer Electronics
The memory cell of a dynamic RAM is simpler and smaller than the memory cell of a _____ RAM.

volatile
None of these
semiconductor
bipolar
static

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Digital Computer Electronics
The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

None of these
binary level transition period
propagation delay
rise time
decay time

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Digital Computer Electronics
How many memory locations can 14 address bits access?

4096
14
16384
8192
None of these

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Digital Computer Electronics
A 2's-complement adder-subtracter can add or subtract binary numbers. Sign-magnitude numbers represent _____ decimal numbers, and 2's complements stand for _____ decimal numbers.

sign, hexa
None of these
hexa, sign
negative, positive
positive, negative

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Digital Computer Electronics
The reduced form of the Boolean expression (A+B)(A+C) is:

AC+B
A+BC
A+B+C
None of these
AB+AC

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