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Digital Computer Electronics

Digital Computer Electronics
How many full adders are required to construct an m- bit parallel adder?

None of these
m
m-1
m/2
m+1

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Digital Computer Electronics
Computer ICs work reliably because they are based on _____ design.

Two-stage
Two-states
Top-bottom
None of these
System

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Digital Computer Electronics
The 2's compliment of binary number 010111.1100 is

None of these
101001.11
101000.0011
101000.01
10111.0011

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Digital Computer Electronics
Conversion of an octal number 1438 to its decimal number is

None of these
97110
10710
9910
9010

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Digital Computer Electronics
Conversion of an octal number 1068 to binary number is

11100102
100001102
None of these
10001102
11001102

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Digital Computer Electronics
An odd-parity generator produces an odd-parity bit to go along with the data. The parity of the transmitted data is _____ An XOR gate can test each received word for parity rejecting words with _____ parity.

low, high
None of these
even, odd
high, low
odd, even

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