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Digital Computer Electronics

Digital Computer Electronics
What logic function is obtained by adding an inverter to the inputs of an AND gate?

OR
XOR
None of these
NOR
NAND

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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.

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

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

3
None of these
6
4
8

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Digital Computer Electronics
A microcomputer is a computer that uses a _____ for its CPU.

microprocessor
registers
vacuum tube
None of these
chips

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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

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

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Digital Computer Electronics
Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is

11110110000102
None of these
10110101110102
10010000000102
10001010001012

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