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Digital Computer Electronics

Digital Computer Electronics
Which of the following logic families use bipolar transistors?

TTL
GaAS
CMOS
None of these
NMOS

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Digital Computer Electronics
The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.

AND
XOR
OR
None of these
NAND

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

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

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Digital Computer Electronics
Conversion of an octal number 1438 to hexadecimal number is

5716
6316
6016
None of these
5016

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Digital Computer Electronics
With positive clocking the clock signal must be _____ for the flip-flop to respond.

set
None of these
race
high
low

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Digital Computer Electronics
The 2's compliment of binary number 0.01011 is:

0.10101
1.101
None of these
0.101
1.10101

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