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Digital Computer Electronics

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

TTL
None of these
GaAS
CMOS
NMOS

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

6316
5016
6016
5716
None of these

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Digital Computer Electronics
When the LOAD input of a buffer register is active, the input word is stored on the next positive _____ edge.

register
pulse
transistor
None of these
clock

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

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

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

race
set
low
None of these
high

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Digital Computer Electronics
A positive AND gate is also a negative

AND gate
NAND gate
None of these
OR gate
NOR gate

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