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Digital Computer Electronics

Digital Computer Electronics
An AND gate has 7 inputs, what is the only input word that produces a 1 output?

1111
1111111
1110000
None of these

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Digital Computer Electronics
A half-adder adds _____ bits

2
16
8
None of these
10

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

10710
9010
None of these
9910
97110

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Digital Computer Electronics
Which gates is known as universal gate?

NAND gate
AND gate
XOR gate
None of these
NOT gate

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Digital Computer Electronics
Which TTL sub-family has maximum speed?

standard TTL
high speed TTL
None of these
schottky-clamped TTL
low power TTL

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Digital Computer Electronics
BCD numbers are useful whenever _____ information is transferred into or out of a digital system.

None of these
decimal
binary
hexadecimal
ASCII

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