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Digital Computer Electronics

Digital Computer Electronics
Which of the following TTL subfamily is the fastest

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

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

None of these
1111111
1110000
1111

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Digital Computer Electronics
A half-adder adds _____ bits

None of these
16
8
10
2

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Digital Computer Electronics
Conversion of a octal number 638 to its decimal number is

6110
5110
5310
5710
None of these

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Digital Computer Electronics
Binary-Coded-decimal (BCD) numbers express each digit as a _____

bit
byte
None of these
All of these
nibble

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Digital Computer Electronics
In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.

None of these
AND
NOR
OR
NAND

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