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Digital Computer Electronics

Digital Computer Electronics
How many bits are required to encode all twenty six letters ten symbols, and ten numerals?

None of these
5
3
6
2

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Digital Computer Electronics
In boolean algebra, the times sign stands for the _____ operation

None of these
OR
AND
NAND
NOR

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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
1111
1110000

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Digital Computer Electronics
Conversion of binary number 1011102 to an octal number is

468
None of these
358
508
568

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Digital Computer Electronics
Which logic family dissipates the minimum power?

TTL
None of these
CMOS
DTL
ECL

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Digital Computer Electronics
The hexadecimal digits are 0 to 9 and A to _____

D
E
None of these
G
F

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