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Digital Computer Electronics

Digital Computer Electronics
Which of the following is a universal gate?

OR
None of these
AND
NAND
EX-OR

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Digital Computer Electronics
Consider as RS flip-flops with both inputs set to 0. If a momentary '1' is applied at the input S, then the output

Q will flip from 0 to 1
Q will flip from 0 to 1
Q will flip from 0 to 1 and then back to 0
None of these
Q will flip from 0 to 1 and then back to 0

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

binary
hexadecimal
None of these
decimal
ASCII

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

NAND
OR
AND
NOR
None of these

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Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

AF
None of these
All of these
8C
9E

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Digital Computer Electronics
The _____ is a sequence of instructions that tells the computer how to process the data.

program
None of these
data
instruction
controls

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