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Digital Computer Electronics

Digital Computer Electronics
The logic 1 in positive logic system is represented by:

lower voltage level
higher voltage level
zero voltage
None of these
negative voltage

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Digital Computer Electronics
How many bytes are there in 1011 1001 0110 1110 numbers?

4
None of these
1
2
8

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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
AND
None of these
NOR
OR

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

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

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Digital Computer Electronics
The 1's compliment of binary number 11010 is:

11101
10
110
None of these
101

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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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