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Digital Computer Electronics

Digital Computer Electronics
The OR gate has two or more input signals. If any input is _____ the output is high.

All of these
None of these
high
low

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Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

None of these
1 + A = 1
A + A = A
0 + A = A
1 . x = 1

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Digital Computer Electronics
What is the ASCII code for T?

1011111
1010100
None of these
1011100
1011010

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

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

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Digital Computer Electronics
Semiconductor memory is:

None of these
somewhat slower than magnetic core memory
a volatile memory
All of these
somewhat larger than the magnetic core memory

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Digital Computer Electronics
Cyclic codes are used in

None of these
data transfer
All of these
arithmetic and logical computation
continuously varying signal representation

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