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Digital Computer Electronics

Digital Computer Electronics
For an input pulse train of clock period T, the delay produced by an n stage shift register is

(n+l)T
(n-l)T
None of these
2nT
nT

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

decimal
binary
hexadecimal
ASCII
None of these

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Digital Computer Electronics
An OR gate has 6 inputs. What is the only input word that produces a 0 output?

None of these
111000
111
111111

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Digital Computer Electronics
Conversion of an octal number 1128 to hexadecimal number is

4A16
1516
2016
None of these
5A16

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Digital Computer Electronics
A shift register moves the _____ left or right. Serial loading means storing a word in a shift register by entering _____ bit per clock pulse. With parallel or broadside loading, it takes only one _____ pulse to load the input word.

light, eight, clock
None of these
right, eight, clock
bits, one, register
bits, one, clock

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Digital Computer Electronics
A NAND gate is equivalent to an AND gate followed by an inverter. All inputs must be _____ to get a low output

high
some low and some high
low
None of these
0's

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