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Digital Computer Electronics

Digital Computer Electronics
The output 0 and 1 levels for TTL logic family is approximately

0.6 and 3.5 V
-1.75 and -0.9 V
0.9 and 1.75V
None of these
0.1 and 5 V

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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.

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

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Digital Computer Electronics
A microprocessor has memory locations from 0000 to 3FFF. Each memory location stores 1 byte. How bytes can the memory store? Express this in kilobytes?

32,740, 32K
46,040, 46K
None of these
16,384, 16K
4,095, 4K

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

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

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Digital Computer Electronics
De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.

XOR
AND
None of these
XAND
NOR

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Digital Computer Electronics
Conversion of an octal number 1428 to binary number is

11000112
11000102
1101102
11011012
None of these

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