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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 1258 to its decimal number is

9910
8710
9010
8510
None of these

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Digital Computer Electronics
In which of the following adder circuits, the carry look ripple delay is eliminated?

Full adder
Parallel adder
Carry-look-ahead adder
Half adder
None of these

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

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Digital Computer Electronics
Conversion of binary number 1011102 to an octal number is

358
468
568
None of these
508

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Digital Computer Electronics
The memory cell of a dynamic RAM is simpler and smaller than the memory cell of a _____ RAM.

None of these
static
bipolar
volatile
semiconductor

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Digital Computer Electronics
If a microcomputer has a 64K memory, what are the hexadecimal notations for the first and last memory location?

0000, EEEE
None of these
0, 64
0000, 9999
0000, FFFF

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