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Digital Computer Electronics

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

8710
None of these
9010
8510
9910

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Digital Computer Electronics
Conversion of binary number 1100012 to its decimal number is

3910
None of these
2710
4910
5010

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Digital Computer Electronics
A NOR gate has two or more input signals. All input must be _____ to get a high output

high
some low some high
None of these
low
1's

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Digital Computer Electronics
Express -7 as 16-bit signed binary numbers.

0000 0000 0000 0111
0111 0000 0000 0001
0111 0000 0000 0000
1000 0000 0000 0111
None of these

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Digital Computer Electronics
The control and arithmetic-logic sections are called the _____

Block diagram
Input / Output Unit
Control Unit
None of these
Central Processing Unit

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Digital Computer Electronics
The clock signals are used in sequential logic circuits

to carry serial data signals
to synchronize events in various parts of a system
to tell the time of the day
None of these
to tell how much time has elapsed since the system was turned on

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