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Digital Computer Electronics

Digital Computer Electronics
The _____ is a sequence of instructions that tells the computer how to process the data.

data
None of these
program
instruction
controls

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Digital Computer Electronics
The Gray code for decimal 7 is

111
100
101
None of these
1011

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Digital Computer Electronics
The logic 1 in positive logic system is represented by:

negative voltage
None of these
zero voltage
higher voltage level
lower voltage level

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

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

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Digital Computer Electronics
How many bytes are there in 1011 1001 0110 1110 numbers?

None of these
2
8
4
1

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Digital Computer Electronics
A full-adder adds _____ bits, and producing a SUM and a _____

3, CARRY
16, DIVIDE
None of these
8, SUBTRACTION
All of these

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