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Digital Computer Electronics

Digital Computer Electronics
Parallel adders are

both of the above
combinational logic circuits
All of these
sequential logic circuits
None of these

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Digital Computer Electronics
What table shows the electrical state of a digital circuit's output for every possible combination of electrical states in the inputs?

Truth table
Routing table
None of these
ASCII table
Function table

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Digital Computer Electronics
A 2's-complement adder-subtracter can add or subtract binary numbers. Sign-magnitude numbers represent _____ decimal numbers, and 2's complements stand for _____ decimal numbers.

negative, positive
positive, negative
hexa, sign
sign, hexa
None of these

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Digital Computer Electronics
A half-adder adds _____ bits

2
16
None of these
10
8

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

None of these
1101102
11000112
11011012
11000102

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Digital Computer Electronics
Address 200H contains the byte 3FH. What is the decimal equivalent of 3FH

None of these
63
38
16
32

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