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Digital Computer Electronics

Digital Computer Electronics
The hexadecimal number system is widely used in analyzing and programming ______

None of these
microprocessors
registers
vacuum tube
chips

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Digital Computer Electronics
Convert the 1000 0000 0000 1111 signed binary number to decimal number.

-30
-15
None of these
30
15

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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
None of these
Function table
ASCII table
Routing table

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

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

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

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

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Digital Computer Electronics
The maximum number of TTL loads that a TTL device can drive reliably over the specified temperature range is

bipolar
None of these
fanout
universal logic circuit
chip

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