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Digital Computer Electronics

Digital Computer Electronics
An AND gate has 7 inputs. How many input word are in its truth table?

None of these
64
32
16
128

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Digital Computer Electronics
Resistor Ratio design is used in linear ICs because

Ratios increase amplifier gain
All of these
Ratios increase input resistance
None of these
Precise resistor values are not possible with IC processes

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Digital Computer Electronics
Multiplication of 478 by 528 is

(3144)8
(3146)8
(3184)8
None of these
(4147)8

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Digital Computer Electronics
The ASCII code is a 7-bit code for

letters
All of these
numbers
None of these
other symbols

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Digital Computer Electronics
What does 4k represent?

4096
400
4000
None of these
40

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Digital Computer Electronics
The main advantage of hexadecimal numbers is the case of conversion from hexadecimal to _____ and vice versa.

ASCE
binary
decimal
BCD
None of these

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