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Digital Computer Electronics

Digital Computer Electronics
How many bits are required to encode all twenty six letters ten symbols, and ten numerals?

6
None of these
3
5
2

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Digital Computer Electronics
The octal equivalent of decimal 324.987 is

None of these
504.771
815.234
90.987
640.781

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Digital Computer Electronics
_____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.

PMOS, CMOS
None of these
NMOS, PMOS
NMOS, CMOS
MOSFET, PMOS

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Digital Computer Electronics
The output of the following gate is 0 only if at least one of the inputs is 1:

OR gate
NOR gate
EX-OR gate
None of these
AND gate

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

None of these
16
64
128
32

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Digital Computer Electronics
Conversion of an octal number 478 to its binary number is

None of these
1100112
1100112
1001112
11110112

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