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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 738 to binary number is

1111002
1101112
1100102
1110112
None of these

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

5
2
3
None of these
6

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Digital Computer Electronics
Small-scale integration, abbreviated _____ refers to fewer than 12 gates on the same chip. Medium-scale integration (MSI) means 12 to 100 gates per chip. And large-scale integration (LSI) refers to more than _____ gates per chip.

SSI, 100
SSI, 1000
None of these
SSI, 75
SSI, 10000

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

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

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Digital Computer Electronics
Conversion of binary number 1000112 to an octal number is

438
508
478
498
None of these

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Digital Computer Electronics
What logic function is obtained by adding an inverter to the inputs of an AND gate?

None of these
OR
NAND
NOR
XOR

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