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Digital Computer Electronics

Digital Computer Electronics
A logic circuit which is used to change a BCD number into an equivalent decimal number is

code converter
multiplexer
encoder
None of these
decoder

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Digital Computer Electronics
The number of binary bits required to represent a hexadecimal digit is

3
6
None of these
8
4

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Digital Computer Electronics
In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.

NOR
OR
None of these
AND
NAND

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

11110112
1100112
1001112
None of these
1100112

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Digital Computer Electronics
A typical microcomputer may have up to 65,536 registers in its memory. Each of these registers, usually called a _____

registers
None of these
address
chip
memory location

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Digital Computer Electronics
Conversion of decimal number 2810 to it's octal number equivalent is

None of these
408
348
328
368

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