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Digital Computer Electronics

Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

excess 3 code
None of these
8421 code
algebraic code
gray code

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Digital Computer Electronics
The _____ is ultraviolet-light-erasable and electrically programmable. This allows the user to erase and store until programs and data are perfected.

RAM
EPROM
ROM
None of these
PROM

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Digital Computer Electronics
_____ is the fastest logic family; it's used in high-speed applications.

TTL
MOS
None of these
DTL
ECL

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

3
2
6
5
None of these

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Digital Computer Electronics
Conversion of an octal number 1258 to its decimal number is

9910
8710
9010
8510
None of these

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Digital Computer Electronics
De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate.

AND
None of these
XAND
XOR
OR

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