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Digital Electronics

Digital Electronics
Which of the following is known as a mod-2 adder?

 NOR gate
 NAND gate
 X-OR gate
 X-NOR gate

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Digital Electronics
When two n-bit binary numbers are added then the sum will contain at most

 (n + n)-bit
 (n + 2)-bit
 n-bit
 (n + 1)-bit

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Digital Electronics
ASCII and EBCDIC codes are

 error correcting codes
 BCD codes
 alphanumeric codes
 numeric codes

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Digital Electronics
Latches are ________ circuits.

 level triggered
 edge triggered
 count triggered
 pulse triggered

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Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 6, 16
 16, 8
 12, 8
 8, 16

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

CMOS
TTLLS
TTLAS
ECL

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