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Digital Electronics

Digital Electronics
1 Gigabyte is equal to

 1024 Mbytes
 1024 bytes
 1024 kbytes
 1024 bits

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Digital Electronics
If in a base b number system, 54/4=13, the base of the number is

 8
 7
 6
 9

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Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

F52E
F53O
G52F
F53F

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 9
 6
 3
 8

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Digital Electronics
A combinational circuit can be designed using only

 OR gates
 OR and X-NOR gates
 AND gates
 NOR gates

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Digital Electronics
While using a frequency counter for measuring frequency, two modes of measurement are possible. 1. Period time 2. Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4Mhz the crossover frequency is given by

 2 Mhz
 2 Khz
 1 Khz
 8 Mhz

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