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Digital Electronics

Digital Electronics
How many bits are required to store one BCD digit ?

 3
 1
 4
 2

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Digital Electronics
Dual slope ADC has R = 1 KΩ and C = 0.22 nanofarad has charging and discharge times for some voltage is 9 ns and 3 ns respectively. The reference Voltage is 2.2 V. What is the peak voltage reached by triangular wave during charging?

 90 mV.
 30 mV.
 300 mV.
 900 mV.

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Digital Electronics
In digital systems, 1 byte is equal to ________ bit(s).

 1
 4
 8
 2

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 OR
 X-NOR
 NAND
 AND

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 CMOS ICs
 ECL ICs
 TTL ICs
 MOS ICs

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Digital Electronics
The only function of NOT gate is to ___________.

Stop signal
Act as a universal gate
None of these
Invert input signal

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