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Digital Electronics

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

 1
 2
 8
 4

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Digital Electronics
The following code is not a BCD code.

 XS-3 code
 8421 code
 all of these
 Gray code

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Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 32 × 8
 16 × 16
 64 × 4
 256 × 1

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Digital Electronics
The devices commonly used for making digital circuits are

 mechanical switches
 semiconductor devices
 relays
 contact switches

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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?

 30 mV.
 300 mV.
 90 mV.
 900 mV.

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Digital Electronics
Which logic family provide minimum power dissipation

 ECL
 TTL
 JFET
 CMOS

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MORE MCQ ON Digital Electronics

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