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Digital Electronics

Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 unstable state
 inverter
 trigger
 tri-state

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Digital Electronics
An EPROM

 is of random-access type
All of these
 is non volatile
 is programmable

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Digital Electronics
The simplified block diagram of a 10-bit A/D converter of dual slope integrator type is shown in figure. The 10-bit counter at the output is clocked by a 1 Mhz clock. Assuming negligible timing overhead for the control logic, the maximum frequency of the analog signal that can be converted using this A/D converted is approximately .

 250 Hz.
 2 KHz.
 500 Hz.
  1 KHz.

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

 ECL ICs
 MOS ICs
 CMOS ICs
 TTL ICs

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Digital Electronics
Why generic array logic (GAL) device was invented ?

None of these
 One-time programmable
 Reprogrammable
 Mask programmable

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Digital Electronics
The Quine– McClusky method of minimization of a logic expression is a (i) graphical method (ii) algebraic method (iii) tabular method (iv) a computer-oriented algorithm The correct answers are

 (iii) and (iv)
 (ii) and (iv)
 (i) and (ii)
 (i) and (iii)

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