List of practice Questions

The following circuit works like a
The SRAM from a memory-read perspective, is indeed a combinational circuit because
The BCD code of decimal number 255 is
Using 8-bit numbers, find the 2's complement of -128.
The following circuit is equivalent of
Modulo-2 adder (without carry-out) works like
The logical equation of tri-state buffer is \[ (E=\text{enable},\;Z=\text{high impedance}) \]
The collector of the leading transistor connected to the emitter of the following transistor configuration is called
\(A_I\) in the given circuit is
The maximum efficiency of a class A series-fed amplifier is
The required current gain in a transistor phase-shift oscillator is
A dc voltage supply provides \(60V\) when the output is unloaded. When connected to a load, the output drops to \(56V\). Determine the value of voltage regulation.
If an amplifier with gain of \(-1000\) and feedback of \[ \beta=-0.1 \] has a gain change of \(20%\) due to temperature, calculate the change in gain of the feedback amplifier.
The non-inverting amplifier circuit behaves very similar to the voltage follower circuit except that
Class AB operation is often used in power amplifiers in order to
Calculate the circuit output resistance in the common drain amplifier with \[ r_d=100~k\Omega,\qquad g_m=990~\mu S \] and \[ R_L=10~k\Omega. \]
Under steady-state conditions, the clamping theorem states that
The correct option with respect to IC 723 general purpose regulator is
In IC 555 timer, three \(5k\Omega\) internal resistors act as voltage divider, which provides bias voltage to the upper comparator and to the lower comparator in the order of (in \(V_{CC}\)).
In discrete transistors the substrate is normally used as
Which of the following is correct with reference to the given diode limiter circuit?
In Emitter current bias, if \[ R_1||R_2 \] is very much larger than \[ R_E, \] then the circuit performance becomes like
Match the following:
For enhancement MOSFET, the gate-source voltage must have
The incorrect statement with respect to thin-film integrated circuits is