In Digital electronics (Boolean algebra), the OR operation is performed by which of the given properties

A) Distributive properties B) Commutative properties C) Associative properties D) All of these

The queue is also known as

A) Flash memory B) FILO memory C) Flash memory D) FIFO memory

In three-phase half-wave rectifier, each diode conducts for a duration of( in dgree)

A) 120 B) 90 C) 180 D) 60

The logical sum of two or more than two logical products is termed as

A) OR operation B) POS C) SOP D) NAND operation

CMOS technology used in?

A) Microprocessor B) Inverter C) Digital logic D) Both option a and c

When the PIV rating of a diode is exceeded

A) The diode behaves like a thyristor. B) The diode behaves like a resistor. C) The diode is destroyed. D) The diode behaves like a tunnel diode

The basic building blocks of the arithmetic logic unit in digital computers are known as

A) Adders B) Attenuator C) Demultiplexer D) Subtractors

The number of inputs in a half adder is?

A) 8 B) 2 C) 11 D) 32

Why is a decoder used in digital electronics?

A) To convert non coded information into a binary coded form. B) To convert coded information into a non-coded form. C) It is used to divide address bus and data bus. D) None of these

What is the radix of the octal number system?

A) 2 B) 10 C) 8 D) 16

The two-transistor model of the SCR is obtained by

A) Bisecting the SCRs top two and bottom two layers B) Bisecting the SCRs top two layers C) Bisecting the SCRs bottom two Layers D) Bisecting the SCRs diagonally

What is the main function of the filter in a rectifier circuit?

A) Maximize AC input variations B) To suppress odd harmonics. C) Remove ripples from the rectified output. D) Minimize DC input and AC output variations.

What is the actual meaning of the parallel load of a shift register?

A) All flip-flops are set with data. B) It means a parallel shifting of data. C) All flip-flops are present with data. D) Each flip flop is loaded with data simultaneously

In a 100 kHz clock frequency, 16 bits can be serially entered into a shift register?

A) 150 micro-sec B) 160 micro-sec C) 170 micro-sec D) 180 micro-sec

A series of equal space time pulses may be easily generated by which type of counter circuit?

A) Johnson shift B) Clock shift C) Binary shift D) Ring counter

At which frequency the digital data can be applied to a gate?

A) Run-time frequency B) Propagation Frequency C) Operating frequency D) AC frequency

What are the three output conditions of 3- state buffer?

A) High Impedance, 0, float B) Negative, positive, 0 C) 1, Low Impedance, float D) High, Low, float

In an 8 -bit Johnson counter sequence, how many states orbit patterns are possible?

A) 240 B) 228 C) 232 D) 220

Carrier lifetime for holes and electrons in a semiconductor ranges from –

A) Milliseconds to hundreds of nanoseconds B) Microseconds to seconds C) Nanoseconds to hundreds of microseconds D) Nanoseconds to thousands of milliseconds

Which metal among these is widely used as a recombination agent by semiconductor manufacturers to obtain desired carrier lifetime of charge carriers?

A) Silver B)Gold C) Iron D) Aluminum

The Hall effect is used to determine the

A) Only the carrier concentration of semiconductors B) Current flowing across a semiconductor C) Type of semiconductor and carrier concentration D) None of the above