Explore topic-wise MCQs in Engineering.

Once a DIAC is conducting, the only way to turn it off is with:

Which is the TRIAC?

The DIAC is a:

What type of application would use an injection laser diode?

The serial-in, parallel-out shift register transfers data from one parallel data bus to another parallel data bus one bit at a time across a single line.

A serial-in, serial-out shift register transfers data from one line of a parallel bus to another line one bit at a time.

"Half-splitting" is

If doubling the voltage across a resistor doubles the current through the resistor then

Power supplies are regulated to prevent the output voltage from changing due to changes in the

What is the power in the given circuit?

If current through a resistance is halved

Ohm's law is a relationship between

Ohm's law describes the mathematical relationship between

Energy is defined as the ability to

What electromotive force would cause 20 A of current to flow through a 500 resistor?

The rate at which work is performed is called

A damaged resistor

Power supplies differ from batteries in that

If voltage across a resistance doubles

A multiplexed display circuit uses a technique called time division modulation.

An asynchronous decade counter increases its value by ten for each clock pulse.

A parallel-in, serial-out shift register enters all data bits simultaneously and transfers them out one bit at a time.

The modulus (mod) of a counter is the same as its maximum count (N).

A battery's capacity to deliver power is measured in

What is the power in the given circuit?

What is the kilowatt-hour consumption of a 40 W lamp if it remains on for 1750 h?

If the voltage in the given circuit was cut in half, what would the current equal?

To operate correctly, starting a ring counter requires __________.

A sequence of equally spaced timing pulses may be easily generated by a(n) __________.

Counters are common components in digital clocks.

In an asynchronous counter, each state is clocked by the same pulse.

If the resistance in a circuit with constant voltage increases, the current will

What is the power in the given circuit?

When two counters are cascaded, the overall mod number is equal to the __________ of their individual mod numbers.

Ring and johnson counters are _______.

A _________ shift register can shift stored data either left or right.

How many bits are used in the address bus?

How many buses are connected as part of the 8085 microprocessor?

Exceptions to the 8085 microprocessor normal operation are called:

The technique of assigning a memory address to each I/O device in the SAM system is called:

A port can be:

Synchronous construction reduces the delay time of a counter to the delay of __________.

A 4-bit PISO shift register that receives 4 bits of parallel data will shift to the ________ by ________ position(s) for each clock pulse.

The only way to close an SCR is with:

What is an SCR?

What type of application would use a photovoltaic cell?

Which is the seven-segment display?

The time needed for a pulse to increase from 10% to 90% of its amplitude defines:

Which device would best aid in shorted track detection?

The use of a multimeter with digital circuits allows the measurement of:

A 4-bit PISO shift register that receives 4 bits of parallel data will shift to the by position(s) for each clock pulse.