Digital Electronics - 6 - GATE ECE Engineering (ECE) Circuits Free MCQ

High speed counter

Registers and counters are similar in the sense that they both

2's complement representation of a 16 bit number (one sign bit and 15 magnitude bit) is FFFF. Its magnitude in decimal representation is

Which one of the following is the correct sequence of the numbers represented in the series given below?

A 4 line to 16 line decoder has

Derive the Boolean expression for the logic circuit shown below:

In floating point representation the number of bits in exponent is

Consider the following statements:

1. In the 2's complement representation, negative numbers are stored in sign magnitude form.
2. Taking 2's complement is equivalent to sign change.
3. In a 4 bit complement representation of a binary number A.
4. In the 2's complement representation the most significant bit (MSB) is zero for a positive number.

In 8085 microprocessor, an active low signal INTA is not needed from up service which of the following interrupt request?

Without any addition circuitry, an 8:1 MUX can be used to obtain.

The internal structure of PL A is similar to

Start and stop bit do not contain any information but are used in serial communication for

Which of the following parameters is not specified for digital ICs?

A binary adder has

Program counter in a digital computer

Which are the pending interrupts?

The logical expression Y = A+AB is equivalent to

Fundamental mode is another name for

A quantization error is an essential aspect of ADC

Schmitt trigger is used for wave shaping.

Assertion (A): Decoder is not a combinational circuit.

Reason (R): Every memory element of semi conductor form has a decoder.

A(A + B) =

In 8085 microprocessor, in order to enable RST 5.5, RST 6.5 and RST 7.5 interrupts, which of the following instruction are needed?

A retriggerable one shot is one which

For the K map in the given figure, the simplified expression is