Digital Electronics Objective Questions – Set 5

A 10 bit A/D conveter is used to digitize an analog signal in the 0 to 6 volt. The maximum peak to ripple voltage that can be allowed in the D.C. supply voltage is

How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

What is the difference between xor gate and exor gate.

A switch-tail ring counter is made by using a single D-FF, the following circuit is

Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

The number of comparators in a parallel conversion type 8-bit analog to digital converter is

What will be Excess - 3 code for decimal ( 584 )?

06) One bit full adder has ________ inputs

Excess 3 code is known as

Fastest memory element is

1�s complement of 17 is

Counter is a

The fast logic family is

In flip flop clock is present but in latch clock is

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

Slowest memory element is

In the toggle mode a JK flip-flop has

If clock time period is 1ms, what is its frequency

The 2s complement of 17 is

The set of which logic gates is designated as universal gate?

The resolution of a 12 bit analog to digital converter in percent in

Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

If a counter having 10 flip flops is initially at 0, What count will if hold after 2060 pulses?

A digital voltmeter has a read out range from 0 to 999 counts, the resolution is

A flip flop is a _______ circuit.

What is mean by FPU

The effect of stray magnetic field on the acyuating torque of a portable instrument is maximum when the operating field of the instrument and the stray fields are

Which of these sets of logic gates are designated as universal gates?

One bit full adder has ________ inputs

Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder