Explore topic-wise MCQs in Engineering.

The MSB of 11001 is ________.

________ symbols are needed to represent all digits in hexadecimal.

Each hexadecimal digit converts to ________ binary digits.

Decimal 2875 is ________ bytes in binary.

Binary-coded-decimal 0111 1001 0011 is ________ in binary.

Decimal 42 is equivalent to binary ________.

The decimal number 128 is represented in the signed 2's complement system as ________.

A typical CD-ROM can store ________ of digital data.

Hexadecimal 44 is ________ in binary.

Resistors usually 300 apiece inserted between a decoder and a 7-segment display are ________.

Decimal 37 is ________ in binary with an even parity bit.

Adding a zero to the leftmost bit of an ASCII code is called ________.

The largest BCD number that can be represented with four binary bits is ________.

The two digits in the binary number system are ___ and ___.

The decimal fraction 1/4 can be written in binary as________.

An unweighted code in which only one bit changes from one code number to the next is ________.

Decimal 474 is ________ in BCD.

Hexadecimal F2 is ________ in binary.

An ADC is an analog-to-digital converter.

Memory devices store binary data.

A graph of phase vs. time is a timing diagram.

The arithmetic/logic unit will send the results of its decisions to memory.

Digital systems require that voltage levels change between high and low.

It is possible to have an overlap between high and low levels in digital logic.

X-ray, MRI, and ultrasound systems in hospitals are examples of analog systems.

With an OR gate, the output is HIGH only when both inputs are HIGH.

A microcomputer is not a general-purpose computer.

An invalid digital signal is used as a zero.

In a positive logic system, the logic LOW could be between 0 V and 0.8 V.

An inverter performs a NOT operation.

Greater accuracy and precision are possible with digital techniques.

The real world is mainly analog.

Using digital techniques of information storage is easy.

One advantage of analog circuits over digital circuits is that it's easier to store data.

Digital circuits cannot perform logic comparisons since the circuit can have only one of two values at any instant.

Telecommunications systems do not use digital techniques.

Binary means having two states or values.

Four bits equal one byte.

The time interval on the leading edge of a pulse between 10% and 90% of the amplitude is the rise time.

In a negative logic system, the area represented by #3 in the given figure would be the ________ level.

The area represented by #4 in the given figure is the ________ level.

A continually variable, proportional indicator is a(n) ________ representation.

The control and arithmetic/logic units are often considered as one unit called the ________.

A microcontroller would not be used in a(n) ________.

________ is the highest-value seven-bit binary number.

The systems shown in the given figure communicate using ________.

A binary number can be converted to be viewed on a 7-segment display by a(n) ________.

The CPU contains all the circuitry for ________.

Demultiplexing is a logic function that ________.

In ________ the quantities are not represented by continuously variable indicators.