IT MCQs

software in computer can-?

1. enhance the quality of hardware
2. increase spending on CPU
3. increase computer security
4. all of these

What term describes explanatory text attached to a cell?

1. Context
2. Callout
3. Comment
4. Dialog

Which one is point and draw device?

1. Scanner
2. Mouse
3. Printer
4. ROM

Most powerful computer is

1. Mini computer
2. Main frame computer
3. supercomputer
4. None

Which one of the following is not a computer language?

1. Paint Brush
2. Basic
3. COBOL
4. C++

The basic building of any communications facility is the:

1. Source
2. Receiver
3. Transmission line
4. None of these

Coaxial cable, like twisted pair, consists of ____ conductors, but is constructed differently to permit it to operate over a wider range of frequencies.

1. Three
2. Two
3. One
4. Four

Analog data in electrical form ___ transmitted as baseband signals.

1. Cannot be
2. Can be
3. Should be
4. None of these

Good Voice reproduction via PCM can be achieved with 128 quantization levels, or ___ coding.

1. 7-bit
2. 4-bit
3. 3-bit
4. 8-bit

A combinational circuit consists of

1. Input variables
2. Logic gates
3. Output variables
4. All of these