Computer Hardware MCQs Online Test

A small or intelligent device is so called because it contains a ____ within it .

1. Sensor
2. computer
3. laptop
4. Program

The basic functions that a computer can perform is/are:

1. Data processing
2. Data storage
3. Data movement and control
4. All of these

____ is some mechanism that provides for communication among the control unit, ALU and registers.

1. control unit connection
2. CPU interconnection
3. Wires
4. Communications

The basic function performed by a computer is ____ of a program.

1. Collection
2. Execution
3. Submission
4. Calculation

A common application of multiplexing is in ____ communications.

1. Two
2. Facility
3. Lowest
4. Long-Haul

Trunks on long-haul networks is/are:

1. Coaxial
2. Microwave
3. High-capacity fiber
4. All of these

The idea behind limiting the lifetime of variables is to save:

1. Register
2. Memory space
3. calling function
4. codes

Which of the following is used to convert hardcopy into softcopy?

1. Scanner
2. Printer
3. Trackball
4. Monitor
5. CPU

____ performs the computer data processing functions.

1. Control Unit
2. ALU
3. Registers
4. CPU interconnection