Computer System

A computer is an ______________ device.

• Electronic

• Electrical

• Mechanical

• None of the above

Answer explanation

A computer is an electronic device because it processes data using electronic circuits and components, not mechanical or electrical mechanisms.

A computer takes ________________ , ________________ it and gives __________________.

Answer explanation

A computer takes input, processes it and gives output.

CPU stands for _______________

• Central Processor Unit

• Central Processing Unit

• Control Processing Unit

• None of the above

Answer explanation

CPU stands for Central Processing Unit, which is the correct choice among the given options.

CPU is called _____________ of computer.

• Heart

• Brain

• Eyes

• None of the above

Answer explanation

CPU is called the brain of the computer because it processes instructions, performs calculations, and manages data flow within the system.

CPU can be placed on one or more microchips called IC. Here IC stands for ___________

• Integrated Circuit

• Internal Circuit

• Interesting Circuit

• None of the above

Answer explanation

CPU can be placed on one or more microchips called IC, where IC stands for Integrated Circuit, making it the correct choice.

The ICs are made up of _______________ materials.

• Conductor

• Insulator

• Resistor

• Semiconductor

Answer explanation

The ICs are made up of Semiconductor materials, which have properties between conductors and insulators, allowing for controlled flow of electricity.

ALU stands for __________

• Arithmetic Logic Unit

• Arithmetic Logic Universe

• Arithmetic Logic gates Unit

• None of the above

Answer explanation

ALU stands for Arithmetic Logic Unit, which is responsible for performing arithmetic and logical operations in a computer's CPU.

CPU has two main components ______________ and _________

• ALU and Memory Unit

• CU and ALU

• Input and Output Unit

• None of the above

Answer explanation

The correct components of a CPU are Control Unit (CU) and Arithmetic Logic Unit (ALU), making the correct choice CU and ALU.

Devices which feed data into the computer are called ___________

• Output devices

• Storage devices

• Input devices

• None of the above

Answer explanation

Devices which feed data into the computer are called input devices, as they input information for processing.

Example of input device is :

• Keyboard

• Scanner

• Microphone

• All of the above

Answer explanation

The correct answer is 'All of the above' because a keyboard, scanner, and microphone are all examples of input devices used to input data into a computer system.