INFORMATION TECHNOLOGY PRAC QUES

Two MAJOR category of software are:

• system software and utility programs

• operating system and system software

• utility programs and operating system

• system software and application software

What is computer?

• A computer is an electronic device that performs processes, calculations and operation based on the instructions provided by the central processing unit.

• A computer is a device that performs input and memory saving.

• A computer is a device that process documents and output hard copies.

• A computer is a mainframe Satalite device that connects Nasa to mars stations

A supercomputer is a computer that performs at the ?

What is the purpose of an operating system?

• The purpose of an operating system is to provide an interface between the hardware and the user, manage resources, and ensure system security.

• The purpose of an operating system is to design software applications for specific industries.

• The purpose of an operating system is to analyze data and generate reports for businesses.

• The purpose of an operating system is to control the temperature of computer hardware.

What is the difference between RAM and ROM?

• RAM is a type of volatile memory that stores data temporarily, while ROM is non-volatile memory that stores data permanently.

• RAM is used for long-term storage, while ROM is used for short-term storage.

• RAM is read-only memory, while ROM is random access memory.

• RAM is used for processing instructions, while ROM is used for displaying graphics.

Explain the difference between input and output devices.

• Input devices are used to enter data into the computer, while output devices display or provide the processed information.

• Input devices are used for processing data, while output devices are used for storage purposes.

• Input devices are used for displaying graphics, while output devices process instructions.

• Input devices are used for long-term storage, while output devices are used for short-term storage.

What is the function of a CPU in a computer system?

• The CPU (Central Processing Unit) is responsible for executing instructions, performing calculations, and managing data flow within the computer system.

• The CPU is used for displaying images on the screen.

• The CPU is responsible for managing system security and ensuring data privacy.

• The CPU is used for connecting external devices to the computer.

Define the term 'hardware' in the context of computers.

• Hardware refers to the physical components of a computer system, such as the motherboard, processor, memory, and storage devices.

• Hardware refers to the software applications installed on a computer.

• Hardware refers to the data and information processed by the computer.

• Hardware refers to the network connections established by the computer.

What is the role of a device driver in a computer system?

• A device driver is a software program that allows the operating system to communicate with hardware devices.

• A device driver is responsible for managing system security and data privacy.

• A device driver is used for processing data and calculations.

• A device driver is responsible for displaying graphics on the screen.