Information Technologies

Question 1

What is the meaning of computer hardware?

Answer 1

These are various physical components which comprise a computer system, as opposed to non tangible software elements

Question 2

What is software?

Answer 2

This is the name given to programs or sets of programs that tell the computer what to do

Question 3

What is the operating system

Answer 3

This is a program that provides the gap between application softwares and computer users and hardware.

Question 4

List tasks that is typically performed by the operating system?

Answer 4

Initial setup, checking that hardware is functioning properly, calling up program files into memory, opening and closing files,maintainance of directories in disk storage, controlling input and output devices, interpreting and executing commands, controlling system security, handling interruptions, managing multitasking

Question 5

An application software is?

Answer 5

This is a program or set of programs that will carry out specific processing application or job. Eg a payroll package

Question 6

What are the advantages of off the shelf application software?

Answer 6

They are cheaper, availability, reliability, support from supplier,

Question 7

What are the disadvantages of off the shelf software?

Answer 7

Might not perform exactly as the user would like, can force users into offering essentially the same services as other companies who have bought the same package