Computer Applications
(a) Give the name of the operating system that you use at school or at home.
(b) Write down two tasks that your operating system performs.
(c) Where in the computer is the operating system normally stored when the power to the computer is off ?
Computer System
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Answer
(a) Microsoft Windows.
(b) Two tasks performed by the operating system are:
- Memory Management — The operating system allocates memory to a program for execution and de-allocates it when the program finishes executing.
- Device Management — The operating system keeps track of all the devices, enables and controls the input-output (I/O) devices attached to a computer system.
(c) The operating system is normally stored on a secondary storage device such as a hard disk drive (HDD) when the power to the computer is off.
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Related Questions
The operating system of a computer is :
- Hardware which helps to manage the computer system
- Software which helps to manage the computer system
- Hardware which creates programs for use by the computer system
- Software which creates programs for use by the computer system
Name the Software that performs system tasks other than that of operating system.
A company provides on-line training courses.
(a) Give one use for each of the following to help the company run these courses :
(i) Spreadsheet package
(ii) Database package
(iii) Accounting package
(iv) Word processing package
(b) A leaflet designed using word processing software to advertise a course is currently too big to fit on a single printed page. What features of the word processing software could be used to alter the design so that it does fit on one page ?
Below is a list of various types of software :
Database, File Management, Spread sheet, Word Processing, Encryption, Antivirus
Which would be most suitable for :
(i) Rotation of Shapes
(ii) Typing text for a report
(iii) Replication of cells
(iv) Carrying out complex calculations on two or more criteria
(v) Storing employees' details
(vi) Organizing files for faster search
(vii) Scanning and cleaning a computer for harmful files