Excercise 9.1

1.

TERM                                     DESCRIPTION

Black Box                                         Software not fully understood by most users

Hierachy                                          Diagram where the most important level of system

                                                        is at the top

Resources                                        General term for components needed to perform

                                                        a task

Interface                                          Meeting points between parts of a system

Processors                                       Instructions that control processing

Procedures                                      The means of carrying out operations

                                                       or instructions

Hardware                                         Physical units that make up a system               

Software                                          Programs or sets of instructions

Data                                                Individual facts put into a system

People                                             Users of a system

2.

a) Computer hardware cannot work without software.

b) True

c) True

d) It is made up of a number of programs

e) True

f) An application program is not the same as an operating system

g) Application programs do not consist mainly of utilities

h) Application programs need an operating system in order to work

3.

a) System softwares controls or manages computer resource’s. It provides an interface between the hardware and application software.It allows creation or editing of files.

b) Printers, scanners, mouse and keyboard

c) Anti-virus’ and drivers

d) GUI and CLI

~ by Gerry Koshy on April 29, 2008.