2025-26 #15
Utility software - correct answer Software used by the OS to help manage resources
and services for computer systems.
Features of utility software - correct answer Security, Connectivity, Back up and
Restore.
Uses of utility software - correct answer Data compression, Disk defragmentation, Data
encryption, Back up, Anti-virus software and registry cleaners.
Factors affecting performance of utility software - correct answer CPU, GPU and
Memory.
Factors affecting choices of utility software - correct answer Cost, Ease of use and
Availability.
Application software - correct answer Computer program used to perform functions and
activities for the user.
Features of application software - correct answer Storage of data, Creating and editing
documents, GUI and Menus.
Uses of application software - correct answer E-mail, Word processing, Database
programs, Spreadsheet programs and Desktop publishing.
Factors affecting performance of application software - correct answer Complexity,
Design, The network, Ability to use memory efficiently and The processing required.
Factors affecting choices of application software - correct answer Cost, Ease of use,
Availability and Design.
Principles of open source - correct answer Free, Interchangeable for anyone.
Implications of open source - correct answer can be copied, less secure and can be
edited by anyone with access to the code.
CPU (Central Processing Unit) - correct answer The CPU is the part of the computer
where operations are managed and executed. Performance is measured by instructions
executed per unit time.
Hardware used in output devices - correct answer These are used to get anything out of
the computer/ provide data to the user
- Printers
- Screens
, - Projectors
- Speakers
Backing storage types e.g USB memory stick - correct answer External hardware for
example optical disks (cds). USB memory sticks: a removable device that can store
data, measured in gigabytes and terabytes. Capacity typically starts at 2GB but can go
as high as 512GB or 1TB. 2.0 USB can transfer data at 60 megabytes per second. 3.0
USB can transfer up to 640 megabytes per second.
Multi-functional device - correct answer These are devices that perform multiple
functions, for example a printer.
Motherboard - correct answer A circuit board, located on the bottom or at the back of
the computer chassis which has connectors for other circuit boards and the principal
components of a computer to be slotted into. Allows communication to the CPU, RAM,
as well as all other computer hardware components.
Personal computer - correct answer A computer widely used for work and used by
individuals.
Power Supply (PSU) - correct answer Supplies power to a computer. Usually, personal
computers can be plugged into standard electrical outlets where the power supply then
pulls the required amount of electricity and coverts the current from AC to DC.
Mobile devices - correct answer These are multi-functional, as they not only consist of a
computer but often a camera and a phone.
BIOS - correct answer A set of computer instructions which controls input and output
operations to get the computer started after you turn it on.
Servers - correct answer Usually large computer systems that run a network.
USB port - correct answer A USB port allows USB devices to be connected to each
other so data can be transferred over USB cables or sticks.
Multi-functional device (Purpose) - correct answer To perform multiple functions in one
single device.
Parallel Port - correct answer A parallel port is used to connect a printer or other device
via a parallel interface.
Personal computer (Purpose) - correct answer To perform most common computing
tasks.
Serial Port - correct answer A serial port is used to connect most type of devices such
as modems and sometimes the mouse.