Matric IT theory revision 4

A technique where two or more disks are grouped together by a special controller to minimise the possible loss of data

A field in a database table that can be used to identify records, but not used in the table as a primary key

The reorganisation of files on a hard disk drive that speeds up access to the files

Software that enables the operating system to communicate with hardware devices

The protocol used to transfer large files between remote computers that have an internet connection

Write out the abbreviation SSD in full.

A machine that runs on the host machine and running a different operating system as a guest operating system using the hardware of the host.

The layout/arrangement of devices in a network

The topology that requires each of the nodes/devices to be connected to a central switch independently

• bus

• star

• ring

• mesh

Answer explanation