Paper 1 Systems software

• Antivirus. • File Management System. • Disk Management tools. • Compression tools. • Disk cleanup tool. • File Management System. • Disk Defragmenter. • Backup utility

A computer peripheral is any external device that provides input and output for the computer. For example, a keyboard and mouse are input peripherals, while a monitor and printer are output peripherals.

A driver provides a software interface to hardware devices, enabling operating systems and other computer programs to access hardware functions without needing to know precise details about the hardware being used.

Encrypting a document, such as a spreadsheet, for security purposes because of sensitive data.

• If you know the commands, a CLI can be a lot faster and efficient than any other type of interface. It can also handle repetitive tasks easily. • A CLI requires less memory to use in comparison to other interfaces. It also does not use as much CPU processing time as other interfaces. • A CLI doesn’t require Windows and a low-resolution monitor can be used. Meaning, it needs fewer resources, yet is highly precise.

In operating systems, memory management is the function responsible for managing the computer’s primary memory.

The OS decides which process gets the processor when and for how much time.

Peripheral management is where the operating system controls how the peripherals function using drivers.

This makes a copy of everything on the system, even if it has not changed since the last backup.

This makes a copy of only the new files or any files that have changed since the last full backup and is much quicker to make than a full backup.