1.4 OS eduqas GCSE revision1

Allocating time on the processor to individual processes is known as...

• CPU Scheduling
• CPU Timing
• CPU Clocking
• CPU Sorting

A message sent by the OS to change the CPU schedule is known as...

• Interrupt

• Poll

• Cache

• Defrag

Keeping track of the location of processes in memory and allocating space to new processes is known as...

• Memory Management
• Process Management
• Memory Scheduling
• Process Scheduling

Which of these is not a function of an OS:

• Provide a user interface

• Communicate with hardware

• Allow the computer to multi-task

• Improves CPU performance

What do device drivers do?

• Allows the OS to communicate with hardware

• Drives around the motherboard

• Increases the amount of storage

Which of the following is an advantage of file compression? Click all that apply

• Files can be sent quicker

• Files can be uploaded and downloaded quicker

• Files take up less storage space

What is the purpose of Utility Software? Click all that apply

• To keep the computer organised

• To ensure it has up to date software

• To ensure the system runs efficiently

• To translate machine code into high level code

A firewall

• controls and inspects incoming and outgoing network traffic to prevent unauthorised access
• creates business documents
• creates a restore point
• searches for malicious programs and either deletes or quarantines them

Spyware is

• software that installs itself on your computer and then gathers information about passwords, what Internet sites you visit and other confidential information.�
• used to help protect your computer against viruses.
• used to tell you how much storage space is free on your computer
• automatically deletes browsing history.

Command line and Graphical are types of what?

• security
• programming
• user interface
• peripheral