Quiz on OS

_____ is a free Operating System.

• Microsoft Windows

• MAC OS X

• Linux

• Android

Answer explanation

Linux is a free OS which can be installed on PCs.

Graphical User Interface (GUI) allows user to interact with computer through ________.

• folders and files

• RAM and ROM

• icons and menus

• images and videos

An example of OS is ________.

• MAC OS X

• Antivirus

• Paint

• MS Excel

If the computer does not start, ___________________.

• press Ctrl + Z

• check whether keyboard is properly plugged in

• remove jammed paper from printer

• check whether the power cord is properly plugged in

A virus scanner ______________________

• rearranges files on a disk

• detects and removes malware

• deletes files

• checks user names and passwords

Select one way to retrieve a deleted file.

• Press Alt + Ctrl + Del

• Run an antivirus software

• Open Recycle Bin, select file and click on Restore

• Run Disk Defragmenter software

Which keys should be pressed to start the Task Manager?

• Ctrl + Z

• Alt + F4

• Alt + Ctrl + Del

• Shift + Ctrl + Alt

If computer is in Sleep mode, ________ will wake it up.

• clicking the mouse

• running virus scanner

• Opening Recycle Bin, Right click on file and click on Restore

• checking the cables

A _____ system is an OS that supports only one user at a time.

• Multi-user

• Single-user

• Multi-processing

• Multi-tasking

In _______ management, a time slice is given to each job that needs processing.

• Memory

• File

• Processor

• Hardware