Blackberry

Embedded Linux is the use of Linux in embedded computer systems such as mobile phones, personal digital assistants, media players, set-top boxes, and other consumer electronics devices, networking equipment, machine control, industrial automation, navigation equipment and medical instruments.

Symbian is a mobile operating system (OS) and computing platform designed for smartphones and currently maintained by Nokia. The Symbian platform is the successor to Symbian OS and Nokia Series 60

4. Explain the purpose of several utility programs: file manager, search utility, image viewer, uninstaller, disk cleanup, disk defragmenter, backup and restore utilities, screen saver, personal firewall, antivirus programs, spyware and adware removers, Internet filters, file compression, media player, disc burning, and personal computer maintenance.

A file manager or file browser is a computer program that provides a user interface to work with file systems.

Image List control is used to place images onto your forms and to use these images in toolbars, menubars, we use the image list control.

Disk Cleanup (cleanmgr.exe) is a computer maintenance utility included in Microsoft Windows designed to free up disk space on a computer's hard drive.

Disk Defragmenter is a utility in Microsoft Windows designed to increase access speed by rearranging files stored on a disk to occupy contiguous storage locations, a technique called defragmentation.

The Backup utility in Windows XP and in Windows Vista helps you protect your data if your hard disk stops working or your files are accidentally erased.

System Restore can then allow you to undo (or "roll back") a change that caused instability in your system.

original function for the screen saver was to protect the monitor from damage when a single data or picture screen was left pulled up for an extended period of time.

personal firewall will usually protect only the computer on which it is installed.

Antivirus software is your last line of defense against the many harmful programs out there that can destroy your computer.

Spyware is a type of malware that can be installed on computers, and which collects small pieces of information about users without their knowledge.

Adware also can gather information about user’s habits and interests and send it out through a background Internet connection.