Operating Systems (The features of graphical user interface? (This then…
The features of graphical user interface?
This then commands the PC to carry out the task which is done by the user and processed.
What is Command Line Interface?
A GUI is a graphical user interface where the user can go through images and icons to communicate with the operating system.
A CLI is the command line interface which is accessed through the command prompt where the user must know exact and accurate commands that have to be typed in order to communicate.
Main types of operating systems available
Mac OS X
The main types of operating systems available are:
Computer security: is the protection of computer systems from the theft and damage to their hardware, software or information, as well as from disruption or misdirection of the services they provide.
Computer security includes antivirus, spyware protection and firewalls.
Disk organisarion: Before a hard disk can be used, it needs to be prepared so that it will be able to store files and applications. Disk organisation is the part of the process for preparing a hard disk or other storage medium for its first use.
Disk organisation includes formatting, file transfer and defragmentation.
Utility software is system software designed to help analyze, configure, optimize or maintain a computer.
System maintenance is an ongoing activity, which covers a wide variety of activities, including removing program and design errors, updating documentation and test data and updating user support.
System maintenance includes system information and diagnosis, system clean up tools and automatic updating.
What does an operating system do?
An operating system is used to communicate information from the user to the computer through transfer of data and processes completed by the user and making them compatible for the CPU to understand
an operating system (OS) is the program that manages all the other programs in a computer.
This happens through the operating system making them binary and completing the process that you’ve completed.
Multiple users and multitasking
Personal computers can multi-task very well, especially for the type of things that most of us want to do, for example, reading emails, writing letters, working on spreadsheets, listening to music, surfing the web and watching videos.
Security on computers
A firewall is a common example.
A firewall is a protection from unauthorized access.
Here are five simple, but critical steps to protect your computer,
Check on the Security Settings of the Browser.
Use Complex and Secure Passwords.
Install Anti-Spyware Software.
Install Antivirus Software.