What are computers? Computers are machines that perform tasks or calculations according to a set of instructions, or programs. The first fully electronic computers, introduced in the 1940s, were huge machines that required teams of people to operate. ENIAC Introduced in 1946, ENIAC (Electronic Numerical Integrator and Computer) first general-purpose electronic computer. for the US military to calculate the paths of artillery shells. more than 27,000 kilograms (60,000 pounds) and filling a large room. To process data, ENIAC used about 18,000 vacuum tubes.

Types of computers

Parts of computers

What is Operating System “Computer Basics” What is Operating System . An operating system (OS) is a set of computer programs that manage the hardware and software resources of a computer

“Computer Orientation Programme” “Computer Basics” A Low-level languages are closer to the hardware than are high-level programming language, which are closer to human languages.

“Computer Orientation Programme” “Computer Basics” WINDOWS A rectangular shaped area on the screen of any GUI that contains a program. It also refers to a family of operating systems developed by Microsoft. The family includes Windows 3.x, 9x, Me, NT, 2000, XP, and 2003 etc.

Windows features “Computer Basics” Provides users with a graphical user interface (GUI) It is an extension of and replacement for Microsoft’s Disk Operating System (MS-DOS). Friendly new screens, simplified menus, and a whole lot more. Makes personal computing easy and enjoyable! Power, performance, ready help when you need it. With unmatched dependablity and security. Unlock the exciting world of digital media, photography, music, videos, computer games, and more. Share files, photos, music, even a printer, all on a network.

“Computer Basics” Windows Basics The Windows Desktop

“Computer Basics” Windows Basics… Icons

“Computer Basics” Windows Basics… Taskbar

“Computer Basics” Windows Basics… Start

Windows Basics… “Computer Basics” To open the Start menu, click the Start button in the lower-left corner of your screen. Or, press the Windows logo key on your keyboard.

“Computer Basics” Windows Basics… Files and Folders

“Computer Basics” Windows Basics… Windows

“Computer Basics” Windows Basics… Control Panel

“Computer Basics” Windows Basics… Control Panel

“Computer Basics” Windows Basics… Ending Your Session

Protect your computer against potential security threats “Computer Basics” Protect your computer against potential security threats Firewall: can help protect your computer by preventing hackers or malicious software from gaining access to it. Virus protection: Antivirus software can help protect your computer against viruses, worms, and other security threats. Windows Update. Windows can routinely check for updates for your computer and install them automatically.

“Computer Basics” Sharing files Any file or folder you put in a Public folder is automatically shared with the people connected to your network. To turn on Public folder sharing, follow these steps: Open Advanced sharing settings by clicking the Start button >>> Control Panel >>> click Network and Sharing Center, and then, in the left pane, click Change advanced sharing settings. Under Public folder sharing, click one of the following options: Turn on sharing so anyone with network access can read and write files in the Public folders Turn off Public folder sharing (people logged on to this computer can still access these folders)

“Computer Basics” Sharing files

Using Windows Help and Support “Computer Basics” Using Windows Help and Support Windows Help and Support is the built-in help system for Windows. It's a place to get quick answers to common questions, suggestions for troubleshooting, and instructions for how to do things. To open Windows Help and Support, click the Start button Picture of the Start button, and then click Help and Support.

User Accounts Creation “Computer Basics” User Accounts Creation Go to … Start >> Settings >> Control Panel >> User Accounts >> Create a new account

Know your IP Address “Computer Basics” Go to … Start >> Settings >> Control Panel >> Network Connections >> Local Area Connection >> Properties >> Internet Protocol (TCP/IP) OR Run >> Command >> ipconfig –all

Know your Computer Name “Computer Basics” Know your Computer Name Go to … Start >> Settings >> Control Panel >> System >> Computer Name E.g. Here You will see… Full computer name : compass Workgroup: WORKGROUP

Lets Experience… “Computer Basics” Ping Add or remove programme Fonts File/Data transfer File/Folder Deletion Proxy Settings Windows Firewall Shortcuts

“Computer Basics”