Class 10 Unit 3 ICT Skills.pdf withou any adds
- 1. Unit 3 Information and Communication Technology Skills Part A Employability Skills Notes By Rafiq Tamboli
- 2. Basic Computer Operations Performing Basic File Operations Computer Care and Maintenance Computer Security and Privacy Notes By Rafiq Tamboli
- 3. Computer Hardware and Software A computer system consists of two main parts— the hardware and the software. Hardware : The physical parts that we can see and touch are called hardware. It is the machinery of a computer. These are the keyboard, monitor, CPU, etc. Software : Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system. Hardware Software Basic Computer Operations Notes By Rafiq Tamboli
- 4. A computer automatically runs a basic program called BIOS (Basic Input/Output System) as soon as it is switched on or the power button is pushed on. The BIOS first does a self-test. If the self-test shows that the system is fine, the BIOS will load the Operating System. Booting is just the process of starting or resetting the computer. To make sure your computer is locked, you have login-IDs and passwords. A login and password is like a key to the lock which allows you to use the computer. Notes By Rafiq Tamboli
- 5. A keyboard is an input device used to type text, numbers and commands into the computer 1) Function Keys - Keys labeled from F1 to F12 are function keys. 2) Alpha – Numeric Keys 3) Numeric Key Pad 4) Navigation Keys 5) Control Keys Keyboard Notes By Rafiq Tamboli
- 6. A mouse is a small pointing device that you can use to move, select and open items on your computer screen • Roll Over or Hover • Point and Click • Drag and Drop • Double-click Mouse Notes By Rafiq Tamboli
- 7. Files and Folders All information stored in a computer is kept in files. Different types of files store different types of information. A folder is a location where a group of files can be stored. File → Used to store information .doc, .xls, .jpg, .mov (Extension Depend on type of file) Folder → Used to store Files Performing Basic File Operations Notes By Rafiq Tamboli
- 8. Importance of Care and Maintenance of Computers • Keeping a Device Clean • Prepare a Maintenance Schedule • Backup Your Data • Scanning and Cleaning Viruses • Increasing Computer Performance • Removing SPAM from your Computer Notes By Rafiq Tamboli
- 9. Computer Security and Privacy Security break is leakage of information stored in a computer. Threats to Computer Threats are the ways in which personal information can be leaked from a computer without our knowing. Software Piracy: This is stealing of software and includes using or distributing unlicensed and unauthorised copies of a computer program or software. Virus: Viruses are computer programs that can damage the data and software programs or steal the information stored on a computer. A computer virus is a type of malware that attaches itself to a program or file. Notes By Rafiq Tamboli
- 10. Protecting your Data Use passwords to login to your computer Install Anti-virus and Firewall Encrypt Data Secure sites Notes By Rafiq Tamboli