Lecture Computer literacy - Lecture 10: Troubleshooting, Software Installation & Protection

After studying this chapter you will be able to understand: What is a computer network? What is the difference between LAN & WAN? What is firewall? What is a computer virus and antivirus? What is email spam? | Troubleshooting, Software Installation & Protection ADE100- Computer Literacy Lecture 10 Sajid Riaz 1 Knowledge test What is a computer network? What is the difference between LAN & WAN? What is firewall? What is a computer virus and antivirus? What is email spam? 2 Topics covered Software installation Example: Installing an electronic dictionary Utilities: What is file compression and why it is needed? File compression applications (WinZip and other programs) Learning to compress files and folders using windows default options (zip, rar) 3 Troubleshooting Troubleshooting is a form of problem solving Applied to repair failed products or processes Logical & systematic search for the source of a problem so that it can be solved, So the product or process can be made operational again. In computer, troubleshooting is Identifying the source of a problem & solve it in the Computer program Computer system Computer network 4 Problems & their sources Problem Source Diskette drive cannot write | Troubleshooting, Software Installation & Protection ADE100- Computer Literacy Lecture 10 Sajid Riaz 1 Knowledge test What is a computer network? What is the difference between LAN & WAN? What is firewall? What is a computer virus and antivirus? What is email spam? 2 Topics covered Software installation Example: Installing an electronic dictionary Utilities: What is file compression and why it is needed? File compression applications (WinZip and other programs) Learning to compress files and folders using windows default options (zip, rar) 3 Troubleshooting Troubleshooting is a form of problem solving Applied to repair failed products or processes Logical & systematic search for the source of a problem so that it can be solved, So the product or process can be made operational again. In computer, troubleshooting is Identifying the source of a problem & solve it in the Computer program Computer system Computer network 4 Problems & their sources Problem Source Diskette drive cannot write data to a disk Disk is not formatted or disk is write protected or disk is damaged or disk is full System date & time display is incorrect Real-time clock battery need to be replaced Computer is not responding to USB keyboard or mouse Computer is in Standby mode, or system is locked Poor performance is experienced Processor is hot or hard drive is full or low memory or hard disk fragmented Arrow keys of keyboard are not showing cursor movements The NUM LOCK key may be ON. System is not booting from CD/DVD Boot-order is not correct or inserted non-bootable CD Drive is not found Cable is loose or diskette is seated/fixed properly Printer is not printing Incorrect driver is installed or printer is OFF 5 Software installation Software Installation (or setup) Make the program ready for execution Code being copied from the installation files to new files on the local computer for easier access by the operating system. Code is generally copied in multiple locations Programs often come with .

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