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Hardware and software
- 1. María Donoso Íñiguez 3ºA
- 2. WHAT IS HARDWARE Hardware is the physical part of a computer, it is composed of electric, electronic and mechanic components.
- 3. WHERE IS FOUND HARDWARE WHERE IS FOUND HARDWARE Hardware is found in computers, mobile phones, cameras, robots.etc.
- 4. PARTS OF HARDWARE CPU RAM Optical Disc Motherboard Monitor Mouse Keyboard Hard Disk Drive Power Supply Expansion Cards
- 5. MOTHERBOARD Motherboard is the body of the computer, in which all the components are found. Motherboard provides the electrical connections by which the other components communicate.
- 6. CPU CPU (Central Processing Unit) is like the brain of the computer. It is a machine that executes computer programs.
- 7. RAM RAM (Random Access Memory) is used to store programs that are currently running. It is called Random because is a set of circuits that allow the stored data to be accessed in any order.
- 8. EXPANSION CARDS An expansion card is an electronic card added into a desktop computer. These cards give that computer a new ability, like the ability to connect to another computer using a network cable.
- 9. POWER SUPPLY The power supply, also known as PSU (Power Supply Unit) is used to convert the power provided from the outlet into usable power for the components of the computer case.
- 10. HARD DISK DRIVE A hard disk drive (HDD) is the mechanism that controls the positioning, reading, and writing of the hard disk, which provides the largest amount of data storage for the PC.
- 11. WHAT IS SOFTWARE Software is a collection of instructions that enable the user to interact with a computer. Without software, computers would be useless. For example, without software you wouldn't surf the Internet.
- 12. WHERE IS FOUND SOFTWARE ● Software in the network: Programmes and applications on the Internet. The advantage is that it is not necessary to install or configure them. For example: Dropbox. ● Local software: In this case, programmes need to be installed and stored in the computer. For example: Windows.
- 13. Software quality is very important, especially for commercial software, like Microsoft Office, Microsoft Windows and Linux. QUALITY
- 14. EXECUTION Software has to be “loaded” into the computer's storage. After that, the computer is able to execute the software. This involves passing instructions from the application software.
- 15. WHAT ISDEP DEP (Data Execution Prevention) is a security feature that prevent damage to your computer from viruses. DEP can protect your computer by monitoring programs to make sure they use system memory safely.