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The different components of a computer system
A computer system consists of various interconnected components that work together, including hardware devices and software programs. It allows users to input data using devices like a keyboard and mouse, process and store the data, and output information using devices like a monitor. The main hardware components are the system unit and peripheral devices for input, output, and storage. Software programs include operating systems and utilities that control the computer, as well as application software for specific tasks.
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The different components of a computer system
- 1. The different componentsof a computer system
- 2. What is acomputer? A computer is an electronic device that manipulates information, or data. The system Unit Keyboard Mouse It is called a Computer System: As it is not a single machine but a collection of many devices which work together to perform a task. Monitor
- 4. Parts Of TheComputer System
- 5. Users Peoples are thecomputer operators, also known as users.
- 6. What is hardware? Computerhardware refers to the physical parts or components of a computer All of which are physical objects that can be touched
- 8. What is Peripheral? (Externalparts of computer) A peripheral is the general term used to describe devices which are externally connected to a computer. Input Devices: used to interact with or send data to the computer e.g. mouse, keyboards, etc… Output Devices: which provides output to the user from the computer e.g. monitors, printers, etc… Storage Devices: which stores data processed by the computer e.g. Hard drives, flash drives, etc… Network devices: 8
- 9. What you putinto a computer (input) controls what you get out of it (output). The equipment which you use to put information (called data) into a computer is called input devices. The equipment we use to get out of the computer is called output devices. Activity A. Input and Output devices 1.Here are some input devices. Write the missing letters. (1) k __ __ __ __ __ __ d (2) j __ __ s __ __ __ k (3) __ __ u __ e (4) s __ __ n n __ r 2. Here are some output devices. Write the missing letters. (1) l a s __ __ P __ __ n __ __ r (2) __ __ n __ t __ __ (3) S p __ __ k __ __ __ (4) p __ __ t __ e __
- 10. 4. Sort thesedevices into the correct column. Scanner, Printer, Keyboard, Mouse, Monitor, Joystick, Speaker, Projector, Dongles and modems Digital camera, Microphone, Barcode reader, Webcam, Game controller, USB flash drives, Plotter, touch screen Input Devices Output Devices I/O Devices Storage Devices Network Devices
- 11.
- 12. Storage Byte –Stores the equivalent of one character. Kilobyte (1 KB) – 1,024 bytes. Megabyte (1 MB) – 1,048,576 bytes. Gigabyte (1 GB) – 1,073,741,824 bytes. Terabyte (1 TB) – 1,099,511,624,776 bytes. 12
- 13. B. Storage devices Drawlines to match the different secondary storage devices to the read/write equipment. Activity 13
- 14. What is software? Softwareis a Set of Instructions that makes the computer perform tasks. In other words we can say that, software tells the computer what to do. Will learn more about software on the 3rd day……..
- 15. 1. What isa computer? 2. How the data stored or how the computer sees the data? 3. What is hardware? 4. Give some Examples for internal components of a computer? 5. Give some examples for external parts of computer? 6. What is software? 7. What are the main types of PC? 8. Give some examples for the companies that makes PC? 9. What is a server? Quiz Time
- 16. What is data? DATAis a collection of independent and Unorganized Facts.
- 17.
- 18. What is information? Informationis the processed and Organized data presented in a Meaningful form.
- 19. Information Processing Cycle PROCESSINGSYSTEMDATA INFORMATION A computer Primary job is to process these tiny pieces of Data in various ways, Converting them into useful Information
- 20. Raw Data Context Information Process 51,77,58,82,64,70 Test scoresachieved by students Average test score is 67%. This shows that the first student’s mark is way below average Process Example:
- 21. Data Information Meaning Data israw, unorganized facts that need to be processed. Data can be something simple and seemingly random and useless until it is organized. When data is processed, organized, structured or presented in a given context so as to make it useful, it is called Information. Example Each student's test score is one piece of data The class' average score or the school's average score is the information that can be concluded from the given data.
- 22. Functions of anInformation Processing System 1. It accepts and gather data (INPUT) 2. It processes data to become information (PROCESSING) 3. It stores data and information (STORE) 4. It presents information (OUTPUT)
- 23. Any information ordata that's Entered or sent to the computer to be Processed is considered Input.
- 24. What is output? Anyinformation that has been processed and comes from a Computer or computer device is considered output.
- 25. Why we usecomputer?
- 26. Think about theActivities you perform or want to perform using a computer Challenge!
- 27. Don’t you usecomputer to Type documents?
- 28. Don’t you SendEmail & Browse the Web?
- 30. Is it aComputer that controls Stoplights so you can drive to work?
- 31. How did theCashier scan and Calculate your Grocery items?
- 32. Is the Weathermap on Television Computer-generated?
- 34. Don’t you usecomputer to communicate?
- 35.
- 36. What makes aComputer Powerful?
- 37. • Desktop Computer •Laptop • Netbook • Tablet • PDA (Personal Digital Assistant) • SmartPhone Types Of Computer Equipment
- 38. A computer designedfor use by one person at a time.
- 39. Desktop Computer Lap topComputer What are the different types of PCs?
- 40. 40Designed so Allof the Components fit on or under a Desk or Table
- 41. 41 What is Laptopcomputer? A computer that is portable small enough to fit on your lap and suitable for use while travelling.
- 42. What are theMain types of software? System software Application software
- 43. 43 What is systemsoftware? Operating System (OS) is a set of programs that coordinates all activities among computer hardware devices and allows users to run application software Utility Programs allow the user to perform maintenance-type tasks usually related to managing a computer, its devices or its programs Programs that control the operations of the computer and its devices
- 44. 44 Computer Software What isapplication software? Presentation Graphics Spreadsheet Database Word Processing Programs that perform specific tasks for users