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The document is a lesson plan from "Unidad Educativa Santa María de la Esperanza" for a 1st year computer science class taught on April 4, 2012. The lesson is on computers and their main components, including the central processing unit, hardware, software, main memory, and peripheral devices for input, output, and storage.
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Hardware and software
Hardware is the physical components of a computer such as the central processing unit (CPU), memory, storage devices, motherboard, and input/output components. The motherboard connects all the internal components and allows them to communicate. Software includes programs and applications that allow users to interact with the computer and hardware. Common types of software include operating systems, productivity applications, and programs installed locally or accessed online. Software must be loaded and executed by the computer's CPU in order to be useful.
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The document discusses the structure of a computer. It is divided into two main parts: hardware and software. Hardware refers to the physical and tangible parts of a computer like keyboards, mice, monitors, printers and speakers. Software refers to the programs and applications that are run on the computer like operating systems, word processors, web browsers and more which are intangible. The document provides examples of input devices, output devices, programs and applications that make up the hardware and software parts of a computer.
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The document summarizes the external and internal computer parts. Externally, a computer has a display, mouse, keyboard, case, speakers, printers, microphone, and scanner. Internally, it contains a power supply, microprocessor, memory (RAM and ROM), hard drive, video card, sound card, motherboard, and cooling fans. The CPU is the central processing unit that controls all tasks performed by the user using these internal components.
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A computer is an electronic machine that can accept data as input, manipulate the data according to stored instructions, produce output, and store results for future use. It performs this processing cycle at incredible speeds and with great accuracy and reliability due to its electronic components like the CPU and memory. Computer programs provide the step-by-step instructions that allow computers to perform tasks. There are two main types of software: system software that operates the computer hardware, and application software designed for specific tasks. The basic components of a computer are input devices, output devices, a system unit containing the CPU and other core components, storage devices, and communication devices.
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Peripheral devices are external hardware attached to a computer. There are three types: input devices which produce input signals; output devices which present processed data externally through printing or displaying; and storage devices which store information and documents so they can be retrieved when needed. Examples of storage devices include hard disks, diskettes, CD ROMs, and thumb drives.
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Computer hardware devices include webcams, which connect to computers using USB ports and are used for video calls and conferencing. Scanners optically scan documents and images into digital formats, and come in flatbed and handheld varieties. Mice are pointing devices that detect motion on a surface to move a cursor. Speakers connect to computers using audio jacks and amplify sound. Trackballs are like upside-down mice with exposed balls that users roll to move a cursor. Light pens were used with CRT monitors to point at and draw on screens.
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Hardware is the physical components of a computer such as the central processing unit (CPU), memory, storage devices, motherboard, and input/output components. The motherboard connects all the internal components and allows them to communicate. Software includes programs and applications that allow users to interact with the computer and hardware. Common types of software include operating systems, productivity applications, and programs installed locally or accessed online. Software must be loaded and executed by the computer's CPU in order to be useful.
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Peripheral devices are external hardware attached to a computer. There are three types: input devices which produce input signals; output devices which present processed data externally through printing or displaying; and storage devices which store information and documents so they can be retrieved when needed. Examples of storage devices include hard disks, diskettes, CD ROMs, and thumb drives.
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Computer hardware devices include webcams, which connect to computers using USB ports and are used for video calls and conferencing. Scanners optically scan documents and images into digital formats, and come in flatbed and handheld varieties. Mice are pointing devices that detect motion on a surface to move a cursor. Speakers connect to computers using audio jacks and amplify sound. Trackballs are like upside-down mice with exposed balls that users roll to move a cursor. Light pens were used with CRT monitors to point at and draw on screens.
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The document provides an introduction to computers, defining a computer as an electronic device that accepts input, processes data, stores data, and produces output. It outlines key computer concepts such as data, information, input/output devices, software/hardware, types of computers, and common uses. The document aims to give the reader a basic overview of what a computer is and its main components.
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BASIC COMPUTER CONCEPTS (COMPONENTS OF COMPUTER HARDWARE)
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Asdfghhhjjjkl
- 1. UESME “Unidad Educativa Santa María de la Esperanza” NOMBRE Paul Castro and Ricardo Jara CURSO 1ro de Informática FECHA 04-04-2012 TEMA Computer ASIGNATURA Ingles PROFESOR Prof. Fernando Campoverde Año LECTIVO 2012-2013
- 2. COMPUTER is an electronic machine It is brain of the computer
- 4. HADWARE Is any electronic or mechanical part you can see or touch.
- 5. SOTFWARE Is a set of intructions, called a program.
- 6. MAIN MEMORY Holds the instructions and data which are being processed by the CPU
- 7. PERIPHERALS storage divise Ouput divice Input divise
- 8. storage divice is all disk that stores any information or document
- 9. Hard disk
- 10. Optical disk
- 11. Pen drive
- 12. Pc card
- 13. Micro drive
- 14. Output divice Enatable us to extract the finiched product fom the system
- 15. Printer
- 16. Screen
- 17. projector
- 18. headphones
- 19. Monitor
- 20. Input divice Enatable data to go into the computer
- 21. CPU
- 22. mouse
- 23. Wi - fi
- 24. Digital camera
- 25. keyboard