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There are many external devices that can connect to a computer, including a mouse, keyboard, monitor, microphone, and speakers. These devices connect via ports on the computer system unit, which houses the primary components like the motherboard and CPU. USB and FireWire ports are commonly used because they allow for hot-plugging, meaning devices can be connected and used immediately without restarting the computer.
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Peripheral devices
Peripheral devices expand the capabilities of a computer but are not part of the core architecture. There are three types: input devices which send data to the computer, output devices which provide output to the user, and storage devices which store processed data. Examples of input devices include keyboards and mice, while monitors and printers are common output devices. Peripherals connect to computers through various connection methods and cabling technologies such as USB, serial, and fiber optic cables.
Peripheral devices by Tahir Yasin
This document defines and describes various common peripheral devices used with computers. It discusses CD-ROMs, the CPU, joysticks, keyboards, LCD displays, mice, printers, speakers, USB ports, and webcams. For each device it provides 1-2 sentences on what the device is and its basic function.
Peripherals
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.
Fundamentals of computer
The document discusses various components of computer systems, including:
1. Operating systems manage resource allocation and provide an interface between hardware and users.
2. External devices include input devices like keyboards and mice, the central processing unit (CPU), memory for data storage, and output devices like monitors and printers.
3. Internal devices include the motherboard which connects components, sound and video cards for multimedia, and network cards for connectivity.
Computer
Peripheral devices are external hardware devices attached to a computer that are either input or output devices. Input devices receive signals or data into the system and include keyboards, mice, webcams, barcode readers, image scanners, and touch screens. Output devices send signals or data from the computer and include display devices like computer monitors, LCD projectors, and printers.
Peripheral devices
Keyboards are external input devices used to type data into computers and include alphabetic, numerical, and symbol keys. They connect to devices via serial or USB ports. Mice are also input devices that send click information to computers and offer an alternative to keyboard interaction. Typical mice have two buttons and a scroll wheel. The motherboard connects all computer parts like the CPU, memory, drives, and ports and acts as the computer's backbone. Processors are microchips that process instructions from software and come from manufacturers like Intel and AMD, with higher gigahertz capacities providing faster processing. Printers are external devices that take computer data and print hard copies of text, images, and photos. Speakers receive audio input from sound cards
PERIPHERAL DEVICES
This document discusses various peripheral devices used in computer systems. It describes input devices like keyboards, mice, webcams, scanners, microphones, and joysticks that provide data to computers. It also covers output devices such as monitors, printers, speakers, headphones, projectors, and fax machines that are used to display or present the results of computer processing. The document provides details on the purpose and common types of each peripheral device.
Peripheral devices
Peripheral devices connect to computers and are controlled by them. They can be either input devices, like keyboards and mice, which allow data to enter the computer, or output devices, like monitors and printers, which allow the computer to present information. Common input devices include keyboards, mice, cameras, and microphones. Common output devices are monitors, printers, and speakers.
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Peripheral devices
Peripheral devices expand the capabilities of a computer but are not part of the core architecture. There are three types: input devices which send data to the computer, output devices which provide output to the user, and storage devices which store processed data. Examples of input devices include keyboards and mice, while monitors and printers are common output devices. Peripherals connect to computers through various connection methods and cabling technologies such as USB, serial, and fiber optic cables.
Peripheral devices by Tahir Yasin
This document defines and describes various common peripheral devices used with computers. It discusses CD-ROMs, the CPU, joysticks, keyboards, LCD displays, mice, printers, speakers, USB ports, and webcams. For each device it provides 1-2 sentences on what the device is and its basic function.
Peripherals
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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The document discusses various components of computer systems, including:
1. Operating systems manage resource allocation and provide an interface between hardware and users.
2. External devices include input devices like keyboards and mice, the central processing unit (CPU), memory for data storage, and output devices like monitors and printers.
3. Internal devices include the motherboard which connects components, sound and video cards for multimedia, and network cards for connectivity.
Computer
Peripheral devices are external hardware devices attached to a computer that are either input or output devices. Input devices receive signals or data into the system and include keyboards, mice, webcams, barcode readers, image scanners, and touch screens. Output devices send signals or data from the computer and include display devices like computer monitors, LCD projectors, and printers.
Peripheral devices
Keyboards are external input devices used to type data into computers and include alphabetic, numerical, and symbol keys. They connect to devices via serial or USB ports. Mice are also input devices that send click information to computers and offer an alternative to keyboard interaction. Typical mice have two buttons and a scroll wheel. The motherboard connects all computer parts like the CPU, memory, drives, and ports and acts as the computer's backbone. Processors are microchips that process instructions from software and come from manufacturers like Intel and AMD, with higher gigahertz capacities providing faster processing. Printers are external devices that take computer data and print hard copies of text, images, and photos. Speakers receive audio input from sound cards
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This document discusses various peripheral devices used in computer systems. It describes input devices like keyboards, mice, webcams, scanners, microphones, and joysticks that provide data to computers. It also covers output devices such as monitors, printers, speakers, headphones, projectors, and fax machines that are used to display or present the results of computer processing. The document provides details on the purpose and common types of each peripheral device.
Peripheral devices
Peripheral devices connect to computers and are controlled by them. They can be either input devices, like keyboards and mice, which allow data to enter the computer, or output devices, like monitors and printers, which allow the computer to present information. Common input devices include keyboards, mice, cameras, and microphones. Common output devices are monitors, printers, and speakers.
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This document discusses computer peripheral devices and their functions. It defines peripheral devices as external objects that provide input and output for computers. It describes several types of input devices like keyboards, mice, scanners, and microphones that feed data into computers. It also discusses various output devices like monitors, printers, and projectors that display or print the computer's output. The document explains how interface chips and decoders help synchronize data transfer between the CPU and input/output devices.
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The monitor displays visual output from the computer. It allows users to interact with the computer by viewing images and text. The motherboard connects and integrates all the computer's components. It contains basic startup software called BIOS. The processor processes all information and performs computations. RAM temporarily stores running programs and data but loses it when powered off. Peripheral devices like keyboards, mice, printers connect to ports on expansion cards that connect to the motherboard. Power supplies provide electrical current to power the computer components and include a cooling fan. Optical drives like CD-ROMs use lasers to store and read digital data. Floppy disk drives store small amounts of data on removable floppy disks.
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The document provides information about computer input and output devices. It discusses different types of input devices including keyboards, mice, scanners, microphones, webcams, and digital cameras. It also covers various output devices such as monitors, printers, speakers, projectors, and photo printers. The summary discusses how input devices capture different types of data like text, graphics, audio, and video, and how output devices present the processed results in forms that are useful to users.
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The document summarizes the main internal and external components of a typical computer system. It describes the hardware components inside the computer tower, including the motherboard, CPU, RAM, hard drive, and expansion cards. It also outlines the main external components, such as the keyboard, mouse, monitor, and common peripherals like printers, scanners, and speakers. The document provides details on the function of each part and how they work together to make the computer system operate.
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A computer consists of a central processing unit (CPU) that carries out program instructions by performing basic operations. A monitor displays the visual output and uses either liquid crystal display (LCD) or cathode ray tube (CRT) technologies. The CPU, along with input devices like a keyboard and mouse, and output devices like printers and speakers, allow a computer to interact with users.
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This document defines and describes various computer peripherals. It discusses output peripherals like monitors and printers that display results, and input peripherals like keyboards and mice that provide data to computers. It also mentions communication peripherals like network cards, storage peripherals like hard drives and CDs/DVDs to store data, and various ports including PS/2, USB, printer, VGA, game, wireless LAN, and audio ports for speakers, headphones and microphones.
Peripherals
This document defines and describes various computer peripherals. It discusses output peripherals like monitors and printers that display results, and input peripherals like keyboards and mice that provide data to computers. It also mentions communication peripherals like network cards, storage peripherals like hard drives and CDs/DVDs to store data, and ports like USB, PS/2, VGA, game and speakers/headphones ports that connect peripherals to computers.
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Educational technology
- 3. There are lots of external devices that you can connect to your computer. All external devices connect to the computer’s system unit via cables and ports (where a "port" is the slot into which you plug a cable). Unless you’re using a portable computer, you probably have several external devices attached to your computer already, including a mouse, keyboard, monitor, microphone, and speakers
- 5. Of all the ports on a computer, USB and IEEE 1394 (a.k.a. FireWire) get all the hype. There are several reasons for this: Both are new technologies, both provide "hot-pluggable" connectivity, both provide very high-speed data transfers. The hot-pluggable part means you can just plug in some device, like a digital camera or video camera, and start using it right away. (The older ports would all require you to shut down the computer, plug in the device, restart the
- 7. system unit is the part of a computer that houses the primary devices that perform operations and produce results for complex calculations. It includes the motherboard, CPU, RAM and other components, as well as the case in which these devices are housed. This unit is also known as a chassis or a tower in layman's terms, and it performs the majority of the functions that a computer is required to do.
- 8. keyboard is a typewriter-style device, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches. Following the decline ofpunch cards and paper tape, interaction via teleprinter-style keyboards became the maininput device for computers. computer mouse is an input device that is most often used with a personal computer. Moving a mouse along a flat surface can move the onscreen cursor to different items on thescreen. Items can be moved or selected by pressing the mouse buttons (called clicking).
- 9. monitor or a display is an electronic visual display for computers. The monitor comprises the display device, circuitry and an enclosure. The display device in modern monitors is typically a thin film transistor liquid crystal display(TFT-LCD) thin panel, while older monitors used a cathode ray tube (CRT) about as deep as the screen size. Universal Serial Bus (USB) is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices.
- 10. A printer is a piece of hardware for a computer. It is a device that must be connected to a computer which allows a user to print items on paper, such as letters and pictures. It can also work with digital cameras to print directly without the use of a computer. Computer speakers, or multimedia speakers, are speakers external to a computer, that disable the lower fidelity built-in speaker. They often have a low-power internal amplifier. The standard audio connection is a 3.5 mm (approximately 1/8 inch) stereo phone connectoroften color-coded lime green (following the PC 99 standard) for computer sound cards.
- 11. headset is headphones combined with a microphone, or one headphone with a microphone. Headsets provide the equivalent functionality of a telephone handset but with hands-free operation. Headsets typically have only one speaker driver, but may also have a speaker for each ear. The Game port is a port that is present on some PC hardware, and hardware similar to it. This port lets the connection of analog devices used to control computer games, such as joysticks.