Devices

Devices

1. Output

   • printer
     • Printer is connected to computer and when you have file on computer you can print that file or picture
   • speakers
     • Speakers are connected to computer and they give sound when you watch video on computer or when you listen music
   • hesdphones
     • When you want to listen a music or watch the video you need to connect the head phones to computer and they are instead speakers
   • monitor
     • Monitor display that what we do on computer
   • projector
     • Projector display that what is on computer monitor on big screen

2. Input

   • keyboard
     • A computer keyboard is used to enter characters and functions into the computer system by pressing buttons, or keys. It is the primary device used to enter text. A keyboard typically contains keys for individual letters, numbers and special characters, as well as keys for specific functions.
   • mouse
     • A 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 on-screen cursor to different items on the screen. Items can be moved or selected by pressing the mouse buttons.
   • microphone
     • A device that converts sound waves into analogous electrical waves. Usually called a "mic" or "mike," it contains a flexible diaphragm composed of film or foil that vibrates as it makes contact with the sound. The diaphragm movement modulates an electrical current by various methods.
   • touch screen
     • A touch screen allows the user to interact with a device without a mouse or keyboard and is used with smartphones, tablets and sometimes in computer screens.

3. Storage

   • disc
     • Disc is device on which we storage downloaded from computer for example photos and videos e.t.c.
   • SD card
     • SD card is like memory card you can save on that card photos, videos, music and e.t.c.
   • USB stick
     • USB stick is like disc because you can save on there this same things which you have on disc
   • SIM card
     • A smart card inside a mobile phone, carrying an identification number unique to the owner, storing personal data, and preventing operation if removed.

4. Processing

   • hard drive
     • Hard drive is in computer and that drive processing everything what we do
   • sound card
     • Sound card is a device which can be slotted into a computer to allow the use of audio components for multimedia applications.
   • graphics processing unit (GPU)
     • A graphics processing unit (GPU) is a computer chip that performs rapid mathematical calculations, primarily for the purpose of rendering images.
   • central processing unlit (CPU)
     • CPU (pronounced as separate letters) is the abbreviation for central processing unit. Sometimes referred to simply as the central processor, but more commonly called processor, the CPU is the brains of the computer where most calculations take place.
   • DVD
     • DVD is used for saving videos, pictures, films or musics

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