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Input, output, storage device


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Notes for ICTL Form 1. Credit to Pusat Perkembangan Kurikulum, Kementerian Pelajaran Malaysia

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Input, output, storage device

  2. 2. INPUT DEVICESInput devices are any electronics devices connected to a computer thatproduce input signals A keyboard is an example of input devise for text input A scanner is an example of input device for graphical as well as text input
  3. 3. A microphone is an example ofinput device for audio inputA webcam is an example of aninput device for video inputA mouse is also an input devicebut it is called a pointing deviceused to input data into acomputer
  4. 4. OUTPUT DEVICESOutput devices is hardware that is capable of delivering or showinginformation to one or more users. An output devise displays, prints andpresents the results of a computer’s work.
  5. 5. STORAGE DEVICESWhat is Computer Storage?Information and documentsare stored in computer storageso that it can be retrievedwhenever they are neededlater onComputer storage is the storingof data in electromagnetic formto be accessed by a computerprocessor.
  6. 6. TYPES OF COMPUTER STORAGE1. Primary storage2. Secondary storage PRIMARY STORAGE  Primary storage is the main memory in a computer. It stores data and programs that can be accessed directly by the processor.  2 types of primary storage a. RAM b. ROM