ICT reviewer test tomorrow

• Computer


  Electronic device operating under the control of instructions stored in its own memory
• Basic Computer Operations


  1. Accepts data

  2. Processes data into information

  3. Produces and stores results
• Input


  Data you entered into the computer using input devices for processing
• Input Devices


  • Scanner
  • Digital Camera
  • Keyboard
  • Mouse
  • Web Cam
  • Microphone
• Process


  Inside the computer system unit are processor, random access memory (RAM) or often called as memory, and the hard disk
• Output


  Result produced by the processor, usable information in the form of numbers, words, graphs, charts
• Output Devices


  • Printer
  • Speaker
  • Monitor
• Workstation


  • High-end personal computer designed for technical or scientific applications
  • Intended primarily to be used by one person at a time
  • Commonly connected to a local area network and run multi-user operating system
• Desktop computer


  • Come in a variety of styles ranging from large vertical tower case to a small form factor models
  • The term 'desktop' refers specifically to a horizontally-oriented case, usually intended to have the display screen placed on top to save space on the desk top
  • Most modern desktop computers have separate screens and keyboards
• Laptop


  • Small personal computer designed for portability
• Tablet PC


  • Notebook or slate-shaped mobile computer
  • Touchscreen or graphics tablet/screen hybrid technology allows the user to operate the computer with a stylus or digital pen, or a fingertip, instead of a keyboard or mouse
• Netbook


  • Small, light and inexpensive laptop computers suited for general computing and accessing web-based applications
  • Often marketed as "companion devices," that is, to augment a user's other computer access
• Pocket PC


  • Handheld-sized computer (personal digital assistant) that runs the Microsoft Windows Mobile operating system
  • May have the capability to run an alternative operating system like NetBSD or Linux
  • Has many of the capabilities of modern desktop PCs
• Basic Parts of Computer


  • Monitor
  • System Unit
  • Mouse
  • Keyboard
• Monitor


  Electronic visual display for computers, displays viewable images generated by a computer without producing a permanent record
• Types of Monitor


  • CRT Monitors
  • LCD Monitors
  • LED Monitors
• System unit


  Case that contains electronic components of the computer used to process data
• Mouse


  Device that controls the movement of the cursor or pointer on a display screen
• Keyboard


  Primary input device used with a computer, composed of different buttons with specific function, letters, numbers, and symbols