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WEEK 2 UNIT ONE VOCABULARY

WEEK 2 UNIT ONE VOCABULARY. BUS: A set of conductors which connect the functional units in a computer. It is called a bus because it travels to all destinations. Local busses that connect elements within the CPU and external busses which connect the computer to external memory. CLOCK:

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WEEK 2 UNIT ONE VOCABULARY

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  1. WEEK 2 UNIT ONE VOCABULARY

  2. BUS: A set of conductors which connect the functional units in a computer. It is called a bus because it travels to all destinations. Local busses that connect elements within the CPU and external busses which connect the computer to external memory. • CLOCK: A pulse of electricity passed through by wire alternating between high and low voltages. The speed of the clock is measured in terms of Megahertz. • HARDWARE: The hardware is the physical part of a computer system; the machinery and equipment.

  3. ICON : a small picture on the screen which represents something . • INPUT/OUTPUT DEVICE: A peripheral device that is used to enter commands or information into a computer, such as a keyboard, mouse, joystick, modem, scanner, or touch screen. A peripheral through which information from the computer is communicated to the outside world; for example, a display screen, printer, or speakers. • MAINFRAME: A "mainframe" originally meant the cabinet containing the central processor unit of a very large computer. After minicomputers became available, the word mainframe came to refer to the large computer itself.

  4. ICON a small picture on the screen which represents something • INPUT/OUTPUT DEVICE A peripheral device that is used to enter commands or information into a computer, such as a keyboard, mouse, joystick, modem, scanner, or touch screen. A peripheral through which information from the computer is communicated to the outside world; for example, a display screen, printer, or speakers. • MAINFRAME A "mainframe" originally meant the cabinet containing the central processor unit of a very large computer. After minicomputers became available, the word mainframe came to refer to the large computer itself.

  5. MICRO CHIP : Also called microelectronic A device comprising many miniature transistors and other electronic components on a single thin rectangle of silicon or sapphire. • NETWORK: A group of interconnected computers, including the hardware and software used to connect them. • OPERATING SYSTEM: The main control program of a computer that schedules tasks, manages storage, and handles communication between hardware and applications. • PERIPHERAL : Any piece of hardware connected to a computer .

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