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38 Cards in this Set
- Front
- Back
Perform
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Execute, do
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Word processor
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Program used for text manipulation
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Online
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Connected to the internet
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Download
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Copy files from a server to your PC or your mobile
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Built-in
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Integrated
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Digital
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Describes information that is recorded or broadcast using computers
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Store
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Keep, save
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Financial
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Monetary
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Monitor
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Screen
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Data
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Collection of facts or figures
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Hardware
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Any electronic or mechanical part you can see or touch.
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Software
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Set of instructions, called a program, which tells the computer what to do.
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Central processing unit (CPU) AKA Processor
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Its function is to execute program instructions and coordinate the activities of all the other units.
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Main memory
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holds the instructions and data which are being processed by the CPU.
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Peripherals
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The physical units attached to the computer. They include storage devices and input/output devices.
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Storage devices
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Provide a permanent storage of both data and programs.
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Disk drive
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Used to read and write data on disks.
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Input devices
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Enable data to go into the computer's memory.
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Output devices
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Enable us to extract the finished product from the system.
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Ports
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Rear panel of the computer, which we can plug a wide range of peripherals.
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Mouse
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Input
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Keyboard
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Input
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Monitor
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Output
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Printer
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Output
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Control Unit (CU)
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examines the instructions in the user's program, interprets each instruction and causes the circuits and the rest of the components - monitor, disk drives, etc. - to execute the functions specified.
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Arithmetic logic unit (ALU)
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Performs mathematical calculations (=,-,etc.) and logical operations (AND,OR,NOT).
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Registers
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High-speed units of memory used to store and control data.
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System clock
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sends out signals at fixed intervals to measure and synchronize the flow of data.
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Clock speed
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Measured in gigahertz (GHz).
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RAM (Random Access Memory)
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volatile - that is, its information is lost when the computer is turned off.
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ROM (Read Only Memory)
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non-volatile, containing instructions and routines for the basic operations of the CPU.
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BIOS (Basic Input Output System)
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Uses ROM to control communication with peripherals.
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DIMMS (Dual In-line Memory Modules)
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Extra chips, usually contained in small circuit boards.
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Motherboard
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The main circuit board inside your system.
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Buses
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Electrical channels which allow devices inside the computer to communicate with each other.
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Bus width
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The size of the bus.
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Expansion slots
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Allows users to install Expansion cards.
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Expansion card
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Adds features like sound, memory and network capabilites.
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