| А
| В
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| 1 expansion card
| a) the main electronic circuit board inside a computer that holds and connects together all the main electronic components
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| 23gigabyte
| b) a unit of frequency equal to 1 million cycles per second
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| 3motherboard
| c) acronym for random access memory – memory that can be read and written to by the processor
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| 4expansion slot
| d) the memory used to store graphics data on a graphics card
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| 5 port
| e) an electronic circuit board used for adding facilities to a computer
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| 6kilobyte
| f) designed so that components can be added to improve the features or performance of the system
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| 7cache memory
| g) the small connector at the back of the system unit of a PC that is used to connect the monitor to the graphics card
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| 8 Megahertz
| h) a connector at the back of a system unit of a PC that is used for connecting external devices to the CPU
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| 9Byte
| i) a long connector at the back of a system unit of a PC that is often used to connect a printer to the CPU
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| 10 RAM
| j the main electronic chip in a computer. It can be thought of as the “brain” of the computer because it does the main processing and controls the other parts of the computer. It is sometimes called the CPU.
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| 11serial port
| k) a capacity of 230 bytes, i.e. 1024 megabytes
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| 12power supply
| l) a capacity of 210 bytes, i.e. 1024 bytes
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| 13 chip
| m) high speed memory used to speed up a computer
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| 14memory slot
| n) a unit of capacity. It is made up of eight bits and stores one character, i.e. a letter, a number, a space or a punctuation mark
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| 15graphics card
| o) common name for a microchip
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| 16 loudspeaker
| p) the type of mouse that is connected to the serial port at the back of the system unit of a PC
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| 17Microprocessor
| q) a connector on the motherboard of a computer that enables extra memory chips attached to a small memory board to be added.
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| 18parallel port
| r) the small connector at the back of the system unit of a PC that is used to connect a serial device such as a serial mouse or a modem. Two serial ports labeled COM1 and COM2 are usually provided on a PC
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| 19serial mouse
| s) an expansion board containing electronics for controlling the computer output to a monitor
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| 20 video(VGA) port
| t) a sound output device
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| 21video memory
| u) the electrical component that provides filtered mains electricity at the correct voltage for a computer
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| 22 upgradable
| v) a long thin connector that is used for adding additional electronics in the form of expansion cards
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