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Computer Concepts Ch 2 Computer Hardware
Terms in this set (20)
PPM (pages per minute)
A measurement of printer speed.
A digital pen.
The main circuit board inside the system unit.
Random-Access Memory (RAM)
Memory in a computer used to store the essential parts of the operating system while the computer is running.
Read-Only Memory (ROM)
Nonvolatile chips that permanently store data or programs.
Smallest unit of data that a binary computer can recognize or manipulate at one time.
Dots per inch (dpi)
The quality measurement of scanned images for optical resolution.
Radio-frequency identification (RFID)
Technology that can store, read and transmit data located on tags that contain a tiny computer chip and radio antennae.
Optical character recognition (OCR)
The ability for a computer to recognize text characters.
Output device that forms images with toner powder.
Central Processing Unit (CPU)
Also known as the processor; it's the main processing device that performs calculations needed to control the computer's operations.
Plug and Play Standard
Computer automatically configure new devices as soon as they are installed and the computer is powered up.
Arithmetic/Logic Unit (ALU)
Component on the CPU that performs arithmetic integers and logical operations.
External hard drives
Magnetic drives such as USB flash drive and solid state drive (SSD) or flash memory cards.
any piece of equipment that is used to enter data into a computer.
Rectangular pad found on notebook or netbook computers in which the fingertip slides to move the on-screen pointer.
most common form of an output device
smallest color area on a display device.
Magnetic hard drive that contains round pieces of metal.
smallest unit that can be manipulated as a unit by the CPU (measured in bytes)
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