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Transcript of Unit 3
Software is computer software designed to help the user to perform singular or multiple related specific tasks CompactDisc (aka CD) a small plastic disc on which music or other digital information is stored and from which the information can be read using reflected laser light is What is a compact disc on which you can write only ONCE and thereafter is read-only memory? If you said compact disc-recordable or CD-R, you are correct! What is a compact disc format that allows repeated recording on disc? compact
CD-RW What is the most common computer memory which can be used by programs to perform necessary tasks while the computer is on? Random
RAM What is a connection technology for attaching peripheral devices to a computer, providing fast data exchange? Universal
USB What is memory whose contents can be accessed and read but cannot be changed? Read-Only Memory
ROM What is the television-like object that displays images generated by a computer? Hmmm....that answer would be:
a monitor! The machines, wiring, and other physical components of a computer or other electronic system is called? hardware Unit
3 What is a device that allows a computer to read from and write to computer disks? Answer:
disk drive This is the computer chip primarily responsible for executing instructions Central Processing Unit
CPU The ____ _____ is a high-capacity, self-contained storage device containing a read-write mechanism plus one or more hard disks inside a sealed unit. hard
drive This is the panel of keys that operates a computer or typewriter. keyboard The ________________ is a printed circuit board containing the principal components of a microcomputer or other device with connectors into which other circuit boards can be slotted. motherboard This small hand-held device is dragged across a flat surface to move the cursor on a computer screen, typically having buttons that are pressed to control computer Eeeeek!! It's a mouse! What is software, consisting of programs and data, that runs on computers, manages computer hardware resources, and provides common services for execution of various application software? operating system software
OS What machine is used for printing text or pictures onto paper? That would be a printer! What is a video camera that inputs to a computer connected to the internet so that its image can be seen by internet users? Somebody is watching you! Webcam!