FULL EVALUATION VERIFIED A+
◉ peripheral device for recording, storing, and retrieving
information. Answer: disk drive
◉ enclosure containing the computer's main components. Answer:
CPU case
◉ main circuit board containing connectors for attaching additional
boards. Answer: motherboard
◉ communication interface through which information is
transferred one bit at a time. Answer: serial port
◉ interface between a computer and a printer that enables the
computer to transfer multiple bits of information to the printer
simultaneously. Answer: parallel port
◉ send data and information to the computer. Answer: input devices
◉ examples of input devices:. Answer: keyboard, mouse, touch
screen, light pen
,◉ stores data and information and is usually ______. Answer: main
memory
volatile - contents are lost when electrical power is turned off
◉ holds data when computer is off. Answer: secondary memory (
nonvolitle)
◉ volatile memory - data can be read from and written to. Answer:
RAM (random access memory)
◉ resides on the processor. stores recently accessed memory so the
processor is not waiting for the memory transfer. Answer: cache
RAM
◉ nonvolatile; data cant be written to ROM. Answer: read - only
memory (ROM)
◉ 3 types of secondary data:. Answer: magnetic disk, magnetic tape,
optical discs
◉ used for random access processing. can be accessed in any order.
Answer: magnetic desk
, ◉ resembles a cassette tape and stores data sequentially. Answer:
magnetic tape
◉ uses laser beams to access and store data. Answer: optical dsics
◉ collection of disk drives used for fault tolerance and improved
performance. Answer: redundant array of independent disks (RAID)
◉ dedicated high speed network consisting of both hardware and
software used to connect and manage shared storage devices.
Answer: Storage area network
◉ network-connected computer dedicated to providing file-based
storage services to other network devices. Answer: network
attached storage ( NAS )
◉ Computer and all the software for managing network resources
and offering services to a network. Answer: server
◉ all the programs that run a computer system. Answer: software
◉ set of programs controlling and managing computer hardware
and software. Answer: operating system