computer concepts Flashcards
categories of computers are
personal computers
handhelds
mainframes and supercomputers
electronic device that accept info and instructions from a user, manipulates the info according to instructions, displays the info in some way, and stores the info for later retrieval.
computer
used by large businesses, government agencies.
mainframes/ supercomputers
computer system is made up of
hardware and software
physical components
hardware
the programs or data routines
software
the design or construction of the computer
architecture or configuration
located inside the computer. its the main electronic component of the computer. contains the CPU
motherboard
accomplish the input, output, and storage devices.
peripheral devices
silicon chip designed to manipulate data.
processor, CPU, central processing unit.
temporary memory that constantly changes while computer is on.
Can upgrade the memory capacity.
RAM. random access memory
special high-speed memory on the motherboard or microprocessor. stores frequently and recently accessed data and commands.
cache memory
extra memory that stimulates RA if more is needed.
virtual memory
permanent storage location for a set of instructions the computer uses.
ROM read only memory
semi permanent and stores info such as date, time, and system parameters.
CMOS memory
