Computers IT Flashcards
What is a computer?
an electronic device for accepting input,storing and processing data according to variable instructions given.
What is a personal computer?
a computer that can perform all of its input,processing,output and storage activities by itself.
example of a personal computer
desktop
What is a mobile computer?
a computer that can be carried from place to place.
what is the most popular mobile computer?
laptop computer and notebook
What is a mobile device?
devices which are small enough to be carried in a pocket
examples of mobile device
handheld computer(ipod/gps)
phone
pda
What does a server do?
controls access to the hardware,software and other resources on a network and provides centralized storage area for programs ,data and inormation
What is a mainframe?
It is a large,power ,expensive computer that can handle hundreds/thousands of connected users simultaneously.
What is a supercomputer?
The fastest most powerful computer and most expensive
What is an embedded computer?
A special-purpose computer and the most expensive
Where can a supercomputer be used?
medicine,aerospace,online banking,weather forecasting,petroleum ,automative design and nuclear energy research
Everyday products of an embedded computer
CCTV
ECM
process controller
printer
digital cameras
