Device that accepts input,Processes data, produces output and stores information.
Information fed into the Computer system.
To carry out operations on data or programs.
Useful information that leaves the system.
Raw material ready for processing
Data that has been processed and turned into useful facts
Area of the computer that holds data on permanent basis
1 million bytes
1 billion bytes
1 trillion bytes
starting up the computer
A small program on the hard drive that tells the computer how to begin loading programs
Binary or binary 2 numbering system
a method for representing letters or numbers only using two digits, 0 and 1. most basic level of communicating with computers.
A number assigned to each letter and character in the alphabet
Each 0 or 1
Personal computer or microcomputer
A personal computer based on a microprocessor
Personal computer that fits on a desk more power and storage for less cost than a laptop
a portable computer all components contained within the laptop
A desktop computer that is part of a local area network
Large, expensive computer able process data for thousands of users at the same time
Fastest most powerful computers available
provides servicces to other computers over a network
Personal Digital Assistant. Small portable device with network capabilities
A cell phone that offers many features including internet access and applications (apps)
A wireless, portable personal computer hich uses a touchscreen
measures speed of the central processing unit (CPU)
1 million cycles per second
1 billion cycles per second
the basic unit of an image
the amount of pixels on a screen - the more pixel the better resolution