of
examples real security and privacy risks include hackers, viruses,
and identity theft.
A process known as data mining is used by large retailers to study
trends. To do this, point-of-sale terminals (formerly known as cash
registers) are often connected to complex inventory and sales
computer systems.
The ability to recover and read deleted or damaged files from a
criminal's computer is an example of a law enforcement specialty
called computer forensics.
Surgeons can perform delicate operations by manipulating devices
through computers instead of manually. This technology is known
asrobotics, because the devices they are manipulating are computer
controled robots.
Nanoscience is the study of molecules and structures whose size
ranges from 1 to 100 nanometers.
Artificial intelligence (AI) is the science that attempts to produce
machines that display the same type of intelligence that humans do.
data that has been organized or presented in a meaningful fashion is
called information
The term bit is short for binary digit.
A string of eight 0s and 1s (or 8 binary digits) is called a byte.
A gigabyte is approximately one billion bytes.
A megabyte is approximately a million bytes.
A kilobyte is approximately one thousdand bytes.
Hardware is any part of the computer that you can physically touch.
The components process that data are located in the system unit
of the computer.
The following are examples of input devices
keyboard
mouse
scanner
web cam
microphone
bar code scanner
The following are examples of storage devices
floppy disk drives
hard disk drives
CD drives
DVD drives
USB keys (flash drive)
The central processing unit (CPU) also called the "brains" of the
computer, is responsible for processing data.
Word processing, spreadsheet, and photo-editing are examples of
application software.
Servers are computers that provide resources to other computers
connected to a network
The difference between people with access to computers and the Internet
and those without this access is known as the digital divide.
A byte can hold one character of data.
The op...