問題一覧
1
is a programmable, multiuse machine that accepts data and processes it into useful information.
computer
2
The term "information technology," or "infotech," refers to the combination of computer and _______ technologies.
communication
3
is a communications system connecting two or more computers.
network
4
The term ________ encompasses not only the online world and the internet but also the entire wired and wireless world of communications.
cyberspace
5
is a worldwide network that connects hundreds of thousands of mailer networks.
internet
6
the word _______ refers to technolory that presents information in more than one medium, such as text, still images, moving images, and sound.
multimedia
7
are computer depiction of humans representing imaginary customers and coworkers
avatar
8
We use the term ______ to mean "computer-based."
digital
9
are automatic devices that perform functions ordinarily performed by humans.
robots
10
means that something is created, simulated, or carried on by means of a computer or a computer network that also seems almost real.
virtual
11
The technology that consists of electromagnetic devices and systems for communicating over any distance is called
communication technology
12
Which of the following is NOT a form of communications technology?
books
13
A communications system connecting two or more computers is called a(n)
network
14
A central computer that holds collections of data and programs for connecting or supplying services to PCs, workstations, and other devices is called a
server
15
When a user enters monthly bills into a family finance computer program, these amounts are considered to be
input date
16
The computer circuitry that temporarily holds data waiting to be processed is known as
primary storage
17
The results of a computer's processing are called
output
18
Which of the following is NOT an output device?
keyboard
19
Processing data from the U.S. Census requires what type of computer?
supercomputer
20
uses molecule-size structures to create tiny machines for holding data or performing task
nanotechnology
21
A computer converts information into data by processing or manipulating it.
false
22
The term "infotech" consists of electromagnetic devices and systems for communicating over a distance,
false
23
Personal computers are a part of information technelogy.
true
24
A network is a communications system consisting of only two computers.
false
25
the term "online" means using a computer or other information device connected through a network to access information and services from another computer or information device.
true
26
email stands for express mail.
false
27
Bps stands for bandwidth per second.
false
28
The internet we use is the mother of all networks, that is the software connecting hundreds of thousands of smaller networks.
false
29
Mierocomputers uses molecule-sized structures that are used for holding data or performing tasks.
false
30
The word server describes not a size of a computer but rather a particular way in which a computer is used.
true