Lesson 1Understanding Computers and Computer Literacy

stripeoddElectronics - Devices

Nov 8, 2013 (3 years and 11 months ago)

193 views

Lesson 1

Understanding Computers and Computer Literacy


TRUE/FALSE



1.

A computer is an electronic device.


2.

Computers receive and process data and then output information.


3.

If data is entered correctly, error
-
free results are produced.


4.

Multiplication is an arithmetic operation that can be performed by a computer.


5.

PCs are the least popular kind of computer today.


6.

Another name for a mid
-
range server is supercomputer.


7.

A notebook computer usually is larger than a personal compute
r.


8.

A mainframe computer is the fastest type of computer.


9.

The two basic types of software are systems software and GUIs.


10.

Electronic communication is the technology that enables computers to communicate with each other.


11.

A network is a group

of two or more computer systems linked together via communication devices.


12.

Computers always have communicated with each other, even when they were first developed.


13.

The Internet was originally developed by business interests.


14.

Anyone on the
Internet can access an extranet.


15.

It is assumed that computers of the future will be more powerful and more expensive.

MULTIPLE CHOICE



1.

The first Apple computer was built in ____.

a.

1957

c.

1976

b.

1967

d.

1987



2.

Which is NOT part of a
computer system?

a.

mainframe technology

c.

hardware

b.

people

d.

data



3.

A computer ____.

a.

produces a result

c.

creates memory

b.

files definitions

d.

displays storage



4.

Which is an arithmetic operation?

a.

equal to

c.

greater than

b.

addition

d.

retrieval of a number



5.

An advantage of using a computer is ____.

a.

speed

c.

storage

b.

accuracy

d.

all of the above


6.

The information processing cycle consists of ____.

a.

input

c.

storage

b.

output

d.

all of the above



7.

Computers, such
as notebook computers and tablet PCs, are also called ____.

a.

mobile computers

c.

supercomputers

b.

microcomputers

d.

mainframe computers



8.

A ____ is a large computer capable of supporting thousands of users.

a.

notebook computer

c.

PDA

b.

microcomputer

d.

mainframe computer



9.

General
-
purpose computers are divided into ____ categories.

a.

two

c.

four

b.

three

d.

five



10.

Most software has a ____ interface.

a.

command
-
line

c.

combination command
-
line and graphical user

b.

graphical
user

d.

none of the above




11.

When you turn on a networked computer, you will most likely need to enter a ____.

a.

username

c.

home address

b.

password

d.

both a and b



12.

A(n) ____ is a small image that represents a file, a command, or another
computer function.

a.

mouse

c.

icon

b.

port

d.

spacebar



13.

The Notepad software application is located under the ____ category.

a.

Accessories

c.

Mainteinance

b.

Browsers

d.

Internet Explorer


14.

Computers that allocate resources are called ____.

a.

nodes

c.

protocols

b.

clients

d.

servers



15.

A(n) ____ is a network for the exclusive use of workers within an organization.

a.

Internet

c.

intranet

b.

extranet

d.

node



COMPLETION



1.

In 1971, Dr. Ted Hoff developed the ____________________.


2.

In the year ____________________, Dr. John Atanasoff and Clifford Berry designed the fi
rst electronic
digital computer.


3.

In a computer system, the ____________________ is the tangible, physical equipment.


4.

A(n) ____________________ is an electroni
c device that receives and processes data and produces
information.


5.

In a computer system, ____________________ is the intangible set of instructions that tells the
computer what to do.


6.

A computer system comprises people, hardware, software, and ___
_________________.


7.

____________________ operations include adding, subtracting, and dividing numbers.


8.

A(n) _________________________ is the type of computer used at home or the office by usually one
person.


9.

____________________ computers are us
ed to control devices such as dishwashers and airport radar
systems.


10.

A(n) ____________________ computer is designed so that all components fit on or under a desk.


11.

A(n) ____________________ is the fastest type of computer.


12.

___________________
_, or rules, govern the orderly transfer of data within data communications.


13.

In electronic communication, the ____________________ is the media that carries the message.


14.

____________________ allow outside organizations to access internal informat
ion systems of other
organizations.


15.

A(n) ____________________ is a network for the exclusive use of workers within an organization.


16.

The ____________________ is the world’s largest network.


17.

The ____________________ is one of the more popular
segments of the Internet.


18.

Computers in the future will be more ____________________ and less ____________________.


19.

One of the major changes in the evolution of computers will be ____________________.


20.

____________________ is the knowledge an
d understand
ing of computers and their uses.