The technology used by most CRT screens is called:.........................................
Refreshing
Raster-scan
Liquid crystal
Cathode ray
Conversion of digital to analog signals is called:
demodulation
modulation
switching
transference
Laptop, desktop and personal computers are types of ..................................
mainframes
microcomputers
supercomputers
minicomputers
Graphical User Interface (GUI) uses the _______ as its primary input device.
printer
monitor
mouse
keyboard
Gigahertz is used to measure
Mouse speed
Keyboard input speed
CPU clock speed
RAM speed
The process of loading the operating system into the computer and storing it in main memory is called
booting
initializing
formatting
processing
Input hardware of the computer includes everything except
scanner
mouse
keyboard
printer
Another term used to describe computer programs, or program instructions, is ______________________.
Kaardware
Information system
Software
Auxiliary storage
Many computers use a combination of eight bits as a unit for storing data. These eight bits are called ____.
a word
a record
a byte
a field
The capability of Windows to have a number of application windows open at one time is known as
multiple windows
active windows
multitasking
Multivitamin
Which of the following could be termed a 'peripheral'?
CPU
Printer
Internet
Monitor
Which of these types of computer are suitable for use on a train journey?
PC
Laptop
Network server
Mainframe
Which of these is the largest?
1 Terabyte
1 Gigabyte
1 Kilobyte
1 Megabyte
Which of these factors has the greatest impact on a computer's performance?
The size of the screen
The speed of the processor
The amount of ROM
The speed of the printer
Which of these devices is sometimes used instead of a mouse?
CD-ROM
Speaker
Tracker ball
Digital camera
Which of these statements relating to a GUI operating system is not true?
It provides an interface so that the user can communicate with the computer
It allocates processing time to programs currently in RAM
It is normally a very small program
It organises the storage and retrieval of data from disk
Disinfecting a file means:
Downloading a file containing a virus
Spreading a virus to another computer
Removing a virus from an infected file
Cleaning the computer
Which of these is a feature of shareware?
It is free
It is illegal to download it
It can be downloaded for evaluation
It is software you can download and sell to other people
Which of these is not a feature of e-commerce?
Shop assistants can easily be consulted about goods
Goods and services can be purchased from home
Goods and services can be purchased 24 hours a day
The price of goods and services can easily be compared
Which of these does the term 'ergonomics' not refer to?
Furniture
Salary
Lighting
Hardware
Which of these statements is true?
A company's intranet can be accessed by anyone in the world
A company's intranet can be accessed by anyone within that organisation
A company's intranet can be accessed by anyone within this country
A company's intranet can only be accessed by less than 5 people
A URL is:
A uniform result locator
A uniform resource locator
A universal resource locator
A universal re-locator
The Internet is an example of a:
LAN
WAN
PAN
CAN
Which of these statements is false?
Networks can never be used with more than 3 users
Networks can be affected by viruses
Networks allow users to share application programs
Networks allow workstations to share devices like printers
Unprocessed text, numbers, images, audio, and video are considered ____.
data
commands
instructions
information
Anyone who communicates with a computer is called a(n) ____.
programmer
cordless mouse
mechanical mouse
optical mouse
A mouse with a rubber or metal ball on its downrside is called a(n) ____.
trackball
cordless mouse
mechanical mouse
optical mouse
A standard for transmitting information in the form of short-range radio waves over distances of up to 100 feet, and is used for purposes such as wireless connecting a cell phone to a computer is referred to as:
High fidelity.
Broadband.
Bluetooth.
Twisted pair.
Computers used by organizations to perform large and complex computing tasks are known as:
Mainframe computers.
Desktop computers.
Tablet PCs.
Thin Clients.
A ________ is designed to meet the computing needs for several people simultaneously in asmall to medium-size business environment.
mainframe computer
desktop computer
minicomputer
supercomputer
Which of the following device can store large amounts of data?
Zip Disk
Floppy Disk
CD-ROM
Hard Disk
Computer software includes ____
Application programs
Packages
Operating system
All of the abovre.
The only language understood by the computer is
French
English
Java
Machine Code
Which of the following is not a programming language?
Java
MS-Word
Visual Basic
C++
Printers fall into two categories
dot matrix / ink-jet
impact / non-impact
laser / ink-jet
laser / dot matrix
These high performance computers are designed as the most powerful and expensive type of computers:
Super
Mini
Mainframe
Workstation
One Megabyte is equal to ……………….. Kilobytes.
1000
1024
256
8
Devices that are used for long-term saving of information are called:
Storage devices.
Input devices.
Random access memory.
Expansion slots.
When you turn off a computer, information in this type of memory is erased:
ROM.
SMS
RAM.
MMS.
Software that you would use to help you solve a problem is
Application software.
Operating system software.
Utility software.
System software.
The physical parts of a computer system are referred to as:
Hardware
GUI
Programs.
Software
Programs that instruct the computer what to do are called:
Software.
Protocols
GUI
Commands
Which software forms a bridge between the user and the hardware?
Operating system
Visual Basic
Windows Vista
Program
GUI stands
Graphical Usage of Interchange
Graph User Interchange
Graphical Usage of Interface
Graphical User Interface
Magnetic disks, Floppy disks, Magnetic tapes are known as
Control unit
Secondary storage device
Memory
Output unit
Who is known as the father of the computer?
Blaise pascal
Charles Babbage
Abacas
Newton
Which of these factors has the greatest impact on a computer's performance?
The amount of ROM
The speed of the printer
the speed of the processor
The size of the screen
Which of these is the smallest?
1 Megabyte
1 Terabyte
1 Gigabyte
. 1 Kilobyte
Most desktop computer keyboards have ____ keys.
50 to 100
60 to 85
100 to 105
110 to 200
____ look like floppy disks, but they have much greater storage capabilities.
DVDs
CDs
Zip ® disks
Memory cards
Users can perform maintenance-type tasks usually related to managing a computer using a(n) ____.
utility program
operating system
application program
Graphics program
CDs and DVDs are ____.
magnetic media
solid-state devices
optical media
flash memory cards
The COM port is a type of ____ port.
USB
serial
parallel
SCSI
RAM is also called ____.
Flash memory
ROM
Main memory
Cache
Devices such as a keyboard and mouse usually attach to ____ on the system unit by a connector on a cable.
Processors
Adapter cards
Ports
Drive bays
Processors contain a control unit and a(n) ____.
Adapter card
Arithmetic and logical unit
Expansion slot
Port
The small symbol that displays on the screen and moves as you move the mouse is the ____.
pointer
buttons
command
dialog box
A ____ is an example for a storage media.
Pen Drive
Monitor
PC video camera
Modem
The computer's ____ displays text, graphics, and videos on a screen.
System unit
Speakers
Monitor
PC video camera
Personal computers that you can carry from place to place are called ____.
Mainframe computers
Super computers
Mobile computers
Desk top computers
A technology that gives you the ability to send messages containing text, sounds, images, and video from your cell phone to the cell phone of another person is known as a(n):
Short Messaging Service.
Instant messaging.
Chat room.
Multimedia Messaging Service.
A modem is needed for
a computer to connect to a LAN.
all data communications.
digital communication over an analogue telephone network.
a computer to connect to a digital network.
A network which has a host computer that is responsible for managing the LAN is called
a bus network.
a ring network
a star network.
a peer-to-peer network.
Which of the following is not an operating system?
MVS
PS2
Ultrix
Linux
The parts of a computer are connected by collections of wires called
tracks.
networks.
paths.
buses.
The windows OS is popular, because of its
graphical user interface.
command line interface.
keyboard shortcuts.
icons.
Which of the following is a valid example for an e-mail address.
saman/gamage@hotmail.com
samangamage@hotmail.com
saman.gamage.hotmail.com
saman@gamage.@hotmail.com
Incorrect information is generated by ____ in the information system.
unskilled people
unreliable hardware
incorrect data
untested software
A mainframe computer fits ____.
on a desk
on your lap or in your hand
in a small cabinet
in a partial room
Documents on the Web are called ____.
Web pages
Web sites
Web communities
Web tags
The computing phrase ____ means that the accuracy of a computers output depends on the accuracy of the input.
what you see is what you get
information age
garbage in, garbage out
digital divide
The ____ is a global library of information available to anyone connected to the Internet.
neural network
World Wide Web
digital divide
Anytime Anywhere Learning program
A vehicle's ____ can provide directions, dispatch roadside assistance, and track the vehicle if it is stolen.
Computer-aided routing (CAR)
Global Positioning System (GPS)
Vehicle identification number (VIN)
onboard navigation facility
A notebook computer that allows you to write on the screen using a digital pen is called a ____.
PDA
Tablet PC
minicomputer
smart phone
The Internet began with a network called ____, a project started by US Defence Ministry, the Pentagon
MobileNet
ARPANET
Word Wide Web Consortium (W3C)
Internet
The Internet standard that permits file uploading and downloading with other computers on the Internet is called ____.
FTP
POP3
SMTP
TCPIP
You request, or ____, information from a Web server when you enter a Web address.
download
push
pull
copy
____ loses its contents when the computer's power is turned off.
Volatile memory
ROM
Flash memory
Nonvolatile memory
____ is a free business software suite.
OpenOffice.org
Microsoft .NET
TurboTax
Microsoft Works
A segment of a video is called a ____.
still
filter
thumbnail
clip
The process of preparing a disk for reading and writing is known as ____.
fetching
burning
decoding
formatting
With ____, users can pay bills from their computer.
e-retail
online trading
CIM software
online banking
An internet connection that uses analog telephone lines for communications is called a(n) ____ line.
ISDN
dial-up
DSL
T-carrie
The utility that removes a program, as well as any associated entries in the system files, is called a(n) ____.
file manager
disk defragmenter
backup utility
uninstaller
Health-care professionals in separate locations can have live conferences on the computer using ____.
a neural network
distance learning
computer-aided healthcare (CAH)
telemedicine
Computers on a network can share resources, such as ____.
data
software
hardware
all of the above
____ provides high-speed Internet connections using regular copper telephone lines.
Dial-up access
Cable television Internet services
FTP
ADSL
Users can access and view Web pages with a ____
spider
portal
Web browser
search engine
The number system that has just two unique digits, 0 and 1, is called the ____
binary system
analog system
digital system
Octal System
With ____, you have to train the computer to recognize your voice.
speaker-independent software
speaker-dependent software
Speech Recognition softeware
continuous speech
Many ATM machines have ____
digital pens
touch screens
pointing sticks
trackballs
____ uses short-range radio waves to transmit data between two devices at a rate of 1 Mbps.
TCP/IP
Bluetooth
Ethernet
802.11
A CRT monitor is most like a(n) ____.
standard television
LCD monitor
high-definition television
active-matrix monitor
The speed that a monitor redraws the images on the screen is called ____.
access time
redraw rate
refresh rate
bit depth
The person who oversees network operations is the ____.
desktop support specialist
programmar
IT director
network administrator
____ is a type of application software used for communications.
FTP software
Image editing software
Database software
Word processing software
A ____ is a communications device that converts analog and digital signals.
microwave station
smart phone
set-top box
modem
Which of the following is an invalid web address
www.itvalam.blogspot.com
www.madeena@yahoo.com
www.pahamunehouse.org
www.madeena.sch.lk
The services provided by the Internet does not include
FTP
Electronic Mail
Desktop
WWW
. A major reason for the explosive growth of the Internet was the