1.Answer
the following questions in one or two sentences each:
(1)
What is a multimedia computer?
Ans. A multimedia computer system integrates
two or more types media such as text, images and video.
(2) State the hardware and software you
need in you need in your computer to run multimedia applications.
Ans. Multimedia
hardware’s are speaker, microphone, CD Drive m sound card, video or input card
and camera.The multimedia software’s are sound recorder and media player.
(3)
What is sound recording?
Ans. The process of recording sound in to a
computer with the help of a microphone and sound record
(4)
What is the use of a compact disc?
Ans
. Compact disc help as to store and retrieve data.
(5) What is meant by scanning a picture?
Ans. The process
of capturing a picture as a grid of small and converting the colour information
of each dot in to
the digital languages of a
computer is called scanning.
(6) What are the advantages of a scanner ?
Ans. We can scan
a picture to the computer . And we can edit the picture as we like. And we can
send the picture via email. or we can or we can print the picture when we need.
(7) Write in brief the construction of a
flat-bed scanner.
Ans. A flat-bed
scanner is a rectangular box with a flat transparent glass top with scanning
lamp and scanner strip. The top cover protected
the scanner from dust and scratches.
(8) State the different types of scanners
available.
Ans. Hand hold
scanner- we can hold this scanner in our
palm.A4 size scanner - it is a flatbed scanner like photo copies.Half imperial
size scanner: - It can scan big posters and floor plans.
(9)
What precautions will you take while using a scanner?
Ans.
Keep scanner tree from dust. Don’t make scratches on the glass top.
When you scan
close the top cover.
2.
Name the following :
(1)
The language which is computer understands. DIGITAL
(2)
An input device to record your voice. MICROPHONE
(3) The piece of
hardware to which the loudspeakers or headphone must be connected. SOUND CARD
(4) The piece of
hardware you will need to see television programs on your computer`s monitor.TV TUNER CARD
(5)
The Windows software to play back sound. WINDOWS MEDIA
PLAYER
3.
State whether the following statements are true or false :
|
Statements
|
Answer
|
|
(1)
A motion picture cannot be viewed on a multimedia computer
|
False
|
|
(2)
Many headphones have an attached microphone.
|
False
|
|
(3)
A CD is a device to store information.
|
True
|
|
(4)
Your cannot watch a movie using Media player.
|
False
|
|
(5)
You cannot adjust the playback volume in Media player.
|
False
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|
(6)
A Low-power laser light is used to write on a writable compact disc.
|
True
|
|
(7)
A microphone is used for listening to digitally recorded sound.
|
False
|
|
(8)
A computer understands only the digital language.
|
True
|
|
(9)
The device used to input a picture into a computer is called the paint.
|
False
|
|
(10)
Scanner is an output device.
|
False
|
4.
Fill in the blanks :
(1)The
WMP
utility in Windows Accessories is used for running an audio CD.
(2)For
recording sound, there must be SOUND CARD in the system units.
(3)The amount of
the scanner light reflected from a picture is sent to the computer in a DIGITAL language.
(4)The
resolution of a picture is measured in units of DPI
(5)Good
scanning resolutions are obtained with a 300 DPI
to a 8000 DPI scanner.
5.
State briefly the use of the following :
(1) Sound card : Sound card is an electronic create required
to input and output the sound in a computer.
(2)
TV Tuner card : It is used to connect TV signals to a computer.
(3)
Mute button in Media player : Mute
button is used to stop the sound.
(4) Shuffle button in Media Player : It
is used to re-order the play list of the media player.