Discovering Computer 2008
Transcript of Discovering Computer 2008
![Page 1: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/1.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 1/18
![Page 2: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/2.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 2/18
What Is Input? What Is InputInput device is anyhardware component tha
allows users to enter datand instructions
Data or instrutionentered into memory of computer
![Page 3: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/3.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 3/18
What Is Input?• What are the two types of input?
Data
Unprocessed text,numbers,images,audio,
and video
Instructions
Programs
Commands
User responses
![Page 4: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/4.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 4/18
How is the keyboard divided?
Typing areaNumeric keypad
Function keys,special keys that issue
commands
![Page 5: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/5.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 5/18
![Page 6: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/6.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 6/18
What is a mouse?•
Poiting device that fits under palmpf hand
• Pointing devide controls movement
of pointer
• Mechanical mouse has rubber or
metal ball on underside
![Page 7: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/7.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 7/18
•What is an optical mouse?• No moving mechanical parts inside
• Senses light to detect mouse’s movement• More precise than mechanical mouse
• Connects using a cable,or wireless
![Page 8: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/8.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 8/18
Other pointing devices
•What is a trackball?
• Stationary pointing device with
a ball on its top or side
• To move pointer,rotate ball
with thumb,fingers,or palm of
hand
![Page 9: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/9.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 9/18
![Page 10: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/10.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 10/18
Other poitingdevices
What is a touchscreen?
• Touch areas of screen with finger
• Often uses with kiosks
![Page 11: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/11.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 11/18
• Looks like a ballpoint pen,but usespressure to write text and draw lines
• Used with graphics tablets,flat electronic
boards
![Page 12: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/12.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 12/18
What is voice input?
• The process of entering input
by speaking into a microphone
• Voice recognition is thecomputer’s capability of
distinguishing spoken words
![Page 13: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/13.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 13/18
What is digitalcamera?Allows you to take digital
picturesImages viewable
immediately on camera
•Download to camera
•Post pictures to web
![Page 14: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/14.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 14/18
What is video input?• Process of entering full-motion images into
computer
• Video capture card is adapter card that
converts analog signal into digital signalthat computer can use
• Digital video(DV)camera records video as
digital signals
![Page 15: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/15.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 15/18
What is a PC videocamera and a web
cam?• PC video camera is used to
capture video and still images,and
to make video telephone calls oninternet
• Also called PC camera
• Web cam-video camera whose
output displays on a web page
![Page 16: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/16.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 16/18
What is scanner?• Light-sensing device that reads
printed text and graphics
• Used for image processing,converting paper
documents into electronic images
![Page 17: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/17.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 17/18
![Page 18: Discovering Computer 2008](https://reader030.fdocuments.us/reader030/viewer/2022021323/577dae581a28ab223f9058e2/html5/thumbnails/18.jpg)
8/14/2019 Discovering Computer 2008
http://slidepdf.com/reader/full/discovering-computer-2008 18/18
Nurhani Farhanah
Fairuz Hazwani
Mohd. Nazrin
Marvelleryne Rami
Nur Khairunisa