Worksheetsgrade 9 input and output
Total questions: 20
Worksheet time: 6mins
Which one is the INPUT device ?
CRT Monitor
Printer
Numeric keypad
Speakers
Which one is the OUTPUT device?
Monitor
Mouse
Keyboard
Scanner
What is the function of a CPU?
Display output
Process instructions
Input data
Store data
If someone use keyboard too frequent, they may get an injury. Which one?
RSI (Repetitive strain injuries)
Broken Fingers
Ingrowing Nails
Cancer
What type of injury can result from prolonged use of a mouse?
Carpal Tunnel Syndrome
Back Pain
Neck Pain
Eye Strain
When using ATM (automatic teller machines) , a person will input their PIN in....
Keyboard
Input machine
Number buttons
Numeric keypad
This device is similar to mouse, except that a ball is on the top or the side of the device. What is it ?
Super Ball Device
Tracker Ball
Touchpad
Optical mouse
A remote control is used for the operation of other devices using ..............
Infrared signals
Wi-fi
Bluetooth
Morse code
This device have similar functions to a mouse and a trackerball. By gripping the stick, a pointer on the screen can be controlled. Usually used in a video/computer games
Magic Wand
Light pen
Mouse Stick
Joystick
With this, the user can choose an option by simply tapping a button / icon on the screen.
(a)
This device used to enter information from a hardcopy (example: photographs, documents)
Printer
Scanner
Photocopy machine
Monitor
This device used to capture a picture, and store it inside their memory cards.
(a)
Which one is the disadvantages of using microphone?
Faster to read in text than to type using a keyboard
Can be use for voice activation system
Voice recognition software is not as accurate as typing manually
Microphone may capture other noise from our environment
There are 2 kind of monitors, which is :
CRT and LCD
CTR and LCD
LED and LCD
FLAT and LCD
DDE Devices are used to input data into a computer without much human interaction.
Example : Barcode reader.
What is DDE ?
Direct Data Entries
Decimal Data Encryption
Dimensional Data Entries
Direct Data Encryption
RFID (Radio frequency identification) use radio wave to read and capture information stored in a tag.
It can read from a distance of several meters, and works like a barcode.
What is the example of uses of RFID ?
Listening radio or jazz music on our home
A tools that use to analyze stock market and cryptos
Toll system automatically collect a fee from any vehicle pass by
An infrared light used by a sniper to hunt animals in the wild
OMR (Optical mark recognition) is a device which can read marks written in a pen / pencil on a form.
Which is the most efficient and suitable use for this device ?
Read a book
Read multiple choice exam papers
Read websites and all of its content
Read instructions
What is the advantages using OMR (Optical mark recognition) ?
Very fast way to inputting the results
Form need to be carefully design
Add more cost than manual labor
There can be a problem if the answer not filled correctly
OCR (optical character recognition) is a device that convert text on a hardcopy document into an electronic form.
What is the most common recent uses of this device ?
Processing scores
Processing passports and identity cards
Processing magaziness
Processing barcodes
What is the advantages of using QR code compared to barcode ?
More errors
Less reliable
More expensive
QR code hold more information
