Input Devices Flashcards
What is a Qwerty Keyboard?
Device used to enter large amount of text
What are the advantages of a Qwerty Keyboard?
- A skilled typist can enter data very quickly
* Familiarity
What are the disadvantages of a Qwerty Keyboard?
- Can easily make mistakes
* Training is needed to be a skilled typist
What are the advantages of a Concept Keyboard?
- Waterproof so it won’t damage easily
* Fast entry
What are the disadvantages of Concept Keyboard?
•Customised limited use
What is a mouse?
A pointing device that controls the cursor. It is built in censors to pick up movements
What is a Concept Keyboard?
Has special features that includes pictures and words
An advantage of using a Concept Keyboard?
• Waterproof, so won’t damage easily
A disadvantage of using a Concept Keyboard
- Customised limited use
Can only be used for a particular task
What is a mouse?
Controls the movement of a cursor on screen. Built in with a censor to detect movement
Advantages of using a mouse
- Easy to use
* Comes with a PC
Disadvantages of using a mouse
- Needs a flat surface
- Dirt could affect it easily
What is a Joystick?
A joystick is used to control movement in video gaming. It can also be used in controlling robots or hospital scanning
Advantage of using a Joystick
• Easier to use than a mouse
Disadvantage of using a Joystick
- Expensive than a mouse
What is a Tracker Pad?
Used on a laptop (as a mouse)
Advantage of using a Tracker Pad
- Less movement so less injuries
* Training is unnecessary
Disadvantages of using a Tracker Pad
- Expensive
- Sensitive so it will be difficult to control
What is a Microphone?
Used for inputting analogue sound to computer where it is converted to digital
Advantage of a Microphone
• Voice recognition is helpful for less mobile users
Disadvantage of using a Microphone
- Can record background noises
- Sensitive therefore interference
What is a Digital Camera ?
Stores images and video clips
Advantages of a Digital Camera
- Stores many pictures and videos
- Can be viewed instantly
- Can be transferred to the computer
Advantage of a Microphone
• Voice recognition is helpful for less mobile users
Disadvantage of using a Microphone
- Can record background noises
- Sensitive therefore interference
What is a Digital Camera ?
Stores images and video clips
Advantages of a Digital Camera
- Stores many pictures and videos
- Can be viewed instantly
- Can be transferred to the computer
Disadvantages for Digital Camera
- Quality of pictures may be low depending on the type of Camera
- Expensive
What is a Scanner?
Used to scan photos and converts to digital image
Advantages of a Scanner
- Saved as a digital image for editing
* OCR recognises text for editing word
Disadvantage for Scanner
- Quality may be low depending on the type of scanner
Advantages of Touch Screen
- Easy to use
* No training needed
Disadvantages of Touch Screen
- Expensive
- Dirt damages it easily
What is a Graphic Digitiser?
Screen that captures a hand drawn image using stylus
What is a Touch Screen?
Finger touches screen
