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ICT > 1.1 : Types of user interface > Flashcards

1.1 : Types of user interface Flashcards

1
Q

what is meant by CLI ?

A
  • command line interface
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2
Q

what are the advantages of CLI ?

A
  • the user is in direct communication with the computer
  • the user is not restricted to a number of pre-determined options
  • it is possible to alter the computer’s configuration settings
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3
Q

what are the disadvantages of CLI ?

A
  • the user needs to learn a number of commands to be able to carry out basic operations
  • all commands needs to be written , which can be time-taking and error-prone
  • all commands written needs to be in the right format , spelling and so on.
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4
Q

what is meant by a GUI ?

A

graphical user interface

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5
Q

what are the advantages of a GUI ?

A
  • the user doesn’t need to learn any commands
  • it is more user friendly as icons are used to represent applications
  • a pointer device ( a mouse ) is used to click on icons to launch applications which is better than typing in commands
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6
Q

what are the disadvantages of using GUI ?

A
  • it takes up considerably more computer memory than a CLI interface
  • the user is limited to the icons on the screen
  • needs a more complex operating system to work such as windows , which can be slower to execute commands
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7
Q

what is meant by a dialogue-based interface ?

A
  • the use of a human voice to give commands to a computer system
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8
Q

what are the advantages of a dialogue-based interface ?

A
  • no need for a driver to take their hands of a steering wheel
  • in home very useful for disabled people as many tasks are carried out by the spoken word only
  • can be used as a security feature as voice recognition can be used to identify a person
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9
Q

what are the disadvantages of a dialogue-based interface ?

A
  • unreliable as there is many commands still not recognized or have to be repeated several time espcially if there is a lot of background noise
  • the user needs to learn which commands can be used
  • can be complex to set up
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10
Q

what is meant by a gesture-based interface ?

A
  • its an interface that relies on human interaction which can be through the moving of hands , head or even feet , it allows human to interact in a more natural fashion without the need for a mechanical device
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11
Q

what are the advantages of a gesture-based interface ?

A
  • a very natural way of interacting with the computer for a human operator
  • no need to learn any commands
  • replaces mechanical devices
  • no physical contact required
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12
Q

what are the disadvantages of a Gesture-based interface ?

A
  • possible to pick up unintenitinal moves
  • it works accuratly to a certain distance ( approx. 1.5 m)
  • may only accept a limited number of movements or it may take several times to pick up the command
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13
Q

what is a Desktop computer ?

A

Desktops usually refer to a general-purpose computer that is made up of a separate monitor , keyboard, mouse and a separate central processing unit , it is distinguished from for example a laptop that its made up of separate components , which makes it not portable

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14
Q

what are the advantages of a desktop computer ?

A
  • it is always connected to the mains
  • monitors can come in any size
  • easier to replace parts and upgrade the computer
  • tend to come in higher specifications than a laptop
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15
Q

what are the disadvantages of a desktop computer ?

A
  • not portable
  • takes up a lot of desk space
  • separate monitor , keyboard, mouse , speakers , etc.
  • loose cables which can be trip hazards
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16
Q

what are the main use of desktop computers ?

A
  • entertaiment use
  • used as a gaming device
  • educational use
  • office and business work
17
Q

why are mobile computers have that name ?

A
  • because as the name suggests they are more portable than desktop computers
18
Q

what is meant by a laptop ?

A
  • refers to a type of computer that has the monitor , keyboard , pointing device and processor are all in one unit which makes them extremely portable.
19
Q

what are the key features of laptop ?

A
  • lightweight ( to aid portability)
  • they have low battery consumption ( they also have long battery life)
  • they have a low heat output ( cooling is very important)
20
Q

what are the advantages of a laptop ?

A
  • portable due to small size and weight
  • battery can be recharged
  • can connect wirelessly to the internet
  • no loose cables , all components are connected together
21
Q

what are the disadvantages of a laptop ?

A
  • limited-battery life
  • laptops can be difficult to upgrade or repair
  • can be stolen or lost
  • some users may find it hard to use pointing device
22
Q

what are the main uses of a laptop ?

A
  • business or office work
  • educational use
  • used as a gaming device
  • used for monitoring and controlling
  • used for general entertainment
23
Q

Smartphones ?

A

smartphones allow normal phone calls to be made but also have an operating system allowing applications software to be used which allow the user to send/receive emails , use the camera feature , mp3/mp4 for music and videos ,mobile phones connect to the internet by wi-fi hotspots or by 3G/4G/5G mobile phone networks .

24
Q

what are the typical features of a smartphone ? >

A
  • high definition ant-glare displays
  • makes use of front and back cameras to take phots/videos or can be used as web-cam when making video calls over the internet
  • lighter and have longer battery life than laptops
  • make use of Bluetooth for communication with printers and other devices
  • they use flash solid state memory and cloud storage facilities to sync data up
25
Q

why are the new generations of smartphones thinner and lighter ?

A

because they will make use of OLED( organic light emitting diode ) touchscreens , which will be coated with a layer of crystalline that will allow the smartphones to be partially solar powered and make use of LI-fi which uses visible light instead of radio waves , which is faster and safer , and can be used in a aeroplanes flights as it does not interfere with the system of the flight control system

26
Q

what are the advantages of a smartphone ?

A
  • small in size and easy to carry around
  • can be used on the go as it uses 3G/4G wireless connectivity
  • touch screen technology
27
Q

what are the disadvantages of smartphones ?

A
  • small screen which makes it difficult to read
  • short battery life
  • can be easily misplaced or stolen
  • limited storage compared to other types of computers
  • slow transfer rates
28
Q

what are tablets ?

A
  • they are increasingly being used , they work similariliy to smartphones as they have a touchscreen and they do not have a physical keyboard but they do have a virtual one which is activated by simply touching it , they connect to the interent using wi-fi hotspots or 3G/4G/5G connectivity and they also do have sensors such as a smartphone they also share the same typical features
29
Q

what are the advantages of tablets ?

A
  • high definition anti-glare screens
  • uses 3G/4G connectivity
  • has touchscreen technology
  • can sync data up with other devices
  • has a larger battery-life than smartphones
30
Q

what are the disadvantages of a tablet ?

A
  • limited memory compared to laptops
  • expensive to use 3G/4G
  • not all files are compatible with tablets
  • typing can be difficult compared to a normal keyboard
31
Q

what is meant by a phablet ?

A
  • it is a hybrid between a mobile smartphones and tablet when compared in size
32
Q

what are the main uses of a smartphones , phablets and tablets ?

A
  • entertainment use
  • gaming uses
  • used as a camera
  • VOIP technology
  • sending / receiving emails
  • business or office use
  • calendar functions
  • global positioning
  • used for remotely controlling and monitoring
  • educational use
  • telephone banking
  • instant access to social networks
  • ## internet use

ICT (16 decks)

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