The main disadvantage of Personal Computer compared to Laptop

No portable, therefore, files more difficult to transfer

The main advantage of Laptop compared to Desktop

Its portable due to a small size and weight.

What is Quantum Cryptography?

send encrypted data using lights, making data unbreakable

What is Artificial Intelligence (AI)?

Computer systems that can simulate human intelligence

What is a virtual reality?

an artificial environment that is created with software

What is Computer Assisted translation?

software uses terminology database and translation memories

user interacts with a computer using pictures or icons/menus

GUI: needs an operating system to operate

Main features of mainframe computers?

Huge Storage Capacity, Several CPUs, Fast processing speed

Requires users to type instructions such as commands

Three main functions of Operating Systems:

File managment, run programs, Manages input/output devices

What are the main advantages of using robotics in the manufacturing industry?

Complete task with precision can work in extreme condition

What is vision enhancement?

video technology projects distant object closer to users

The main disadvantage of Laptop compared to Personal Computer

Keyboard and pointing device may be awkward to use

The main advantage of Personal Computer compared to Smartphone

Better specification for a given price

What is 3-D and holographic imaging?

technology that allows 3-dimensional images to be produced

Limited to the icons provided on the screen

Major components of GUI

Windows, Icons, Menu, Pointing device

Car self-parking and soft biometric changes of a human

What is Biometric authentication system?

a system which recognizes individuals body parts

The main advantage of Personal Computer compared to Laptop

Can be upgraded and parts easily replaced

The main disadvantage of Smartphones compared to Laptop Computer

Small screens make reading difficult as well as typing

What are mainframe computers?

A powerful computer, used for processing huge amount of data

The main disadvantage of Tablets compared to Laptop Computer

Support lesser file formats than a laptop

The main advantage of Tablet computer compared to a laptop

Supports 3G/4D data and higher definition anti-glare display

CLI User in direct communication with Computer

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IGCSE ICT Chapter 1 -1.3,1.4,1.5

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Questions 27

Answers

1
The main disadvantage of Personal Computer compared to Laptop
More likely to be damaged compared to a laptop.
Support lesser hardware specification
Easier to steal
No portable, therefore, files more difficult to transfer
2
The main advantage of Laptop compared to Desktop
Can be upgraded and parts easily replaced
Supports 3G/4D data mobile
Its portable due to a small size and weight.
Tend to have higher specifications than desktop computers.
3
What is Quantum Cryptography?
Send data through fiber optic
send encrypted data using lights, making data unbreakable
Send encrypted data using a special key
An application software to perform data encryption
4
What is Artificial Intelligence (AI)?
Computer systems that can simulate human intelligence
A powerful computer with a high number of RAM and CPUs
Is used for biometric authentication only
A Supercomputer used to simulate real live scenario
5
What is a virtual reality?
an artificial environment that is created with software
Used only in computer games
Use of robotics to create an artificial environment
Use for encryption of data
6
What is Computer Assisted translation?
software uses terminology database and translation memories
Software that uses google translator
is used by AI system to perform the tasks
used only for English, German and French
7
GUI
more slower process compared to GUI
is built around the concept of typing the codes
Requires users to type instructions such as commands
user interacts with a computer using pictures or icons/menus
8
Methods used in Biometric Authentication System
Password and image
Hair and Password
Video and Audio recognition
Finger and eyes recognition
9
CLI vs GUI (2)
CLI is more user-friendly than GUI
GUI: needs all commands to type in the correct order
GUI: needs an operating system to operate
CLI: User doesn’t need to learn any commands
10
Main features of mainframe computers?
Support multiple operating systems, used only at banks
Fast processing speed, Longer Batteries, Better Video Card
More stable internet, portable, less power consumption
Huge Storage Capacity, Several CPUs, Fast processing speed
11
CLI
Requires users to type instructions such as commands
Uses mouse and keyword to type the commands
is built around the concept of WIMP
more slower process compared to GUI
12
Three main functions of Operating Systems:
Delete files, Print pictures, provide power to CPU
Edit images, video editing functions, provide CLI/GUI
Run programs, execute a game, provide word processing tasks
File managment, run programs, Manages input/output devices
13
What are the main advantages of using robotics in the manufacturing industry?
No maintenance required, Easy to build
Complete task with precision can work in extreme condition
Does not require complex programming, No human intervention
Cheaper than humans, easy to program
14
What is vision enhancement?
An enhanced method to do biometric authentication
Uses AI to detect objects
An application software to do video editing
video technology projects distant object closer to users
15
The main disadvantage of Laptop compared to Personal Computer
Keyboard and pointing device may be awkward to use
No portable, therefore, files more difficult to transfer
Less likely to be damaged compared to a desktop.
trailing wires
16
The main advantage of Personal Computer compared to Smartphone
Very fast to switch on and off compared to smartphone
Better specification for a given price
No loose cables. All components connected together
Does not generate heat
17
What is 3-D and holographic imaging?
technology that allows 3-dimensional images to be produced
A special software that uses extensive image editing
is used by AI system to create a video-enhanced production
used only at the entertainment industry
18
Disadvantage of GUI
Each command must be in correct format, spelling and so on
Limited to the icons provided on the screen
Difficult to edit once entered
A user needs to learn commands
19
Major components of GUI
Windows, Icons, Menu, Pointing device
Desktop, mouse, GIF pictures, videos
A menu, toolbar, desktop, windows
Text, keyword, Pictures
20
Examples of AI
Deep Blue Chess game IBM, ATM Machines
Medical system and Weather monitoring system
AI system in cars for self-parking, Online shopping system
Car self-parking and soft biometric changes of a human
21
What is Biometric authentication system?
Is used for biometric authentication only
Computer systems that can simulate human intelligence
a system which recognizes individuals body parts
A powerful computer with a high number of RAM and CPUs
22
The main advantage of Personal Computer compared to Laptop
Supports 3G/4D data mobile
Can be upgraded and parts easily replaced
No loose cables. All components connected together
Touch screen technology
23
The main disadvantage of Smartphones compared to Laptop Computer
Can not make a phone call while connected to internet
Lesser portable compared to a laptop
Limited battery life compared to Laptop
Small screens make reading difficult as well as typing
24
What are mainframe computers?
More portable compared to a laptop
A computer where it has a stable internet connectivity
Less powerful than a desktop computer and is used in banks
A powerful computer, used for processing huge amount of data
25
The main disadvantage of Tablets compared to Laptop Computer
The keyboard may be awkward to use
Support lesser file formats than a laptop
Lesser battery life
Much slower to switch on
26
The main advantage of Tablet computer compared to a laptop
Supports 3G/4D data and higher definition anti-glare display
Tend to have higher specifications than laptop computers.
Stable internet access
Can be upgraded and parts easily replaced
27
CLI vs GUI (1)
CLI uses more memory than GUI
CLI is more user-friendly than GUI
GUI is not restricted to a number of predetermined options
CLI User in direct communication with Computer

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