Part 1 - Computer Systems

Front 1

What five main parts are computer made up of?

Back 1

Cpu

Ram

Input Devices

Output Devices

Storage Devices

Front 2

What are embedded systems?

Back 2

Computers used in the home to automatically control systems. e.g. washing machines, central heating systems, dishwashers

Front 3

What are 3 more reasons computers are important?

Back 3

- Home entertainment and communications

- Commerce and Business

- Medical Systems

Front 4

How can reliability be improved?

Back 4

By purchasing high quality components and testing the system during development

Front 5

How can robustness be improved?

Back 5

By using verification and validation techniques to help prevent input errors,

Front 6

Why is it important that a computer is reliable and robust?

Back 6

So that they do not crash and cause serious consequences in medical environments or businesses might lose trade.

Front 7

What happens to systems that aren't robust?

Back 7

It might make it difficult to complete work and transactions taking place.

Front 8

Why are professional Standards important?

Back 8

To increase compatibility and allows different systems to exchange information with each other which standards such as protocols like TCP/IP

Front 9

What is an industry standard?

Back 9

When hardware or software is endorsed such as IEEE and ISO. This ensures that hardware or software will be produced to certain specifications such as USB cables.

Front 10

What is a De facto standard?

Back 10

These exist when a large sector or ICT industry have adopted them such as the QWERTY keyboard.

Front 11

What is an open standard?

Back 11

Linked to open source standards such as Linux where different interfaces will be built around specific commands.

Front 12

What is a proprietary standards

Back 12

Owned by a company, such as Apple who own and control the operating system for their hardware.

Front 13

Why are professional standard important to programmers.

Back 13

Ensure that code is written using agreed conventions so that one can understand it such as which language will be chosen, that all code will be annotated with use of meaningful variable names.This is important so that it provides consistent programs and that is allows multiple people to work on the same project as others will be able to read and edit code

Front 14

What is the codes of ethics and professional practice?

Back 14

Software engineers can follow the code of ethics and professional practice, which suggests that they should act in public interest which integrity and that products should meet high standards and fuful public needs.

Front 15

Why is it important to recycle digital devices.

Back 15

Important to protect the environment and reduce landfill.Computers should be disposed of using the local authority waste disposal services. Users should ensure that they delete all personal data.Old devices can be recycled to LEDCs to extend their useful life.

Front 16

Why is it important to consider climate change?

Back 16

Computers use large amounts of energy and computers should be made efficiently to reduce heat or reuse it in other areas.Computer technology can also be used to reduce energy consumption such as:- light turning off automatically, improved heating controls.

Front 17

What are the three main laws?

Back 17

Users of computers must follow 3 key laws:-Data Protection Act 98, Copyright & Patents Act ,

88, Computer Misuse Act 90

Front 18

What was the Data Protection Act?

Back 18

Introduced to ensure data was held securely and that it was up to data and not kept longer than necessary.

Front 19

How can software help enforce the Data Protection Act?

Back 19

Passwords should only be accepted it they’re strongEncryption should be used to make data more secureDrop down menus are sometimes uses to add letters for passwords, this can prevent keylogging software from intercepting the password.

Front 20

What did the Copyright act prevent?

Back 20

Software piracy and theft or hardware or software ideas.

Front 21

Why was the Computer Misuse act important?

Back 21

It prevents attacks on ICT systems, making hacking and the use of viruses a criminal offence. a

Front 22

How can the Computer Misuse act be enforced?

Back 22

Hacking we know, is the practice of breaking into a computer system, which can be prevented through the use of a firewall.Intrusion detection systems are designed to monitor networks and computer systems for malicious activity, with reports being sent to network administrators if such activity occurs.