BTEC LEVEL 5

2.1 Legal Issues Data Protection Act 1998 Personal information Example: IC, Driving license. Principles of Data Protection Act: Fairly and lawfully processed Processed for limited purpose Adequate, relevant and not excessive. Accurate and up to date. Not kept for longer than is necessary. Processed in line with your rights. Secure. Not transferred to other countries without adequate protection. Freedom of Information Act 2000 The public will gains access information from the government. Example: Population, Weather, Minister. Computer Misuse Act 1990 The law that is given so that the people will not misuse the computer. Example: Hacking, Identity theft. Offences: Unauthorised access to any computer program or data. (For fun) Unauthorised access with intent to commit a serious crime. (For crime) Unauthorised modification of computer contents. 2.2 Ethical Issues Codes of Practice The rules on how the workers should follow in order to work in a com...

Our respond: Feel relieved because of less competition. Our possible options: Advertise more (Secondary) Expand shop (Qualitative) Promotion (Primary) Longer working hours (Quantitative) Take the competitor former workers (Primary) Improve facilities of the shop (Qualitative) What information require for decision? To tell people the shop has been renovated New food Hangout Take the competitor former staff because of long working hours

1.1 Types of Information Qualitative Definition Qualitative refers to a description that are such as describing about colors, smells, textures, taste and appearances. Example Ali is using black jacket. Advantage The materials can be classified with greater information. Fast to observe the research data. Disadvantage Quantitative Definition Quantitative refers to a numbers or numerical information that are such as the length, weight, speed, time, cost and ages. Example She drink 2 cups of tea in the morning. Primary Definition Primary is the data that you collected yourself. Example Direct Observation. Interview. Survey. Advantage The information is more accurate. It is more flexible. Disadvantage It is expensive. Time consuming. Secondary Definition Secondary is the data that you received from external resources. Example Internet resources. Televisions. Stories told verbally. Advantage It is cheap. Not time-consuming. Disadvantage ...

1.1 Types of Information 4 types of information: - Qualitative - Description - Description about the colors, textures, smells, taste and appearances. Quantitative - Numbers - Numerical information - Length, height, weight, speed, time, cost and ages. Primary - Data that you collected yourself - Real-time data -Sure about sources of data - Costly and time-consuming process - More flexible - Direct observation - Surveys - Interviews Secondary -  Data that you collected from external resources - Past data - Not sure about sources of data - Cheap and not time-consuming - Less flexible - The Internet - Televisions - Stories told verbally 1.2 Purpose of Information Operational Support - System - Data input is done by the end user - Processed to generate information products - User - Input data - System process - Output information - Monitoring and controlling its activities - A business can make immediate use of the information - Example of op...

Connectors and cabling Leased line Description Leased line connects two places for the private voice and data telecommunication service.  Functions Leased line is used to connect to the Internet. It can link PCs and servers on different places. It is used to carry phone calls and also  enable the client to connect their PCs from home. Dedicated line Description Dedicated line a cable that is between two points that is dedicated to a specific application with the shared of a resources. Functions It is used to link corporate offices to the Internet. Media types: - STP Description STP is a cable that has two copper wires which is twisted together multiple times and it is shielded. Functions The use of shield is to reduce electromagnetic interference level from affecting the internet performance. Coaxial Description Coaxial cable is a cable with type of shield and insulated copper which is used in the transmission method of video communications and a...

Network devices Workstation Description Workstation is a computer for the individual users which is capable and faster than a personal computer. It is commonly used for business or professional use. Function Workstation has advanced graphics capabilities, powerful microprocessor and large storage size which allow it to reduce the number of instructions that stored in microprocessor and it also allows high resolution and has advanced abilities to communicate with other clients. Diagram NIC Description Network Interface Card (NIC) is an adapter that has been installed into the computer which provides physical interface between the cable and computer. Function NIC is used to received data and translate data into bytes so that the computer can understand it. Diagram Types of Server Print Features It can support multiple printer queues. It can support multiple printing methods. It is easy to configure the multi-panel graphical user interface. Functions It manages pr...

TCP/IP Known as Transmission Control Protocol/ Internet Protocol. Commonly used network protocol worldwide. It provides a connection for communication between two clients using two data streams. TCP has to establish a connection channel with the target node. It make sure that the file is send and receive successfully and also if not successful, it will send error message. UDP User Datagram Protocol Provides one to one communication Unreliable communication device AppleTalk Used for Apple IOS and Macintosh OS. 802.2 ( Logical Link Control ) Known as Logical Link Control layer where is used to understand the data link layer. The purpose is to translate the message. 802.3 (Ethernet) Used Network Interface Card (NIC) to connect the PC to the Internet. FDDI Fiber Distributive Data Interface Used 2 rings, Primary and Secondary. Primary - Anticlockwise Secondary - Clockwise Purpose - Sending messages is faster and if one ring is broken, can used an...