Satellite Systems Igcse Ict
A describe different methods of researching a situation.
Satellite systems igcse ict. Cars usually refer to gps as satellite navigation systems i e. On the other hand a satellite fitted with weather measuring instruments is a weather satellite. In this section we will look at how input devices can be used to get data into a computer system. 2 2 direct data entry and associated devices.
For example a satellite fitted with radio equipment is a communication satellite. E mail messages are text based but other types of file can also be sent as attachments. The course syllabus states that you should be able to discuss the following areas of systems analysis and design. 4 2 network issues and communication ict.
For each input device you have to be able to identify it from an image explain what it is used for and discuss advantages disadvantages. The flat parts extending above the satellite are solar panels. E mails that are received wait in a user s inbox until the user is ready to read them. Learn about ict systems and usage for ict gcse and find out the integration of ict devices and information systems.
2 input and output devices. 2 3 output devices and their uses. Satellites surrounding the earth transmit signals to the. Systems analysis and design.
The ict lounge. Communication satellites send and receive data from one point on the earth to another point on the earth. Unlike a telephone call the user is free to ignore e mails until they have. A numeric keypad is a keyboard with only numbers.
E mail is a system that allows messages to be sent and received by computers e mail is the most common form of electronic communication. In section 2 1 we will focus on manual input devices and then move onto direct input devices in section 2 2. Ict input hardware. Ict igcse theory revision presentation ict applications ons www yahmad co uk 6 1 communication applications 6 2 data handling applications 6 3 measurement applications 6 4 microprocessors in control applications 6 5 modelling applications 6 6 applications in manufacturing industries 6 7 school management systems 6 8 booking systems 6 9.
The world s first satellite sputnik was successfully lunch by the soviet union in 1957 and since then the number has increased to over 1 100 operational satellites together with over 2000 obsolete satellites. Used in automatic teller machines atms where customers can key in their personal identification number pin or an amount of money. Television by satellite. Describe global positioning satellite gps systems and satellite navigation global positioning satellite gps systems are used to determine the exact location of a number of modes of transport e g airplanes cars ships etc.
Igcse ict section 1.