Installation A Level Notes Information Technology 9626

Parallel Running This is when a new system and an old system are run at the same time. On a certain date, the new system will be ...

About this video In this lesson, we introduce the basics of hardware and software for the A

Test Data When a system has been developed, it needs to be tested. Test data should be used. Each field should be tested.

Welcome to Ajiro Tech, your trusted guide for mastering Cambridge AS & A

Project management software will include templates for projects for easyer planning. They will also enable a project manager to ...

Optical communications use light to transmit data. The speed of light is the fastest in the universe, which means that there is ...

Streaming takes place when video or audio files are sent to a receiving device for viewing or listening without downloading any ...

Bluetooth This uses wireless frequencies between 2402 and 2480 MHz. Bluetooth splits data into packets which can be ...

Technical Documentation This is an overview of the structure of the system, how it was put together and how it works.

Welcome to Ajiro Tech, your trusted guide for mastering Cambridge AS & A

Teleworking is the act of using IT to work remotely, away from an office. This can mean working from home, or from any other ...

This video covers Modelling for AS

Bitmap Large file size, especially for high-resolution images Suitable for photographs Pixelation Individual pixels have a color ...

Data Flow Diagram A data flow diagram shows how data flows throughout a system. Design Data Flow Diagram A data flow ...

Protocols A protocol is a set of rules that ensure data is transferred correctly. A protocol defines the type of error checking, how ...

Definitions Network: A set of connected computers and devices that are capable of communicating and sharing resources. Switch: ...