During booklet four we will be looking at the following.
- Description of the use and advantages of buffers and spooling
- Description of a suitable selection of hardware, including peripherals, to support typical tasks including
- production of a multimedia catalogue
- setting up a LAN in a school
- development of a school website
- Justification of the hardware selected in terms of appropriate characteristics including
- resolution
- capacity
- speed
- cost
- compatibility
- Description of the features, uses and advantages of solid state storage devices including flash cards
- Description of the development trends in backing storage devices
- Description of the following functions of an interface:
- buffering
- data format conversion (serial to parallel and analogue to digital)
- voltage conversion
- protocol conversion
- handling of status signals
- Distinction between parallel and serial interfaces
- Description and explanation of the current trends towards increasing interface speeds and wireless communication between peripherals and CPU
