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Task 6. Complete each sentence choosing the correct preposition from the box.Date: 2015-10-07; view: 518. Task 5. Mark the following as True or False. 1. The function of a hard disk drive is to delete all the files stored on a disk. 2. Swipe cards are used to provide a secure means of identifying authorised users of many different facilities such as banks, libraries, and computer labs. 3. A supercomputer is used for processing small amounts of data. 4. Barcodes provide computer readable information on a product so that it can be identified and priced automatically. 5. A cache holds the program instructions and settings required to start up the computer. 6. The capacity of memory is determined by the period of the time required for the signals to travel the distance from the memory to the arithmetic/logic unit. 7. A mainframe computer is designed to be used on an office desk and to be operated by a single user.
1. The CPU is a large chip ......... the computer. 2. Data always flows ......... the CPU ......... the address bus. 3. The CPU can be divided ......... three parts. 4. Data flows ......... the CPU and the memory. 5. Peripherals are devices ......... the computer but linked ......... it. 6. The signal moves ......... the VDU screen ......... one side ......... the other. 7. The CPU puts the address ......... the address bus. 8. The CPU can fetch data ......... memory ......... the data bus. 9. A program is read ......... disk .......... memory. 10. The hard disk drive is ......... a sealed case. 11. Tracks are divided ......... sectors.
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