3.2 Соедините слова, данные в колонке а и их определения из колонки в:

А В

1 microprocessor chip used to send address details between the

memory and the address register

2 registers consists of an arithmetic-logic unit, one or

more working registers to store data

being processed, and accumulators

for storing the results of calculations

3 accumulators a group of signal lines used to transmit data in parallel from one element of a computer to another

4 control bus groups of bistable devices used to store information in a computer system for high-speed access

5 address bus an electronic circuit, usually a quartz crystal, that generates electronic pulses at fixed time intervals to control the timing of all operations in the processor

6 data bus used for storing part of the operating system and application software known as ‘firmware’; can only be read; cannot be written to or altered in any way

7 clock used to store numeric data during processing

8 RAM a group of signal lines dedicated to the passing of control signals

9 ROM used for the temporary storage of application programs and data; can be written to and read from

PORTABLE COMPUTERS