4. Read and translate the text. A computer is a system of many parts working together. A computer system consists of a hardware support system, a software system, and a network system.
The physical parts of a computer are called hardware. A hardware support system consists of external and internal physical components.
Look at the picture showing some external hardware components of a desktop computer system. A laptop computer has similar parts but they are in a single, notebook-sized package.
A system unit is the main part of a computer system. Almost every other part of a computer is connected with the system unit with cables.
A monitor displays information in visual form, using text and graphics. Like a television screen, a computer screen can show still or moving pictures.
A keyboard is mainly used for typing texts.
A mouse is a hand-held device used to control the cursor movement and select computing functions without keying.
A printer is an output device for printing results on paper.
A speaker is a part of a computer hardware system where the sound comes out.
Every hardware component plays a key role in the operation of a computer system.
Task II. Study the Language reference.
1. Hardware components inside the system unit:
The Central Processing Unit (CPU) = a central processor = aprocessor = a microprocessor- центральный процессор, ЦП, ЦПУ, часть компьютера, непосредственно выполняющая машинные команды, из которых состоят программы. Содержит регистровый файл (register file), устройство управления (control unit), устройство управления памятью (MMU), арифметико-логическое устройство (ALU) и другие блоки
a register file- регистровый файл, совокупность доступных программисту регистров процессора
