Topic

The basic elements of a computer system

Learning objectives

Students will be able to:

• to describe the main items of hardware
• to classify computer devices
• to explain how a computer system works by describing its functions
• to understand the structure and functions of the CPU
• to use basic IT vocabulary

Key words

Hardware, software, input devices, output devices, CPU=Central Processing Unit, main memory, peripherals, storage devices, disk drive, monitor, printer, mouse, keyboard, modem, router, DVD, USB = A Universal Serial Bus, USB port, bus, control unit, ALU = Arithmetic Logic Unit, register, motherboard, integrated circuit