Inside the Computer
The parts of a computer you can touch, such as the monitor or the Central Processing Unit (CPU) are 1) … . All the units connected to the CPU such as input devices, output devices and storage devices are called 2) … . Computer programs are 3) … . The 4) … is software that controls the hardware. Most computers run the Microsoft Windows OS. MacOS and Linux are other operating systems.
The CPU controls how fast the computer processes data, or information. We measure its speed in megahertz (MHz) or gigahertz (GHz). The higher the speed of the CPU, the faster the computer will run. You can type letters and play computer games with at least a 500 MHz CPU. Watching movies on the Internet needs a faster CPU and a modem.
We measure the Random Access Memory (RAM) of the computer in 5) … . RAM controls the performance of the computer when it is working and moves data to and from the CPU. Programs with a lot of graphics need a large RAM to run well. The 6) … stores data and software programs. We measure the size of the hard disk in 7) … .
Computer technology changes fast, but a desktop PC (Personal Computer) usually has a tower, a separate monitor, a keyboard and a mouse. The CPU, modem, CD-ROM are usually inside the 8) … . 9) … is a portable computer with all these components 10) … one small unit. Notebooks have a screen, not a monitor, and are usually more expensive than desktops with similar specifications.
1. a) software b) hardware c) freeware
2. a) storage devices b) input devices c) peripherals
3. a) software b) hardware c) freeware
4. a) central processing unit b) operation system c) operating system
5. a) megabytes b) megabits c) megahertz
6. a) hard disk b) monitor c) tower
7. a) megabytes b) kilobytes c) gigabytes
8. a) separate monitor b) software c) tower
9. a) A notebook b) A copybook c) A mainframe
10. a) outside b) inside
В поле ввода впишите букву варианта ответа (например, a )