Informatics

Which device is considered as the brain of the computer?

• CPU

• Input

• Output

• ALU

The processing speed of a computer depends heavily on:

• CPU

• ROM

• External memory

• All 3 options are correct

Which of the following devices does not belong to the external memory of a computer?

• Floppy disk

• Monitor

• Hard disk

• USB disk

Main memory includes

Which memory is the temporary storage for commands and data?

• ROM

• RAM

• Registers

• Modem.

Which of the following devices are classified as peripheral devices?

• Keyboard, Mouse, Monitor, Printer

• Mainboard, CPU, CD-ROM Drive, Mouse

• HDD, CD- ROM Drive, FDD, Keyboard

• Monitor, CPU, RAM, Main

What separates the name and the extension of a file?

• Dot (.)

• Exclamation mark (!)

• At sign (@)

• Asterisk (*)

The purpose of data compression for files and folders is:

• To reduce storage space

• To increase storage space

• To rearrange folders by group

• Convert data format from .doc to .rar

In Windows, which windows is used to unable a program?

• Control Panel

• Control System

• Panel Control

• Control Desktop

In Windows, to permanently delete a file or folder without sending it to the Recycle Bin, what key combination should the user press?

• Shift + Delete

• Ctrl + Delete

• Alt + Delete

• Caps Lock + Delete