Theme 4 Lesson 2

………………… programs like Microsoft and Google chrome, are downloaded from the internet.

• Technology

• Hardware

• Software

In the computer binary system, number (1) means…………..

• On

• Pass

• Off

When the screen freezes in windows PC, hold down the power button for 30 seconds and restart.

• True

• False

You can use Ctrl + Alt + Del to solve the problem of screen freezes in ……………

• Windows PC

• Android

• I phone

If you don’t use official stores, only download software from …..............Sources.

• Reliable

• Harmful

• Useless

Computers use binary to ………….more efficiently.

• Copy data

• Cut data

• Store data

Computers only understand information represented by …………………….

• 1

• 0

• Both of them

It’s recommended to download software from………………

• Unreliable sources

• Unknown sources

• Reliable sources

To solve the problem of screen freezing in Android device, hold down the …………. For 30 seconds and restart.

• Printer

• Power button

• Mouse

………………… help programs to run more efficiently

• Installs

• Removes

• Updates