Grade 9 Computer Exam

A computer stores data using only digits: the numbers zero (0) and one (1)”. This statement is best explained about…

• Images and Audio

• Multimedia

• Digital Data

• Digital Data

The 1s and 0s inside the computer can be used to store these data, except...

• Turn the electricity on/off

• Yes and no (true or false) and numbers

• Instructions that tell the computer what to do

• Digital content (text, images and sounds)

The decimal number system uses 10 digits (0 to 9). The decimal system also known as base 10. There are also another numbering system which contain only 2 digits, called...

• Hexadecimal

• Decimal

• Octal

• Binary

What is the smallest unit of binary number?

• nibble

• bit

• byte

• octet

What is 00100111 in decimal?

• 37

• 39

• 41

• 43

Which decimal number that is greater than 11111111?

• 127

• 128

• 255

• 256

What is 85 in binary?

• 10101010

• 00001111

• 01010101

• 11110000

Below are multimedia types, except...

• Images

• Audio

• Video

• Text

Which of the following are information that you can share online to the public?

• Full name, address, bank account

• Nick name, address, cartoon profile picture

• Nick name, cartoon profile picture, pet

• Phone number, bank account, address

Below are some benefits of cookies, except...

• The information that cookies collect can be sold

• Cookies allow a website to automatically complete the form next time you use it

• Cookies store location that makes you can see weather reports and events that are local to you

• The news stories that you see can be customized to match your interest