G7_ICT_1.1_Digital Data

Choose the two digits used in the binary number system.

• 0 & 1

• 0 & 2

• 1 & 2

• None of the above

Choose the extra digits used in the decimal system that are not used in binary.

• 4,5,6,7,8 and 9.

• 6,7,8 and 9.

• 8 and 9.

• 2,3,4,5,6,7,8 and 9.

What is digital data?

• Data that is stored using machine.

• Data that is stored using pictures.

• Data that is stored using alphabet.

• Data that is stored using digits (as numbers).

choose things a computer stores as binary code.

• text

• numbers

• instructions

• images

• sounds

Early people stored data about important events by :

• painting images on caves walls

• carving images and hieroglyphics into stone

• using hard discs

• using flash memory

The 1s and 0s inside the computer can be used to store:

• yes and no

• true and false

• numbers

• instructions

• text and images

The brain of a computer

• microprocessors

• switch

• port

• CD

Switch can either be.....................

• on or off

• one or tow

• white or black

• non of the above

True or False

A microprocessor is called a digital device

• True

• False

Made up of millions of tiny electronic switches

• HDD

• SSD

• memory

• microprocessor