Quiz Grade 10 STEAM

How do computers represent basic information?

• With images

• With sound

• With binary numbers (0 and 1)

• With alphabet letters

Why is binary used as the basis for data representation in computers?

• Easier for humans to understand

• Stable and corresponds to the ON/OFF state

• Faster to write

• Produces better colors

If a computer can only store 2 bits of information, how many different combinations can be represented?

• 2

• 3

• 4

• 5

The concept of abstraction in information representation means…

• Removing all unnecessary details

• Storing all data completely

• Converting numbers to text

• Using more bits for precision

In programming patterns, repeating circles and squares is usually done using…

• Variables

• Loops

• Conditions (if-else)

• Arrays

If a pattern draws a square with 4 sides, how many times must the command 'turn right 90' be executed?

• 2

• 3

• 4

• 5

In a circle pattern, the rotation angle used to make 36 small circles to form a full circle is…

• 5°

• 10°

• 15°

• 20°

Using nested loops in shape patterns is useful for…

• Saving variables

• Reducing color size

• Creating complex patterns from simple patterns

• Speeding up program compilation

The binary form of decimal number 5 is…

• 100

• 101

• 110

• 111

What is the decimal value of binary 1101?

• 11

• 12

• 13

• 14