Quiz STEAM Grade 10 Full English

How do computers represent basic information?

• With pictures

• With sounds

• With binary numbers (0s and 1s)

• With alphabet letters

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

• Easier for humans to understand

• Matches electrical ON/OFF states

• Faster to write

• Produces better colors

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

• 2

• 3

• 4

• 5

The concept of abstraction in information representation means...

• Removing unnecessary details

• Storing all data completely

• Converting numbers to text

• Using more bits for precision

Repeating circle and square shapes in programming is usually done with...

• Variables

• Loops

• Conditions (if-else)

• Arrays

To draw 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 draw 36 small circles forming 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 ones

• Speeding up program compilation

What is the binary representation of decimal number 5?

• 100

• 101

• 110

• 111

What is the decimal value of binary 1101?

• 11

• 12

• 13

• 14