KS3 Understranding Computers

What is the function of a keyboard?

• A) To display output on the screen

• B) To input data into a computer

• C) To print text or illustrations on paper

• D) To convert electrical signals to sound waves

Which input device is used to move a pointer on a computer screen?

• A) Keyboard

• B) Mouse

• C) Scanner

• D) Printer

What does a scanner do?

• A) Prints text or illustrations on paper

• B) Converts electrical signals to sound waves

• C) Reads and writes to an optical disc

• D) Reads text or illustrations printed on paper and converts them into a form that a computer can store

Which output device prints text or illustrations on paper?

• A) Printer

• B) Monitor

• C) Speakers

• D) Keyboard

What is the function of a monitor?

• A) To display output on the screen

• B) To input data into a computer

• C) To print text or illustrations on paper

• D) To convert electrical signals to sound waves

What do speakers do?

• A) Prints text or illustrations on paper

• B) Converts electrical signals to sound waves

• C) Reads and writes to an optical disc

• D) Reads text or illustrations printed on paper and converts them into a form that a computer can store

What is the main component of a computer that processes instructions and data?

• A) Central Processing Unit (CPU)

• B) Motherboard

• C) RAM

• D) Hard drive

What is the function of a motherboard?

• A) To display output on the screen

• B) To input data into a computer

• C) To process instructions and data

• D) To store data

What does RAM stand for?

• A) Random Access Memory

• B) Read and Write Memory

• C) Random Access Machine

• D) Read and Write Machine

Which storage device uses magnetic disks or platters to store data?

• A) Hard drive

• B) Flash drive

• C) Optical drive

• D) Scanner