GCSE Computer Science – Theory – 13 – Exam Style Questions with Answers

Computers use a character set to convert text into binary. One character set that can be used is ASCII. Each letter in ASCII can also be represented as a denary value.

Karina is taking her Computer Science examination. She has three questions to answer about output devices.

For the first question she writes the answer: “It is a high powered laser that cuts materials such as thin metals or wood.” Identify the output device that Karina is describing. 

Computers use a character set to convert text into binary. One character set that can be used is ASCII. Each letter in ASCII can also be represented as a denary value.

Identify the storage category that includes both RAM and ROM.

For the second question she writes the answer: “The screen is made up of blocks of red, green and blue pixels. The screen uses layers of different types of liquid.” Identify the output device that Karina is describing.

Computers use a character set to convert text into binary. One character set that can be used is ASCII. Each letter in ASCII can also be represented as a denary value.

For the third question she writes the answer: “It is responsible for powering and moving a motor in machinery, such as a robot arm in a factory.” Identify the output device that Karina is describing.