OCR GCSE Computer Science 1.5 Systems Software MCQs

Lossy Compression is…

• Appropriate for use on text

• When some original data is lost, and the original file cannot be re-created

• The original file can be re-created from the compressed file

• Turning the text into a format that only a reader with a key can decrypt it

Lossless Compression is...

• Cannot be used on text files

• When some original data is lost and the original file cannot be re-created

• The original file can be re-created from the compressed file

• Turning the text into a format that only a reader with a key can decrypt it

JPEG is which type of compressed file format?

• Lossy

• Lossless

• zip

• rar

MP3 is which type of compressed file format?

• Lossy

• Lossless

• zip

• rar

PNG is which type of compressed file format?

• Lossy

• Lossless

• zip

• rar

What type of Software is needed to control the computer’s hardware? (1-3)

• Programming Software
• Bespoke Software
• Application Software
• Systems Software

The following is not a type of Systems Software (4-6)

• Utility Programs
• Operating Systems
• Device Drivers
• Applications

Operating Systems need to manage System _________? (1-3)

• Software

• Electricity
• Resources
• Restores

This piece of software is used to control hardware devices and allow an Operating System to make use of the hardware (7-9)

• Device Driver
• Hardware Peripheral Device
• Device Management
• Device System

This following is an example of a peripheral (7-9)

• ROM
• Processor
• Hard Disk Drive
• Main Memory (RAM)