Computer Science Quiz

Data protection legislation sets out principles that organizations must follow. Give two of these principles.

• Data must be processed lawfully and fairly

• Data must be processed for specified, explicit, and legitimate purposes

• Data must be kept forever

• Data must be expensive to store

State two ways that the data used to train an algorithm could cause algorithmic bias.

• 1. Using biased data

• Using inaccurate data

• 1. Using comprehensive data

• Using clean data

When using a compiler to translate source code to machine code, the translation only needs to be done once. Give three other features of a compiler.

• Compiles code to machine language

• Checks for syntax errors and lists them all at the end

• Directly executes instructions

Describe one way that a high-level language differs from a low-level language.

• Easier to understand and use

• Requires more memory

• Faster execution

Describe one reason that lossless compression is preferred to lossy compression for transmitting word-processed documents over a network.

• • A. Lossless compression reduces file size without losing any data.

• • B. Lossy compression reduces file size by removing some data.

Identify which one of these is a hardware component of the CPU.

• Clock

• Control bus

• Data bus

• Register

Which of the following is a component of an embedded system?

• RAM

• CPU

• Battery

• All of the above

Explain the way a code review works.

• It involves testing the code.

• It involves developers examining each other's code.

• It involves compiling the code.

• It involves debugging the code.

The operating system manages peripherals. Identify an additional piece of software that is required for the operating system to manage peripherals.

• Analogue to digital converter

• Assembler

• Device driver

• Disk defragmenter

Give one reason the performance of a solid-state drive is not affected by fragmentation.

• It has a fast spinning disk.

• It uses magnetic storage.

• It has no moving parts.

• It uses optical storage.