Yr 8 BET Revision Quiz - Computer Systems

What is an algorithm?

• A) A component of a computer system

• B) A set of step-by-step instructions designed to solve a problem

• C) A type of computer hardware

• D) A software program that manages resources

What is the function of the CPU?

• A) It stores data such as files, images, videos, games, and the operating system

• B) It processes all the graphical data on the computer

• C) It is known as the brains of the computer and carries out the instructions

• D) It provides the computer and all components with power

What does the Heat Sink Fan do in a computer system?

• A) Processes the graphical data on the computer

• B) Stores data and instructions temporarily

• C) Absorbs all of the heat away from the CPU to keep it cool

• D) Provides the computer with power

What is the purpose of the motherboard in a computer system?

• A) It is known as the heart of the computer where all the components connect

• B) It stores data such as files and the operating system

• C) It carries out the instructions of the computer

• D) It absorbs heat from the CPU

Which of the following is a search algorithm that works by repeatedly dividing the search space in half until the target value is found?

• A) Bubble sort

• B) Linear search

• C) Binary search

• D) Quick sort

How many bits are in a byte?

• A) 4 Bits

• B) 8 Bits

• C) 16 Bits

• D) 32 Bits

What is the value of the binary number 10101010 in decimal (Denary)?

• A) 85

• B) 170

• C) 255

• D) 128

What is the correct binary representation of the decimal number 98?

• A) 01100010

• B) 1100010

• C) 10011000

• D) 01100100