Computer Science GCSE General Knowledge Quiz

What does MOD do?

• returns the remainder

• returns the sum of all elements

• returns the whole number of division

• multiplies the hex number by bin 3

Which type of lists or data sets are linear searching algorithms used for?

• Unsorted lists or data sets
• Sorted lists or data sets

Which type of lists or data sets are binary searching algorithms used for?

• Unsorted lists or data sets
• Sorted lists or data sets

A linear search is to be performed on the list:
12   6   8  1  3
How many comparisons would it take to find number 1?

• 1
• 2
• 3
• 4

A binary search is to be performed on the list:
3  5  9  10  23
How many comparisons would it take to find number 9?

• 0-1
• 2-3
• 4-5
• I can't find the number 9

Which of the following is the definition of pseudocode?

• A container which is used to store values such as the number of attempts a person tries to log on to a network.
• A language that is similar to a real programming language, but is easier for humans to understand although it doesn’t actually run on a computer. It can easily be converted to a regular programming language.
• A value that cannot be altered by the program during normal execution: the value stays the same. 
• Messages to explain to others, and often to remind yourself, what the code is intended to do. 

What logic gate is this?

• OR
• NOT
• AND 
• THE

What logic gate is this?

• AND
• OR 
• NOT
• TO

What logic gate is this?

• AND 
• OR 
• NOT 
• THE

What is the correct definition of an algorithm?

• An algorithm is a step by step instructions to solve a problem.
• An algorithm is a process of baking bread.
• An algorithm is a software used to compute numbers.
• An algorithm is the process of breaking problems.