Computer Science Trivia
What is the most commonly used operating system in the world?
What is Android
A list or collection of similar things.
What is array.
A numerical value that corresponds to a unique element in an array. They start at zero.
What is Index
Information is lost when power is off.
What is volatile
An diagram of a program, done in shapes.
What is a flowchart
What is the nationality of Alan Turing, a mathematician who broke ciphers during WW2?
What is British
A self-contained set of instructions for performing a specific task within a computer program.
What is a Function
A variable type that holds whole numbers
What is an integer
A detailed outline or rough draft of a program. Done in words.
What is a pseudocode
A binary digit with two possible values, 0 or 1.
What is Bit
What are the two types of repetition in algorithms?
For Loop
While Loop
A tag-based programming language designed to create websites.
What is HTML
How a computer displays or communicates information.
What is outputs
“Executing instructions repeatedly, either for a set number of times or depending on a condition” is a description of which programming construct?
Repetition
What is the name for when the result of an addition is too large for the number of bits the computer is working with?
Overflow
Write down the symbols for the five relational operators (equal to, less than, greater than, not equal to, less than or equal to, greater than or equal to):
==
<
>
<=
>=
A programming construct that allows for a block of code to be repeated multiple times.
What is a Loop
The computational method which is concerned with the removal of unnecessary detail is called...
Abstraction
real/float number
A variable type that represents a fraction.
USB memory sticks and SD cards all use which type of storage technology?
Solid State (Flash)
What is the difference between Lossy and Lossless compression?
Lossy compression permanently removes data from a file in order to reduce its size.
Lossless compression temporarily removes data from a file in order to reduce its size.
Give an example of a SYNTAX error
Missing a comma or a quotation mark, or misspelling a word
This is part of the CPU, and does the calculations inside a computer.
What is a ALU
Container for storing data values
What is a variable