Computer science Topic 1 python

python...

What is an algorithm?

An algorithm is a set of instructions given to function

What is sequencing?

Sequencing is doing something in an order to do it correctly

What is abstraction?

Pulling out specific differences to make one solution work for many problems

What is Decomposition?

Break down a problem into smaller pieces

What is a variable?

A value stored in memory that is accessed using a name orr label

Primitive data types:

Boolean , integer , string , float

Boolean:

true or false

String:

“text in quotations”

Integer:

Whole numbers ( eg : 1, 4 , 3 )

Float:

Decimal numbers ( Eg: 1.43)

Flowcharts: rectangle is?

The process symbol →Any action that needs to be carried out

Flowcharts: The diamond symbol is?

The decision symbol → It is used for when the computer needs to make a decision for the output

Flowcharts: Paralellogram symbol is?

Input/ output symbol → It is used any time to take an input or output value

Whats a condition?

a statement which compares one value with another. Result is either True or false

Reational operators:

== → equal to , < → less than , > → Greater than ,! = → not equal to , <= → less tha or equal to , >= → Greater than or equal to