What is abstraction?
Removing unnecessary details to focus on important information.
What is decomposition?
Breaking a problem into smaller parts.
What is an algorithm?
A step-by-step set of instructions to solve a problem.
Give one real-life example of decomposition.
Breaking a project into smaller tasks.
What is pattern recognition?
Finding similarities between problems.
Which flowchart symbol represents Start/End?
Oval.
Which symbol represents a Process?
Rectangle.
Which symbol is shaped like a diamond?
Decision symbol.
What does the parallelogram represent in a flowchart?
Input/Output.
What do arrows show in a flowchart?
Direction of flow.
What is a Boolean data type?
TRUE/FALSE.
Give an example of text data.
A string like ‘Hello’.
What is the Excel file extension?
.xlsx
Write a formula to add A1 and A2.
=A1+A2
What is a cell reference?
The address of a cell, e.g., B3.
Why must formulas start with ‘=’?
Because Excel identifies it as a formula.
Which file type is used for audio?
.mp3
Which file type is used for video?
.mp4
Why is JPEG smaller than PNG?
JPEG uses compression that reduces quality.
State one document file type.
.docx
What does LAN stand for?
Local Area Network.
What does WAN stand for?
Wide Area Network.
What is a server?
A computer that provides resources/services.
What is a client?
A device that requests resources.
