Algorithm and Control Structures Quiz

What is the main purpose of an algorithm in programming?

• To manage memory

• To store data

• To define procedural logic

• To create a user interface

Which of the following is NOT a type of control structure?

• Iteration

• Repetition

• Selection

• Sequence

What does pseudocode resemble?

• Flowcharts

• Natural language

• Mathematical equations

• Actual programming code

In a flowchart, which symbol represents a decision?

• Parallelogram

• Rectangle

• Oval

• Diamond

What type of selection structure checks multiple conditions?

• Nested Selection

• Single Selection

• Dual Selection

• Multiple Selection

Which of the following is an example of a counter-controlled loop?

• If statement

• Selection loop

• Case loop

• While loop

What is the output of the following pseudocode if the input number is 0? if (number == 0) print "number is zero"

• No output

• number is zero

• 0

• Error

Which control structure is used to repeat a block of code until a condition is met?

• Sequence

• Iteration

• Repetition

• Selection

In pseudocode, which keyword is typically used for a loop?

• while

• return

• if

• do

What is the purpose of a sentinel-controlled loop?

• To manage user input

• To execute indefinitely

• To stop when a specific value is entered

• To repeat a fixed number of times