JAMB Computer Studies questions

257 questions with answers and explanations. Tap an option to check yourself.

All topics Algorithms and flowcharts · 18 Application packages · 21 Computer hardware and the CPU · 20 Computer networks and the internet · 22 Computer security, ethics and safety · 18 Data processing and information · 18 Evolution of computing · 19 Input and output devices · 18 Logic gates and Boolean algebra · 18 Memory and storage devices · 21 Number systems and data representation · 23 Programming languages and BASIC · 21 Software and operating systems · 20

Question 1· Algorithms and flowcharts· JAMB
A trace table is used to
Explanation and discussion
Question 2· Algorithms and flowcharts· JAMB
A WHILE loop repeats its instructions
Explanation and discussion
Question 3· Algorithms and flowcharts· JAMB
The flowchart symbol used to show the start or end of a process is the
Explanation and discussion
Question 4· Algorithms and flowcharts· JAMB
Dry running an algorithm means
Explanation and discussion
Question 5· Algorithms and flowcharts· JAMB
Searching a sorted list by repeatedly halving it is
Explanation and discussion
Question 6· Algorithms and flowcharts· JAMB
A linear search checks items
Explanation and discussion
Question 7· Algorithms and flowcharts· JAMB
In the loop FOR I = 1 TO 5: S = S + I (S starts at 0), the final value of S is
Explanation and discussion
Question 8· Algorithms and flowcharts· JAMB
In a flowchart, a decision is represented by a
Explanation and discussion
Question 9· Algorithms and flowcharts· JAMB
Binary search requires the list to be
Explanation and discussion
Question 10· Algorithms and flowcharts· JAMB
Sequence, selection and iteration are the
Explanation and discussion
Question 11· Algorithms and flowcharts· JAMB
S = 0; for i = 1 to 4: S = S + i. What is the final value of S?
Explanation and discussion
Question 12· Algorithms and flowcharts· JAMB
X = 10; while X > 1: X = X / 2. How many times does the loop run?
Explanation and discussion
Question 13· Algorithms and flowcharts· JAMB
A good algorithm must
Explanation and discussion
Question 14· Algorithms and flowcharts· JAMB
A rectangle in a flowchart represents
Explanation and discussion
Question 15· Algorithms and flowcharts· JAMB
Bubble sort works by
Explanation and discussion
Question 16· Algorithms and flowcharts· JAMB
In a flowchart, input and output operations are shown by a
Explanation and discussion
Question 17· Algorithms and flowcharts· JAMB
An algorithm reads two numbers A = 8 and B = 3, then prints A MOD B. The output is
Explanation and discussion
Question 18· Algorithms and flowcharts· JAMB
A step-by-step set of instructions for solving a problem is
Explanation and discussion
Question 19· Application packages· JAMB
In a spreadsheet, the formula =SUM(A1:A4)
Explanation and discussion
Question 20· Application packages· JAMB
Software used to prepare slides for a talk is
Explanation and discussion

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JAMB Computer Studies questions

A trace table is used to

A WHILE loop repeats its instructions

The flowchart symbol used to show the start or end of a process is the

Dry running an algorithm means

Searching a sorted list by repeatedly halving it is

A linear search checks items

In the loop FOR I = 1 TO 5: S = S + I (S starts at 0), the final value of S is

In a flowchart, a decision is represented by a

Binary search requires the list to be

Sequence, selection and iteration are the

S = 0; for i = 1 to 4: S = S + i. What is the final value of S?

X = 10; while X > 1: X = X / 2. How many times does the loop run?

A good algorithm must

A rectangle in a flowchart represents

Bubble sort works by

In a flowchart, input and output operations are shown by a

An algorithm reads two numbers A = 8 and B = 3, then prints A MOD B. The output is

A step-by-step set of instructions for solving a problem is

In a spreadsheet, the formula =SUM(A1:A4)

Software used to prepare slides for a talk is