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Class 10 Computer Chapter 4: Data and Repetition MCQs With Explanations

Practice Class 10 Computer Chapter 4: Data and Repetition MCQs with explanations for Pakistani board exams. Includes solved objective questions, answer checking, chapter revision guidance and next chapter suggestions.

MCQs / Class 10 / Computer / Chapter 4: Data and Repetition
10 MCQs

Chapter 4: Data and Repetition Objective Preparation

Use this page for direct chapter practice, answer checking and explanation review. It is available through the clean URL shown in the browser, so students can bookmark and share this exact chapter.

10Total MCQs
10With explanations
3Topics represented

Topics found: Loops, For Loop, Arrays

Data and Repetition MCQs With Explanations

Q1. Which of the following loop is not available in C language?
Wend is not a loop construct in C; it is used in some other languages like BASIC but not in C.
Q2. Which control structure in C is used to repeat a set of statements?
Loops are control structures designed to repeat a block of code multiple times based on a condition.
Q3. There are three expressions in for loop statement separated by:
The three expressions in a for loop — initialization, condition, and increment — are separated by semicolons.
Q4. In for statement, this expression is executed only once:
Initialization runs only once at the start of the for loop, while condition and increment run repeatedly.
Q5. What is the final value of i after executing the following code? for(int i = 1; i <= 4; i++)
The loop increments i until i <= 4 fails; after the last iteration where i=4, i is incremented to 5 and the loop exits.
Q6. If the size of an array is 101, the range of index will be:
Array indices in C start at 0, so an array of size 101 has valid indices from 0 to 100 inclusive.
Q7. What is the output of the following code segment? Int n[4]={8,7,6,3}; Printf("%d",n[3]);
The array n[4] = {8,7,6,3} has indices 0 to 3; n[3] accesses the fourth element, which is 3.
Q8. Which of the following is used to access a specific element of an array?
Arrays are accessed using indices, which are integer values enclosed in square brackets to retrieve elements at specific positions.
Q9. What is the index number of last element of an array with 5 elements?
Array indices start at 0, so an array with 5 elements has indices 0 through 4, making 4 the last valid index.
Q10. Array elements are stored at _______ memory locations.
Array elements are stored in contiguous memory locations to allow efficient indexing and access via pointer arithmetic.

After Chapter 4: Data and Repetition, Practice Next Chapters

Once you finish these MCQs, continue with the next available chapters from Computer so your revision stays chapter-wise and complete.

Chapter 4: Data and Repetition Revision Guide

Complete the MCQs first, then review every incorrect answer against the textbook heading where that concept appears. For biology and other science subjects, pay attention to terminology, diagrams, sequence of processes, examples and differences between similar structures or functions.

This chapter page keeps the exact class, subject, chapter, question count, answer checking, explanations and follow-up chapters together, so students can revise from one focused URL instead of searching through the full book again.

Class 10 Computer Science MCQ Preparation: Data and Repetition

This page supports Matric Part 2 practice in Computer Science. At this stage, the main purpose is strengthening final-year matric concepts and preparing for cumulative school and board assessments. The questions available here should be used with the current textbook and the instructions issued by the learner's school or examination board.

What Computer Science MCQs can test

In Computer Science, objective questions commonly draw on hardware and software concepts, data representation, networks, algorithms, programming syntax, logic, databases and digital responsibility. A useful answer is based on the exact wording and concept, not simply on recognising a familiar option. For this subject, learners should trace instructions in order, distinguish related technical terms and test small code or logic examples step by step.

Data and Repetition: what to focus on

Technical vocabulary, system roles, ordered procedures, data handling, logic and the output of instructions.

Trace the process one step at a time and write how the input, stored value or output changes at each stage.

Common mistakes for Class 10 learners

In this subject, frequent errors include confusing hardware with software roles, ignoring syntax, skipping an algorithm step or predicting output without tracing variable changes. Review textbook exceptions, diagrams, units and similar-looking statements because these often cause avoidable objective-question errors. When the page marks an answer as incorrect, the next step should be to identify the mistaken idea and verify it, rather than memorising the displayed answer letter.

A practical revision routine

Alternate chapter revision with short mixed tests so that older material remains active while new chapters are completed. Before attempting the MCQs, review technical definitions, comparisons, diagrams, algorithm stages, code traces, database terms and practical examples. Complete a manageable set without notes, check the result, and divide errors into missing knowledge, misunderstood concepts and careless reading. Revise the appropriate section before repeating the chapter.

How to review Data and Repetition after the quiz

List the questions you missed from Data and Repetition and write the textbook heading connected with each one. Explain the correct idea in your own words, then return later and answer a fresh set. This gives the chapter page a clear purpose: finding specific weaknesses in Computer Science rather than only collecting a score.

Accuracy and responsible use

Explanations are provided where they exist in the question bank, but educational databases can contain incomplete or mistaken material. Confirm disputed answers with an authoritative textbook or teacher. Ahmad Learning Hub provides a practice resource and does not claim that a question will appear in an examination or that every available item represents an official board question.