Computer Science Chapter 3: Loops – Class 12 Overview
Chapter 3, Loops, is a key topic in Class 12 Computer Science and is crucial for students preparing for FSC board exams as well as competitive entry tests like NUST, FAST, ECAT, and NTS. This chapter covers fundamental concepts including for, while, and do-while loops, nested loops, loop control statements like break and continue, and practical applications of loops in problem-solving. Understanding loops is essential for automating repetitive tasks and developing efficient programs.
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10. The relationship between the entities is represented graphically by using:
I. Which of the following keys does not hold uniqueness property
7. In ERD model, the relationship between two entities is represented by a
3. is called the preliminary investigation of the required database:
16. In E-R diagram, a diamond shape is used to represent a(n):
8. tools in involved to the Data Analysis:
17. A technique for physically arranging the records of a file on secondary storage device is called
9. The process to identify the data objects and the relationships between them is:
15. In E-R diagram, an oval shape is used to represent a(n):
I I. In hybrid distribution which kind of fragments are stored at only one site
20. is not related to an entity:
4. In activities, the possible inputs for the database are collected:
In E-R diagram, a rectangular box is used to represent a(n):
19. represents entity:
is the ingredient of data modeling:
18. An index may be created on
2. An entity related to itself in an ERD model refers to
5. In activities, the cost factors are taken into consideration:
12. What indicates the connection between entites
6. Database development process involve mapping of conceptual data model into
Importance of Loops for Exams
Mastering this chapter enhances logical thinking, coding efficiency, and problem-solving skills. Students can confidently attempt MCQs and programming questions related to loop execution, iterations, and nested loops. Regular practice ensures readiness for both entry test programming tasks and FSC board exam questions.
PLS Academy Chapter-Wise Computer Science Preparation
PLS Academy provides chapter-wise study material for Loops with clear explanations, sample programs, and exam-oriented MCQs. With structured guidance and topic-wise practice, students can strengthen their understanding of loop concepts, improve coding accuracy, and achieve top scores in both entry tests and FSC board examinations.
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