CS403 IMPORTANT MCQ’S FINAL TERM 23/24

Title: The Importance of Past Papers in Preparing for Final Exams in Virtual University

Introduction: Preparing for final exams in a virtual university can be a challenging task, but one of the best ways to ensure success is by using past papers. In this article, we’ll explore the importance of past papers in preparing for final exams in a virtual university.

1. Familiarize Yourself with Exam Structure One of the benefits of using past papers is that they give you an idea of the exam structure. By reviewing past papers, you can identify the types of questions that are asked and the format of the exam.
2. Identify Important Topics and Concepts Reviewing past papers can help you identify important topics and concepts that are likely to be tested on the final exam. This can help you focus your study efforts and avoid wasting time on irrelevant material.
3. Practice Time Management Past papers can also help you practice time management. By simulating the exam environment, you can get a sense of how long you should spend on each question and ensure that you have enough time to complete the entire exam.
4. Test Your Understanding Taking past papers under exam conditions can help you test your understanding of the material. By attempting the questions, you can identify areas where you need more practice and improve your understanding of the topics.
5. Build Confidence Practicing with past papers can also help build confidence. By familiarizing yourself with the exam format and testing your understanding of the material, you can enter the exam with more confidence and reduce test anxiety.
6. Improve Exam Performance Finally, using past papers can help you improve your exam performance. By identifying important topics, practicing time management, and testing your understanding, you can maximize your chances of success on the final exam.

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Created on February 22, 2023 By Dilawar

CS403 IMPORTANT MCQ'S FINAL TERM 23/24

1 / 25

Which feature of database provides conversion from inconsistent state of DB to a consistent state ensuring minimum data loss?

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User accessible catalog

Data processing

Authorization service

Recovery service

2 / 25

Which of the following statements is true about the views

view is always a complete set of all the tables in a database

View can not be used for retrieving data

The results of using a view are not permanently stored in the database.

Rows can not be updated or deleted in the view

3 / 25

Which of the following is true about TRUNCATE?

Can be Rolled back

Activates Triggers.

is DML Command.

Resets identity of the table.

4 / 25

Which of the following is the correct way to find out the size of cartesian product incase of CROSS JOIN

the number of columns in the first table multiplied by the number of columns in the second table

the number of columns in the first table multiplied by the number of rows in the second table.

the number of rows in the first table multiplied by the number of columns in the first table.

the number of rows in the first table multiplied by the number of rows in the second table.

5 / 25

Suppose there are 8 rows and 4 columns in TABLE1 and 3 rows and 4 columns in TABLE2; what is the size of the cartesian product incase of CROSS JOIN between these two tables

24

32

12

16

6 / 25

Which of the following is not one of the properties of Transaction?

atomicity

consistency

redundancy

durability

7 / 25

Which of the following is INCORRECT about VIEWS?

It is not possible to left out the data which is not required for a specific view

A database view displays one or more database records on the same page.

Views can be used as security mechanisms

Views are generally used to focus the perception each user has of the database

8 / 25

Each course section is assigned a particular faculty member, and each course section corresponds to a particular course. Conceptually, what is the relationship between faculty and course (not course section)

1:1

1:M

M:M

Ternary

9 / 25

Which of the following is used to add or drop columns in an existing table?

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ALTER

HAVING

SELECT

THEN

10 / 25

Which of the following is a correct way of selecting all the columns from a table called PERSONS

SELECT FROM * Persons

SELECT * FROM Persons

SELECT * WHERE Persons

SELECT WHERE * Persons

11 / 25

Which of the following is NOT a feature of Indexed sequential files?

Records are stored in sequence and index is maintained.

Dense and nondense types of indexes are maintained.

Track overflows and file overflow areas can not be ensured

Cylinder index increases the efficiency

12 / 25

Which of the following serves as a milestone or reference point in the log file

Constraints

Relations

Check points

Transactions identities

13 / 25

Which of the following is not true regarding DB transactions

A set of database operations that are processed partly

A database transaction is a logical unit of database operation

A database transaction must be atomic

A database transaction must contains the ACID property

14 / 25

Which of the following are the general activities, which are performed during the development of application programs?

Data input programs

Editing

Display

All of given

15 / 25

Browser based forms are developed in the following tools EXCEPT

HTML

Scripting language

Front Page

Web-based Forms

16 / 25

Which of the following is not a form of optical disk?

CD ROM

WORM

Erasable Optical

EEPROM

17 / 25

Which of the following is the correct description of cache hit?

When data is found in the cache

When data is removed in the cache

The number of times the cache is accessed directly by the processor

When data is lost from the cache

18 / 25

In which of the following situations, Clustering is suitable:

Frequently updating

Relatively static

Relatively deletion

Relatively dynamic

19 / 25

Only one type of constraint can be enforced in any table by CREATE command

True

False

20 / 25

Which of the following is disadvantage of chaining technique to handle the collisions?

Unlimited Number of elements

Fast re-hashing

Overhead of multiple linked lists

Maximum number of elements must be known

21 / 25

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Which of the following is a regular language?

String of odd number of zeroes

Set of all palindromes made up of 0‟s and 1‟s

String of 0‟s whose length is a prime number

All of these

22 / 25

Pumping lemma is generally used to prove that:

A given language is infinite

A given language is not regular

Whether two given regular expressions of a regular language are equivalent or not

None of these

23 / 25

Choose the incorrect (FALSE) statement.

A Mealy machine generates no language as such

A Mealy machine has no terminal state

For a given input string, length of the output string generated by a Moore machine is not more than the length of the output string generated by that of a Mealy machine

All of these

24 / 25

Which of the following is NOT a regular language?

String of 0‟s whose length is a perfect squere

Set of all palindromes made up of 0‟s and 1‟s

String of 0‟s whose length is a prime number

All of the given options

25 / 25

In CFG, the symbols that can‟t be replaced by anything are called___

Terminal

Non-Terminal

Production

All of given

Your score is

The average score is 52%

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0%

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Conclusion: In conclusion, past papers are a valuable resource for preparing for final exams in a virtual university. By familiarizing yourself with the exam structure, identifying important topics and concepts, practicing time management, testing your understanding, building confidence, and improving exam performance, you can increase your chances of success and achieve the grades you desire. So, make sure to use past papers as a key component of your exam preparation strategy.

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