We have the Class 12 Computer Science Model Questions Pdf. Computer science is one of the most popular course wordwide. Students who love to study Iformation technology futuer, need to study Computer Science.
With the help of the following model Questions you can prepare for your examination. These model Question guidees you for the probable questions and patterns in the final exam.
Class 12 Computer Science Model Questions Pdf
Following are the Class 12 Computer Science Model Questions Pdf:
Group A
Rewrite the correct options of each question in your answer sheet.
1. In which normal form of database is atomicity introduced?
A) First B) Second C) Third D) Fourth
2. Which of the following techniques is not implemented to protect a database?
A) Rollback B) Backup C) Recovery D) Firewall
3. Which one of the following SQL commands is executed to display all the records having a second letter in the LNAME (LAST NAME) as “A” from the customer table?
A) SELECT * FROM CUSTOMER WHERE LNAME LIKE “?A%”;
B) SELECT * FROM CUSTOMER WHERE LNAME LIKE “_A%”;
C) SELECT * FROM CUSTOMER WHERE LNAME LIKE “A%”;
D) SELECT * FROM CUSTOMER WHERE LNAME LIKE “%A”;
4. Which of the following is an incorrect IP address?
A) 192.168.0.1 B) 192.168.1 C) 172.255.0.0 D) 202.10.79.4
5. Which of the following is a server-side scripting language?
A) JavaScript B) MySql C) PHP D) Jquery
6. Which of the following keywords are used to declare a variable in JavaScript?
A) int or var B) float or let C) var or let D) char or var
7. Which of the following commands is executed in PHP to concatenate the variables $x with $y?
A) $x + $y B) $x=$y C) concat ($x,$y) D) $x.$y
8. Which statement is incorrect about the object-oriented approach?
A) Emphasis is on data rather than procedure.
B) Data is hidden and cannot be accessed.
C) Objects communicate through functions.
D) It supports abstract data but not the class.
9. Which of the following feasibility studies is concerned with cost-benefit analysis?
A) Technical feasibility B) Economic feasibility C) Operational feasibility D) Schedule feasibility
Class 12 Computer Science Model Questions
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