Computer Science Class 12 Guess Paper

Very Important Multiple Choice Questions (MCQs), Short Questions and Long Questions in the form of Computer Science Class 12 Guess Paper written by Professor Mr. Adan Haider Suib. These notes are very helpful in the preparation of Computer Science for the students of the intermediate and these are according to the paper patterns of all Punjab boards.

• Here are the detailed Computer Science Class 12 Guess Paper to help you prepare for your exams.
• Most Important multiple choice questions of Computer Science class 12th repeated from previous 20 past papers of all the Punjab Boards. 
• 1 Which of the following type of file require largest processing time?
• (a) Sequential file  (b) Random file (c) Indexed sequential file (d) Direct access file
• 2 Which of the following may be a temporary file?
• (a) Master file (b) Transaction file (c) Backup file (d) None of these
• 3 Which of the following represents a collection of concepts that are used to describe the structure of a database?
• (a) Data warehouse (b) Data model (c) Data structure (d) Data type
• 4 Which of the following data model is more flexible?
• (a) Network data model (b) Hierarchical data model (c) Relational data model (d) Object data model
• 5 SQL is a(n):
• (a) Unstructured language (b) Structured language (c) Object oriented language (d) Software
• 6 The manipulated and processed data is called:
• (a) Object (b) Information (c) Data (d) None
• 7 The process of arranging data in a logical sequence is called:
• (a) Sorting (b) Summarizing (c) Data capturing  (d) Classifying
• 8 A collection of raw facts and figures is called:
• (a) Data (b) Information (c) Processing (d) None
• 9 The smallest meaningful unit of data in a database is called:
• (a) Byte  (b) Record (c) Character (d) Field
• 10 A collection of related fields is:
• (a) File (b) Record (c) Database   (d) None
• 11 ......... type requires largest processing time.
• A Random file (b) Direct access file (c) Sequential file (d) Index sequential file
• 12 Which of the following may be temporary file?
• (a) Master file (b) Data file (c) Transaction file (d) Program file
• 13 A logical grouping of characters is a:
• (a) Filed (b) Record (c) File (d) All
• 14 A ......... can store text only.
• (a) Binary (b) Text file (c) Exe file (d) Object file
• 15 Which one of the following type of file requires largest processing time?
• (a) Sequential file (b) Random file (c) Indexed sequential file (d) Direct
• Most Important Short and Long Questions of Computer Science class 12th repeated from previous 20 past papers of all the Punjab Boards. 
• Differentiate between Data and Information.
• Describe Data Capturing.
• Describe Data Manipulation.
• What is meant by Reproduction?
• Define data inconsistency? 
• Differentiate between logical database design and physical database design.
• What is meant by entity integrity?
• How is Entity Integrity maintained?
• Difference between degree of relation and cardinality of relation.
• Define Integrated Development Environment (IDE).
• List some advantages of IDE. 
• List two disadvantages of integrated development environment.
• Write a C-statement to initialize three integer variables named A, B and C and assign them the values 10, 20 and 30 respectively?
• Write a C-statement which declare three floating point variable a, b and c in a single line?
• What is meant by programming language? Discuss different types of programming languages.
• Write a program that inputs three numbers and displays the maximum number by using if-else, if statement.
• What is for loop? Write down syntax and working of for loop with example.
• Write down the step-by-step procedure to create a C-program?
• Write a program in C-language that accepts three numbers from user and display the largest number using nested if.
• What is for next loop? Write down syntax and working of for next loop with example.
• How can we create a project in VB? Explain its different steps.
• Write a program in VB that input three numbers by using three text box and display the largest number.
• What is nested loop? Write its syntax and explain its working with flowchart and example
• Describe characteristics of High-Level Language.
• Write a program to swap the value of two variables without using third variable.