ENOTES

NEB class 11 computer science important model question

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National Examination Board (NEB) new course computer science important questions of class 11.

Exam grid:

NEB grid of computer scineceModel 'A'Model 'B'
Long question (10-marks)3x10=304x10=40
Short question (5-marks)9x5=457x5=35
 Total = 75Total = 75

 

National Examination Board

Model Question - 1

Computer Science

Sub Code 130 

Class: XI  Subject: Computer Science   F.M.: 75   Time: 3 hrs                               

Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.

Group 'A'

(Long answer questions)

 Attempt any three questions. (3 x10=30)

1. What is Boolean algebra? Describe AND and NAND gates with logic symbol, truth table and Venn diagram. 4+6 

2. Define generation of computer. Write features of all generations of computer. 4+6

3. What is Operating System (OS)? Describe is functions in brief. 2+8 

4. What is programming language? Describe the various programming languages with their merits and demerits. 2+8                                                                                                               

Group 'B'

(Short answer questions)

Attempt any nine questions.  (9x5=45)

5. Differentiate between analog and digital computer. 5

6. Convert (513)10 Decimal number to (..)2 Binary number. 5 

7. What is ROM? List out the different types of ROM. 2+3 

8. Describe the DeMorgan's Law. 5 

9. What is secondary memory? Explain about hard disk. 2+3

10. Differentiate between CLI and GUI operating system.5 

11. Explain the compiler and interpreter. 5

12. Define social media. Describe negative impact of social media. 2.5+2.5

13. Explain the tag and Error! Filename not specified. tag with its properties and values. 2.5+2.5 

14. What are the features of spreadsheet? Explain. 5                                                                                                     

15. Short notes: 2.5+2.5

 a) URL 

 b) Mobile computing  

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National Examination Board

Model Question - 2

Computer Science

Sub Code 130

Class: XI  Subject: Computer Science  F.M.: 75  Time: 3 hrs                               

Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.

 

Group 'A'

(Long answer questions)

 Attempt any three questions. (3 x10=30)

1. Define computer. Explain different units of computer with block diagram. 4+6 

2 Explain any five logic gates with gate symbol and truth table. 4+6 

3. What is Operating System (OS)? Explain the types of operating system. 2+8 

4. Define programming language? Explain merits and demerits of 1GL, 2GL and 3GL. 2+8

 

Group 'B'

(Short answer questions)

Attempt any nine questions. (9x5=45)

5. Explain any five features of computer. 5

6. Perform following using 1’sand2’s complement. (1000)2-(111)2   5

7. Define cell referencing. Explain different types of cell referencing. 2+3 

8. Describe the DeMorgan's Law. 5 

9. Differentiate between primary and secondary memory with example. 2+3 

10. Differentiate between CUI and GUI with example. 5 

11. Define control structure. Explain types of control structure. 1+4

12. Describe positive and negative impact of internet in society. 2.5+2.5 

13. Define DBMS. Write the advantages of DBMS. 2.5+2.5

14. Explain the importance of mobile-computing. 5                                                                                                          

15. Short notes: 2.5+2.5

 a) System and program flowchart

 b) Micro-computer

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Click here to see full notes of Class 11 Computer Science.

 

All Possible NEB Question computer science class 11.

Long question [Each questions carries 10 marks]

  1. Define generation of computer. Explain the features of all generations.
  2. Define computer. Explain block diagram of computer and different units of computer.
  3. Explain any five logic gates with graphical symbol and truth table.
  4. Define memory. Explain different type of memory used in our computer system.
  5. Define operating system. Explain the types of operating system.
  6. Define programming language. Explain different types of programming language with its pros and cons.
  7. Define Internet? Discuss positive and negative impacts of internet in society.

Short questions [Each questions carries 5 marks]

  1. Define computer. Explain its features.
  2. Write down the pros and cons of computer.
  3. Differentiate between third and fourth generations of computer.
  4. Differentiate between analog and digital computer with example.
  5. Define micro-computers. Explain its types.
  6. State and prove De-Morgan’s Theorem.
  7. Differentiate between primary and secondary memory.
  8. Differentiate between system and application software.
  9. Explain block diagram of computer.
  10. Differentiate between CLI and GUI.
  11. Define operating system. Explain the functions of OS.
  12. Differentiate between system and program flowchart.
  13. Define language translator. Explain its type.
  14. Define word processor. Explain its feature.
  15. Define cell referencing. Explain different types of cell referencing.
  16. Define e-mail. Write down the advantages of e-mail.
  17. Explain the importance of mobile-computing.
  18. Define HTML. Write the advantages of HTML.
  19. Define DBMS. Write the advantages of DBMS.
  20. Write short note on. Web browser, Open source software.
  21. Perform following:

(110)10=(?)2.       (9876)10 = (?)16

(101010)2=(?)10       (BAD)16 = (?)10

(546)8=(?)10.        (FACE)16 = (?)8 

(654)10=(?)8.         (767)8 = (?)16

22. Perform following using 1’s and 2’s complement.

(10000)2-(1111)2         (101011)2 - (110)2

(11001) 2-(1110) 2       (1100)2-(111)2