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Showing posts with label NEB grade 11. Show all posts
Showing posts with label NEB grade 11. Show all posts

year 2077 first term question

 first term computer science question(2077)



Model questions(new syllabus)

 sample of model questions of computer science:

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Model Question

Grade XI

Time 2 Hours

Set-I


Group A: Multiple Choice Questions (9 x 1=9)

Tick the best alternative.

1. Which one of the following is an input device?

a) speaker b) printer c) monitor d) mouse

2. Which of the following is NOT a bus type?

a) Address bus b) Data bus c) Memory bus d) Control bus

3. How to represent Boolean F(x,y)=x.y in logic gate?


4. Which scheduling algorithm allocates the CPU first to the process that requests

the CPU first?

a) first-come, first-served scheduling c) shortest job scheduling

b) priority scheduling d) Round robin scheduling

5. Which operator is used to start for enter the formula in in Excel cell?

a) $ b) @ c) = d) +

6. Which looping process checks the test condition at the end of the loop?

a) for b) while d) do-while d) Nested loop

7. How to insert an image in web page using HTML tag?

a) <img=...> a) <img source=...> c) <img src=...> d) <img href=..>

8. Which image format is best used for photographs and offers a small file size?

(U)

a) PNG b) GIF c) BMP d) JPEG

9. Which of following is monitors user activity on internet and transmit that

information in the background to someone else? (U)

a) Malware b) Spyware c) Adware d) Virus


Group 'B'

Give short answer to the following questions. (5 x 5=25)

10. Explain different types of secondary memory of computer system.

OR

Describe the decimal to binary number conversion process with example.

11. What are the functions of operating system? Describe.

12. Define different types of CSS.

OR

Explain the different components of multimedia.

13. Differentiate between the do and while loop.

14. Suggest the prevention methods of cybercrime.

Group 'C'

Give long answer to the following question (2 x 8=16)

15. Explain computer architecture with block diagram and functions of its

components.

OR

Write a program to input the elements of 4 x 3 matrix and prints its elements

properly using array.

16. Draw AND, OR, XOR and XNOR gates with truth table and logic gates.

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 Set-II


Group A: Multiple Choice Questions (9 x 1=9)

Tick the best alternative.

1. Which one of the following is an output device?

a) speaker

b) printer

 c) monitor

d) All (a,b,c)

2. Which of the following is  a  type of port?

a) USB

b) FIREWIRE

c)HDMI

d) All (a,b and C)

3. Altogether we have …. Types of universal gates.

a) 2

b) 3

c)4

d) none of the above

4. ‘WINDOWS’ is an example of …. Operating system.

a) GUI based

b) Multitasking operating system

c) Multiprogramming operating system

d)All of the above

5. The example of the formula used in Excel is ….?

a) $A1+$B1

 b) $B$1

c) both a and b

d) None of the above

6. Which looping process checks the test condition at the beginning of the loop?

a) for

b) while

c) do-while

d) loop

7. Which tag is used to insert an image in HTML?

a) <embed>

b) <object>

c) <img src=...>

d) all of the above (a,b, and c)

8. ... are the components of Multimedia?

a) PNG image

b) audio files

c) a and b

d) none of the above

9. MCAfee is an example of …...

a) Malware

b) Software

c) Antivirus software

d) None of the above

Group 'B'

Give short answer to the following questions. (5 x 5=25)

10. What is memory? Explain about RAM. [1+4=5]

OR

Describe the  binary number subtraction using 2’s complement method with example. [2.5+2.5=5]

11. What is an operating system? Explain  some features of about GUI based  operating system?[2+3=5]

12. What is CSS concept? How would you use it in your web page? Give an example. [1+2+2]

OR

 Explain any five applications of multimedia.

13. What is a nested loop? Differentiate between the do and while loop. [2+3=5]

14. Define the term ‘Information Security’.Suggest the prevention methods of cybercrime. [2+3=5]

Group 'C'

Give long answer to the following question (2 x 8=16)

15. Explain computer architecture with block diagram and functions of its components.

OR

16)Write a program ,using switch ,to know the name of day on the basis entered number. E.g. [8]

If you enter 1, it says ,”It is Sunday”.

16. Explain about AND, OR, XOR and XNOR  logic gates. [4x2=8]



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Set- III

 

Group A: Multiple Choice Questions (9 x 1=9)

Tick the best alternative.

1. Full form of RAM is…..

a) Random Access Memory

b) Randomized Memory

 c) Read and Access Memory

d) All (a,b,c)

2. Which of the following is  the function of ALU  unit?

a) addition

b) subtraction

c)division

d) All of the above

3. NAND gate contains

a) First ‘NOT’ gate and then ‘AND’ gate

b) Two AND gates

c)Two Not gates

d) none of the above

4. Unix operating system was written in

a) C

b) Pascal

c) QBASIC

d)All of the above

5. Excel and Ms-word are ….. software?

a) Application

 b) System

c) antivirus

d) Operating system

6. ‘==’ is called ….. operator?

a) Relational

b) unary

c) equals to

d) a and c

7. HTML 5.0 uses the following ……. graphics tags?

a) canvas

b) canvas 2.0

c) SVG

d) a and c

8. ‘Jpeg’ is an extension of image files used in multimedia. It stands for ….

a) Joint Photographic Expert Group

b)  Joint Photo Expert 

c)  Joint Photographic Expert 

d)  Join Photo by Expert Group.

9. Which of the following belongs to “Intellectual property Rights”?

a) Inventions

b)Arts

c) Discoveries

d) all of the above (a,b and c)

Group 'B'

Give short answer to the following questions. (5 x 5=25)

10. Define the term ‘bus’.Explain its types. [1+4=5]

OR

What is a binary number system?Write the steps to perform decimal to octal conversion with supporting example. [1+2+2=5]

11. What is an Open Source operating system? List out some features of android mobile operating system? [2+3=5]

12.Explain any five tags with attributes used in HTML 5.0 [5x1=5]

OR

 Explain any five uses of multimedia.

13. What is an operator? EXplain about ternary and sizeof() operator. [1+4=5]

14. Define the term ‘Cybercrime’.Suggest the prevention methods of cybercrime. [1+4=5]

Group 'C'


Give long answer to the following question (2 x 8=16)

15. Explain any four input devices. [4x2=8]

OR

Write a program to show the concept of any four string handling functions.

16. Define the term Logic function.Explain about X-OR ,X-NOR and NOR gates. [2+6=8]

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Set-IV


Group A: Multiple Choice Questions (9 x 1=9)

Tick the best alternative.

1. We can find microprocessor and memory on….

a)Motherboard

b) on keyboard

 c) inside the mouse

d) None of the above

2. Which unit controls the movement of  signal between cpu and I/O?

a) Control unit

b) Arithmetic and logic unit

c)Primary memory

d) All of the above

3. AND gate performs

a) multiplication operation

b) addition operation

c) both a and b

d) none of the above

4. Which is not a multitasking operating system?

a) DOS

b) LINUX

c) WINDOWS

d)All of the above

5. In excel, sum() function is used to find...

a) sum of different cells in column

 b) sum of different cells in rows

c) both a and b

d) All(a,b and c )

6. Which is a valid identifier/variable name in C?

a) int a1;

b) int a-1;

c) int 1a;

d) int a  b -1;

7. If we want to insert table in HTML we use...?

a) <table> tag

b) <image> tag

c) <body> tag

d) <table structure> tag

8. Which of the following is not a video extension/type ?

a) .mp4

b)  .mpg

c)  .wmv

d)  .sdv

9. Which of the following is a type of hacker?

a) white hacker

b)black hacker

c) grey hacker

d) all of the above (a,b,c)

Group 'B'

Give short answer to the following questions. (5 x 5=25)

10. Define the term Microprocessor’.Write its functions. [1+4=5]

OR

What is a decimal number system?Write the steps to perform decimal to binary conversion with supporting example. [1+2+2=5]

11. What is an “Open Source software” ? List out some features of IOS mobile operating system? [2+3=5]

12.List any three tags available in HTML 5.0 and explain anyone with an example. [1.5+3.5=5]

OR

 What is multimedia? Explain any two uses of multimedia.

13. What is an array? Explain its types. [1+4=5]

14. Define the term Digital society’.What are the challenges we have been facing to use digital society.[1+4=5]

Group 'C'

Give long answer to the following question (2 x 8=16)

15. What is a memory? Classify it. Explain any two types of primary memory. [1+2+5=8]

OR

An array contains 20 elements. Now, write a program to find total positive numbers and negative numbers.

16. Define the term Boolean Algebra.Explain about basic gates. [2+6=8]


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Set-V

NEB-GRADE XI

Computer Science

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

Time: 2 hrs. Full Marks: 50

Group ‘A’

(Multiple Choice Questions)

Tick the best alternative. (9x1=9)

  1. Which one of the following is storage device?

(a) keyboard (b) monitor (c) hard disk (d) printer

  1. Which of the following is NOT a ROM type?

(a) DROM (b) PROM (c) EPROM (d) EEPROM

  1. How to represent Boolean F(x,y)=(x.y)’ in logic gate?


  1. android OS is developed by …

(a) Apple (b) Microsoft (c) amazon (d) google

  1. Which of the following is correct cell address?

(a) 4A (b) A4 (c) A.4 (d) None

  1. What are the major components of selection structure?

(a) condition (b) true statement (c) false statement (d) all

  1. Which one is the correct HTML code to give one space?

(a) &nbsp; (b) &space; (c) &sp; (d) None

  1. Multimedia can be used in …

(a) Education (b) Entertainment (c) Engineering (d) All of them

  1. The basic components of information security are…

(a) confidentiality (b) Integrity (c) Availability (d) all 

Group ‘B’

Give short answer to the following questions. (5x5=25)

  1. Explain primary memory of computer system.

OR

Describe the hexadecimal to binary number conversion process with example.

  1. Define operating system? Why GUI based operating system is more popular than CUI?

  2. Define CSS. Explain internal CSS with an example.

OR

How can multimedia be used in education and business? Explain.

  1. Explain FOR loop.

  2. What is computer ethics? What are the commandments of computer ethics?

Group ‘C’

Give long answer to the following question. (2x8=16)

  1. Draw block diagram of computer system. Explain control unit in details.

OR

Write a program to subtract two 2x2 matrices.

  1. Draw OR, NAND, NOR and XNOR gates with truth table and logic gates.

The End

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Set-VI

NEB-GRADE XI

Computer Science

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

Time: 2 hrs. Full Marks: 50

Group ‘A’

(Multiple Choice Questions)

Tick the best alternative. (9x1=9)

  1.  Which of the following is softcopy output device?

(a) monitor (b) printer (c) scanner (d) all

  1. Which of the following is flash memory?

(a) pen drive (b) CD (c) DVD (d) hard disk

  1. How to represent Boolean F(x,y)=x+y in logic gate?


  1.  Which of the following is NOT open source software?

(a) Linux (b) android (c) moodle (d) windows 10

  1.  Which function in Excel tells how many numeric entries are there?

(a) NUM (b) SUM (c) COUNT (d) CHKNUM

  1. Which of the following is NOT jumping statement?

(a) break (b) continue (c) goto (d) for

  1. The correct sequence of HTML tags for storing a webpage?

(a)Head, Title, HTML, Body (b) HTML, Body, Title, Head

(c) HTML, Head, Title, Body (d) HTML, Head, Title, Body

  1.  The use of … in multimedia material makes it easier to search and view related content.

(a) Linkage (b) Hyperlink (c) Link (d) Connection

  1. In which of the following, a person is constantly followed/ chased by another person or group of several peoples?

(a)Phishing (b) Bulling (c) Stalking (d) Identity theft

Group ‘B’

Give short answer to the following questions. (5x5=25)

  1. Explain impact printers.

OR

Describe the octal to decimal number conversion process with example.

  1. Define OS. Describe the role of operating system.

  2. What is hyperlink? Explain its types with examples.

OR

Define multimedia. Explain the uses of multimedia.

  1. Explain switch case statement of C language.

  2. What are the advantages and disadvantages of digital signature?

Group ‘C’

Give long answer to the following question. (2x8=16)

  1. What is computer system? Explain input and output unit with its block diagram.

OR

Write a program to input 10 integer numbers and display them in ascending order.

  1. What is truth table? Explain AND, OR and NOT gates.

The End

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Set-VII

NEB-GRADE XI

Computer Science

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

Time: 2 hrs. Full Marks: 50

Group ‘A’

(Multiple Choice Questions)

Tick the best alternative. (9x1=9)

  1. Which one is pointing device?

(a) Mouse (b) Mouse (c) printer (d) scanner

  1. What is the small unit of the information?

(a) a bit (b) a byte (c) a block (d) a nibble

  1. How to represent Boolean F(a,b)=a.b+a’.b’ in logic gate?


  1. From where we can change the name of an user account?

(a) settings (b) computer name (c) code panel (d) control panel

  1. A features that displays only data in column according to specified criteria is …

(a) Formula (b) Sorting (c) Filtering (d) Pivot

  1. Which loop is faster in C language?

(a) for (b) while (c) do while  (d) all work at same speed

  1. Which of the following tag is used for inserting the largest heading in HTML?

(a) <h4> (b) <h3> (c) <h6> (d) <h1>

  1. GIF stands for …

(a) Graphic Interconnection File (b) Graphical Interface Format

(c) Graphic Information Format (d) Graphic Interchange Format

  1. Which one of the following usually used in the process of Wi-Fi hacking?

(a) Aircrack-ng (b) Wireshark (c) Norton (d) All

Group ‘B’

Give short answer to the following questions. (5x5=25)

  1. What is memory? Explain optical memory.

OR

What is decimal number system? Write the steps to convert decimal to hexadecimal number with an example.

  1. Describe the terms multitasking and multiprogramming.

  2. Differentiate between ordered and unordered list with respective examples.

OR

Define multimedia. Explain the different components of multimedia.

  1. Define data types. Explain different types of data types used in C.

  2. How do you know that your computer has been victim of a malware attack?

Group ‘C’

Give long answer to the following question. (2x8=16)

  1. Explain impact and non-impact printers in details,

OR

Write a program which reads any two integer numbers and calculates sum, difference and product using switch statement.

  1. Explain NAND gate. State and prove De-Morgan’s theorem.

The End


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Set-VIII

Model Question 

Grade XI 

Time 2 Hours 

Group A: Multiple Choice Questions (9 x 1=9) 

Tick the best alternative

1) Which of the unit controls overall operation of the computer?

a) Control Unit b) Memory Unit c) Input Unit d) Output Unit 

2) Third generation computers are based on which technology?

a) Vaccum Tubes b) Microprocessor   c) Transistors d) Integrated Circuit

3) Which gate performs logical multiplication?

a) AND Gate b) OR Gate c) NOT Gate d) NAND Gate

4) Which of the following developed Android OS?

a) Apple Inc. b) Google c) Samsung Electronics d) Oracle Corporation

5) What is the intersection of rows and columns in excel called?

a) Cell b) formula c) Cell address d) Worksheet

6) Which specifier character is used for decimal integer?

a) %d b) %f c) %c d) %s

7) Which HTML tag is used for formatting paragraphs?

a) <p> b) <font> c) <br> d) <hr>

8) Which is not the component of multimedia?

a) Images b) Audio c) Video d) Pendrive

9) Which one of the following is not type of cybercrime?

a) Identity theft   b) Credit Card Fraud     c) Social Engineering    d) e-commerce

Group 'B'

Give short answer to the following questions. (5 x 5=25)

10) Explain different types of characteristics of computer?

OR

What is decimal number system and binary number system define with example? Convert (723)8 = ( )16 and (A6F)16 = ( )8?

11) What is an operating system? Explain any three functions of operating system?

12) Explain about the following HTML tag with example: <font>, <br>

OR

What is the multimedia? List and explain the components of multimedia?

13) What is an operator? Explain assignment, Ternary and comma operators with examples?

14) What are the basic principles of information security? Explain them?

Group 'C'

Give long answer to the following question (2 x 8=16) 

15) Explain the role of memory in a computer and different between main memory and auxiliary storage.

OR

Write a program to find whether given number is prime or composite.

16) Explain De-Morgan’s theorem with truth table and logic diagram.

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Set-IX

Model Question Grade XI 

Time 2 Hours 

Group A: Multiple Choice Questions (9 x 1=9) 

Tick the best alternative

1) Which of the unit performs arithmetic and logical operation of the computer?

a)ALU b) Memory Unit c) Input Unit d) Output Unit 

2) Second generation computers are based on which technology?

a) Vaccum Tubes b) Microprocessor   c) Transistors d) Integrated Circuit

3) Which gate performs logical addition?

a) AND Gate b) OR Gate c) NOT Gate d) NAND Gate

4) which of the following developed Mac OS?

a) Apple Inc. b) Google c) Samsung Electronics d) Oracle Corporation

5) What is the collection of cells organized in rows and columns called?

a) Cell b) formula c) Cell address d) Worksheet

6) Which specifier character is used for string?

a) %d b) %f c) %c d) %s

7) Which tag is used for making text bold?

a) <p> b) <b> c) <br> d) <hr>

8) Multimedia is widely used to add special ____ to movies.

a) arrangement b) attachments c) control d) effects

9) MCAfee is an example of

a) Antivirus b) Photo editing software c) Virus d) Quickheal

Group 'B'

Give short answer to the following questions. (5 x 5=25)

10) Define computer. Explain the features of third generation computer.

OR

Subtract (11001)2  from (11110)2 by using 1`s and 2`s complement.

11) What is operating System? Describe Android OS and Mac OS.

12) What is HTML? Describe the types of links which are used in web page design.

OR

Describe any five applications of multimedia.

13) What are the differences between while and Do while loop? 

14) List out the merits and demerits of digital signature.

Group 'C'

Give long answer to the following question (2 x 8=16) 

15) Define memory? Explain the types of memory in details

OR

Write a program to find greatest number among four given numbers.

16) Explain any four logic gates with truth table, logic diagram and Venn diagram.

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Set-X

Model Question 

Grade XI 

Time 2 Hours 

Group A: Multiple Choice Questions (9 x 1=9) 

Tick the best alternative

1) What is one's ability to use technology while moving is called?

a) Laptop b) Supercomputer c) Mobile Computing   d) Output Unit 

2) Fourth generation computers are based on which technology?

a) Vaccum Tubes b) Microprocessor   c) Transistors d) Integrated Circuit

3) Which logic gate that will have "1" at its output when any one of its inputs is "1" ?

a) AND Gate b) OR Gate c) NOT Gate d) NAND Gate

4) Which of the following is the distribution of Linux?

a) Apple Inc. b) Google c) Fedora d) Oracle 

5) To apply center alignment to a paragraph we can press

a) Ctrl + S b) Ctrl + C c) Ctrl + C + A d) Ctrl + E

6) What is the memory size of int data type?

a) 4 b) 8 c) 2 d) 1

7) Which HTML tag is used for displaying the texts on new line?

a) <p> b) <b> c) <br> d) <hr>

8) Which of the following is components of multimedia?

a) Text b) Images c) Audio d) All

9) Which of the following reflects society’s views about what is right and what is wrong?

a) Ethics b) Hacker c) Cyber Law d) Cybercrime

Group 'B'

Give short answer to the following questions. (5 x 5=25)

10) Define the term bus. Explain different types of bus.

OR

Subtract (11001)2  from (11110)2 by using 1`s and 2`s complement.

11) Explain different types of software.

12) Define HTML. Explain the importance of HTML in web page designing.

OR

Describe any five components of multimedia.

13) What is data type. Describe four different types. 

14) What are the advantages of cyber security?

Group 'C'

Give long answer to the following question (2 x 8=16) 

15) What is memory? Differentiate between primary memory and secondary memory? Why hard disk is popular than floppy disk? Explain.

OR

Write a program to display multiplication table of 6.

16) What is logic gate? Differentiate between AND Gate and OR Gate. Draw the logic diagram and Venn diagram of NAND Gate.