BBOSE Class 12 Model Questions for Computer Science

Bihar Open School

Model
Questions
Question
Bank

Class – XII
fo"k;&daI;wVj foKku@Sub- COMPUTER SCIENCE
fo"k; dksM&322@Sub. Code-322
I.lgh ;k xyr fy[ks@
a Write True or False :

1. Dir ,oa LS dek.M dk iz;ksx Qkby fuekZ.k ds fy, fd;k tkrk gSA
Dir and LS commands are used for creating file

2. isUV cz'k dk ,DVs'a ku .bmp gksrk gSA
The extension of Point brush is bmp.

3. uksV iSM ,oa oMZ iSM dk ,DlVs'a ku Ext gSA
The extension of Notepad and Wordpad is Ext.

4. MS Excel esa jkW ,oa dkWye ds uke dks cnyk tk ldrk gSA
Row and Column name can be changed in Ms Excel.

5. FTP dk iz;ksx MkmuyksfMax ,oa viyksfMax ds fy, gksrk gSA
FTP is used for downloading and uploading.

6. osc ist flQZ vaxzsth Hkk"kk esa iznf'kZr gksrs gSaA
Web page is displayed only in English.

7. isUV cz'k dk ,DlVsU'ku .bat gksrk gSA
The extension of Paint brush is .bat.

8. LS dek.M dk iz;ksx Qkby fuekZ.k ds fy, gksrk gSA
LS command is used to create a file.

9- uksViSM ,oa oMZiSM dk ,DlVs'a ku .txt gksrk gSA
The extension of Notepad and Wordpad is .txt.

10- ekm'k fMokbl dk iz;ksx MkWl esa fd;k tkrk gSA
Mouse device is used in DOS.

11- ^lh* ,d ds'k lsfa lfVo (Case Sensitive) Hkk"kk gSA
'C' is a case sensitive Language.

12- if ....... else dFku ,d daMh'kuy dFku gSA
if ............. else statement is a conditional statement.

13- MkWl ls fMfyV dh gqbZ Qkby ,oa QksYMj fjlkbfdy fcu esa tkrh gSA
In DOS recyle bin holds the deleted files and folders.

14- Date dk iz;ksx MkWl ,oa ;wfuDl nksuksa esa le; ,oa fnukad ds fy, gksrk gSA
Date command is used for date and time both in DOS and UNIX.

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15- dUVªksy iSuy dk mi;ksx fizUV djus ds fy, gksrk gSA
The control panel is used to print the files.

16- fjdflZo ,d QaD'ku gksrk gS tks Lo;a dks ckj ckj cqykrk gSA
Recursive function iteratively calls itself.

17- ekud ykbczsjh QaD'ku ;wtj cukrs gSaA
The standard library functions are created by user.

II. cgqfodYih; iz'u /Multiple Choice Questions

1. duZy (Karnel) dsUæ fcUnq gSA
Kernal is the central point of

¼d½ MS- DOS ¼[k½ Window O/s
¼x½ Unix OS ¼?k½ All of the above

2. ,e0 ,l0 oMZ esa Header and Footer fodYi fdl esuw ls gksrk gS \
In MS-Word Header and Footer option is present in which menu ?

¼d½ Insert Menu ¼[k½ View Menu
¼x½ Format Menu ¼?k½ Table Menu

3. = SUM D;k gS \

¼d½ QkewZyk ¼[k½ QaD'ku
¼x½ MkVk ¼?k½ lHkh

What is = SUM ?
(a) Formula (b) Function
(c) Data (d) All of the above

4. bueasa ls dkSu MkVk Vkbi ugha gS &

¼d½ LVªhx
a ¼[k½ baVhtj
¼x½ ¶yksV ¼?k½ MkVk

Which of the following is not data type -

(a) String (b) Integer
(c) Float (d) Data

5. ,p Vh ,e ,y dk VsDV~~l ,fMVj gS@Tex editor of HTML is -

¼d½ Edit Command ¼[k½ Note pad
¼x½ MS Word ¼?k½ Open Office
6. ,p Vh ,e ,y esa iz;ksx gksus okys dek.M dks D;k dgrs gSa &
2

¼d½ VSx ¼[k½ dek.M
¼x½ dksM ¼?k½ izkx
s zke

Command used in HTML is called -

(a) Tag (b) Command
(c) Code (d) Programme

7. buesa ls dkSu VsDVl ,fMVj ,Iyhds'ku gSA

(a) uksV iSM (b) oMZ iSM
(c) Via ,fMVj (d) lHkh

Which one of the following is a text editor ?

(a) Notepad (b) Wordpad
(c) Via Editor (d) All the above

8- vkWijsfVax flLVe gS A

¼d½ flLVe izkx
s zke ¼[k½ ,Iyhds'ku izksxzke
¼x½ eYVhehfM;k izksxzke ¼?k½ MkVkcsl izksxzke
Operating system is

(a) System Programme (b) Application Programme
(c) Multimedia Programme (d) Database Programme

9- ,e0,l0 oMZ ds Qkby dks D;k dgk tkrk gS \

¼d½ Vscy ¼[k½ odZcd q
¼x½ MkWD;wesUV ¼?k½ izstsUVs'ku
File of MS-Word is called ?

(a) Table (b) Work Book
(c) Document (d) Presentation

10. ,e0,l0 oMZ esa Header and Footer fdl esuw esa jgrk gS \

¼d½ Insert Menu ¼[k½ View Menu
¼x½ Format Menu ¼?k½ Table Menu
In MS Word Header and Footer is present in which Menu ?

(a) Insert Menu (b) View Menu
(c) Format Menu (d) Table Menu

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11. buesa ls dkSu MkVk Vkbi ugha gS &

¼d½ LVªhx
a ¼[k½ bfMVj
¼x½ ¶yksV ¼?k½ MkVk

Which of the following is not a data type ?

(a) String (b) Integer
(c) Float (d) Data

12. ,p Vh ,e ,y ist dk ,DVs'a ku D;k gksrk gS \

¼d½ .doc ¼[k½ .txt
¼x½ .html ¼?k½ .com

What is the extension of HTML page ?

(a) .doc (b) .txt
(c) .html (d) .com

III. fjDr LFkkuksa dh iwfrZ djs@
a Fill in the blanks :-

1. oMZ iSM esa ----------------------------------------------- ,oa ------------------------- ,ykbUesUV dk mi;ksx gksrk gSA
........................ , ...................... and .................... Alignments are used in wordpad.

2. fo.Mkst ds fMfyV Qkby ------------------ esa tkrh gSaA
In windows deleted files goes to ........................................

3. Goal seek ......................... esuw ds mifLFkr gSA
Goal seek is present in ............................................. Menu.

4. dEI;wVj izksxzke esa vk, =qfV ;k [kjkch dks ------------------------------- dgrs gSaA
Error which occurs in a computer programme is called .........................................

5. osc ist iznf'kZr djus ds fy, ---------------------- dk mi;ksx fd;k tkrk gSA
.................................. is used for displaying a web page.

6. ,d ls T;knk fodYi ds pquko ds fy, ----------------------- dk iz;ksx gksrk gSA
For selecting more than one option ............................... is used.

IV. fuEu 'kCnksa dk iz;ksx dj fjDr LFkkuksa dh iwfrZ djsAa
Fill in the blanks using the words/phrases given below.
Dubugging, three, cell pointer, sum, formula bar, save as, copy, page, recycle bin, new, shell,
printer, compiler, memory
Mhcfxax] rhu] lsy IokbaVj] ;ksx] QkWeZwyk ckj] lso ,t] dkWih] ist] fjlkbfdy fcu] U;w] 'ksy] fizaVj]
DEikbyj] eseksjh

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1. ------------------------------------- dks dEI;wVj dh izkbejh vkmViqV midj.k dgrs gSaA
______________ is known as primary output device of the computer.

2. jftLVj ----------------------- Hk.Mkj.k gksrk gSA
Register is ____________storage.

3. ;wfuDl esa ---------------------- ;qtj ,oa duZy ds e/; iqy dk dk;Z djrk gSA
In UNIX ____________ work as interface between user and kernel.

4. MS WORD esa -------------------dek.M dk mi;ksx Qkby fuekZ.k ds fy, fd;k tkrk gSA
In MS Word ________ command is used to create file.

5. fo.Mkst esa fMfyV Qkby ------------------- esas tkrh gSA
In Windows deleted files are shifted to _________.

6. fdlh MkWD;weVsa esa ------------------ dk mi;ksx VsDLV fy[kus ds fy, fd;k tkrk gSA
In a document ___________ is used to write text.

7. fdlh VsDLV dk MqIyhdsV cukus ds fy, ---------------------fodYi dk iz;ksx fd;k tkrk gSA
______________option is used to make duplicate of a text.

8. fdlh Qkby dks mlh uke ls nwljh txg lso djus ds fy, -------------dk mi;ksx fd;k tkrk gSA
To save a file with different name and location ___________option is used.

9. ,Dlsy dk QaD'ku ----------------ij iznf'kZr djrk gSA
Functions in Excel are displayed on _________.

10.  dk iz;ksx --------------------- ds fy, fd;k tkrk gSA
 is used for ____________

11. lsy dks ,DVho djus ds fy, ---------------------dk iz;ksx fd;k tkrk gSA
______________is used to make a cell as active cell.

12. izksxzkfeax Hkk"kk (programming language) dks ----------------- oxksZa esa foHkkftr ds fy, fd;k tkrk gSA
Programming languages are classified into __________ levels.

13. ----------------------- og izksxzke gS tks source dksM dks object dksM esa vuqokfnr djrk gSA
______________ is the programme which translate source code into object code.

14. izksxzke esa vk, =qfV;ksa dks lq/kkjus dh fØ;k ------------------- dgykrh gSA
The process of removing errors from a program is called __________

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V. fuEu dk feyku djs@
a Match the following :-

LrEHk ^v* LrEHk ^c*

(a) UNIX (i) ,Dlsy dk QkbZy/Excel file
(b) odZ cqd@Work book (ii) vkWijsfVax flLVe /Operating System
(c) JPEG (iii) eYVhehfM;k ;a= /Multimedia Device
(d) CD- ROM (iv) best QkesZV /Image Format
(e) San Serif @lu lsfjQ (v) flLVe lkW¶Vos;j /System Software
(f) daikbyj vkSj baVjizsVj@ (vi) Fonts
Compiler and Interpreters

VI. y?kqmÙkjh; iz'u@Short Answer Type Questions

1. vkWijsfVax flLVe (OS) fdrus izdkj ds gksrs gSa \ fofHkUu izdkj ds OS ds ckjs esa crk,¡A
What are the different types of operating system (OS) ? Discuss them.

2. ;wfuDl (UNIX) D;k gS \ blds fofHkUu ?kVdksa ds ckjs esa fy[ksaA
What is UNIX ? Write down the components of UNIX.

3. lh0ih0;w0 dSls dk;Z djrk gS \
How does CPU works ?

4. jSe ,oa jkse esa D;k vUrj gS \
What is the difference between RAM and ROM.

5. fo.Mkst vkWijsfVax flLVe ds fo'ks"krkvksa dks fy[ksaA
Write down the advantages of windows operating system.

6. ,YxksfjFke ,oa ¶ykspkVZ esa D;k vUrj gS \
What is the difference between Algorithms and Flowchart ?

7. VsfLVax vkSj MCchax ls D;k le>rs gSa \
What do you understand by "Testing and Debugging" ?

8. lkW¶Vos;j D;k gS \ lkW¶Vos;j ds fofHkUu izdkj dk o.kZu djsAa
What is Software ? Discuss different types of Software.

9. ;wfuDl vkWijsfVax flLVe ds fo'ks"krkvksa vkSj dfe;ksa dks fy[ksaA
Write down the advantages and disadvantages of UNIX operating system.

10. lh0ih0;w0 dSls dk;Z djrk gS \
How does CPU works ?

11. ,YxksfjFke ,oa ¶ykspkVZ esa D;k vUrj gS \
What is the difference between Algorithms and Flowchart ?

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12. VsfLVax vkSj MCchax ls D;k le>rs gSa \
What do you understand by "Testing and Debugging" ?

13. ykWftdy ,fMVj ds D;k fl)kUr gSa \
What are the principles of logical error ?

14. ^lh* esa fdrus rjg ds dSjDs Vj lsV gksrs gSa \
How many types of character set are there in 'C'.

VII. nh?kZ mÙkjh; iz'u/Long Answer Type Questions

1. ;wfuDl vkWijsfVax flLVe ds fdUgha ikap dek.M dks mnkgj.k lfgr fy[ksaA
Explain any five UNIX commands with example.

2. GUI ds fofHkUu ?kVdksa dk o.kZu djsAa
Discuss the different components of GUI.

3. MkVk Vkbi D;k gS \ ^lh* esa fdrus rjg ds MkVk Vkbi gksrs gSa \
What is Data type ? How many types of data type are used in 'C'.

4. ^lh* esa izh&QhDl ,oa iksLV QhDl dks mnkgj.k lfgr le>kosaA
Explain Prefix and Post fix with examples in 'C'.

5. fjdflZo QaD'ku ds mís'; dk o.kZu djsAa
Discuss the importance of Recursive Function.

6. ,sjs D;k gS \ ,sjs ds ykHk dks fyf[k,A
What is Array ? Write down the advantages of using Array.

7. IokbaVj D;k gS \ mnkgj.k lfgr crk;sAa
What is Pointer ? Explain it with the help of an example.

8. ,p Vh ,e ,y dh fo'ks"krk,¡ dk o.kZu djsAa
Discuss the advantages of HTML.

9. GUI ds fofHkUu ?kVdksa dk o.kZu djsAa
Discuss the different components of GUI.

10. ^lh* esa izh&QhDl ,oa iksLV QhDl dks mnkgj.k lfgr le>kosaA
Explain Prefix and Post fix with examples in 'C'.

11. ,sjs D;k gS \ ,sjs ds ykHk dks fyf[k,A
What is Array ? Write down the advantages of using Array.

12. IokbaVj D;k gS \ mnkgj.k lfgr crk;sAa

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What is Pointer ? Explain it with the help of an example.

13. ^lh* esa ,d izkx
s zke fy[ksa tks buiqV dh xbZ la[;k dh tk¡p djs fd og le gS ;k fo"ke A
Write a programme in 'C' which checks whether the input integer is even or odd.

14. ^lh* esa ,d izkx
s zke fy[ksa tks fdlh fLVªax dh yackbZ (length of string) crk,A
Write a programme in .

15. ,p Vh ,e ,y dh fo'ks"krk,¡ dk o.kZu djsAa
Discuss the advantages of HTML.

16. RAM vkSj ROM D;k gS \
What is RAM and ROM ?

17. A.L.U. ,oa C.U. D;k gS \
What is A.L.U. and C.U. ?

18. System Software D;k gS \
What is System Software ?

19. Flow Chart D;k gS \
What is Flow Chart ?

20- Column Format dk D;k mi;ksx gS \
What is the use of Column Format ?

21- Browser D;k gS \
What is a Browser ?

22- Variable ,oa Constant D;k gS \
What is Variable and Constant ?

23- Header file dk D;k mi;ksx gS \
What is the use of Header file ?

24- Goal Seek dk D;k mi;ksx gS \
What is the use of Goal Seek ?

25- Scanf ( ) dSlk QaD'ku gS \
Which tyep of function is Scanf ( ) ?

26. dEI;wVj D;k gS rFkk bldh mi;ksfxrk D;k gS \
What is Computer and what are its application ?

27. MS Word esa esy etZ djus dh fof/k fy[ksaA
Write the steps for mail merge in MS Word.

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28. eYVhfefM;k D;k gS \ ikoj IokbaV dk D;k mi;ksx gksrk gS \
What is multimedia ? What is the uses of Power Poing ?

29. fo.Mkst vkWijsfVax flLVe D;k gS ,oa bldh fo'ks"krk,¡ D;k gSa \
What is Windows operating system ? Write its characteristics.

30. MkVk Vkbi D;k gS] rFkk C Hkk"kk esa dkSu&dkSu ls MkVk Vkbi gksrs gSa \
What is date type ? What are the data type in C ?

31. C Hkk"kk esa ,d izkx
s zke fy[ksa ftlds }kjk 1 ls 100 ds chp le la[;kvksa dh lwph fizaV djk,¡A
Write a programme in C language that will print all the even numbers berween 1 to 100.

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