HBSE Class 12 Computer Science Question Paper 2017

CLASS : 12th (Sr. Secondary) Code No. 2007
Series : SS-M/2017
Roll No.

dEI;wVj foKku
COMPUTER SCIENCE
[ Hindi and English Medium ]
ACADEMIC/OPEN
(Only for Fresh Candidates)
(Evening Session)

Time allowed : 3 hours ] [ Maximum Marks : 40
• d`i;k tk¡p dj ysa fd bl iz'u-i= esa eqfnzr iz'u 16 gSaA
Please make sure that the printed question-paper are contains 16 questions.
• iz'u-i= esa nkfgus gkFk dh vksj fn;s x;s dksM uEcj dks Nk= mÙkj-iqfLrdk ds eq[;-i`"B ij
fy[ksaA
The Code No. on the right side of the question paper should be written by
the candidate on the front page of the answer-book.
• d`i;k iz'u dk mÙkj fy[kuk 'kq: djus ls igys] iz'u dk Øekad vo'; fy[ksaA
Before beginning to answer a question, its Serial Number must be written.

• mÙkj-iqfLrdk ds chp esa [kkyh iUuk/iUus u NksMsa+A
Don’t leave blank page/pages in your answer- book.

• mÙkj-iqfLrdk ds vfrfjDr dksbZ vU; 'khV ugha feysxhA vr% vko';drkuqlkj gh fy[ksa vkSj fy[kk
mÙkj u dkVsaA
Except answer-book, no extra sheet will be given. Write to the point and do

not strike the written answer.

2007 P. T. O.

(2) 2007
• ijh{kkFkhZ viuk jksy ua0 iz'u-i= ij vo'; fy[ksaA
Candidates must write their Roll Number on the question paper.

• d`i;k iz'uksa dk mÙkj nsus lss iwoZ ;g lqfuf'pr dj ysa fd iz'u-i= iw.kZ o lgh gS] ijh{kk ds
mijkUr bl lEcU/k esa dksbZ Hkh nkok Lohdkj ugha fd;k tk;sxkA
Before answering the questions, ensure that you have been supplied the

correct and complete question paper, no claim in this regard, will be

entertained after examination.

uksV % iz'u Øekad 1 ls 5 esa ls dksbZ pkj iz'u dhft,A 'ks"k lHkh iz'u vfuok;Z gSaA

Attempt any four questions from question numbers 1 to 5. Rest are

compulsory.

1. mnkgj.k lfgr csl Dykl ,aM MsjkbOM Dykl dk o.kZu dhft,A 4

By taking an example, explain base class and derived class.

2. D;w ds iq'k ,aM iksi vkWijs'ku dk o.kZu dhft,A 4

Explain the push and pop operation of a queue.

3. mnkgj.k lfgr IInd ukWeZy QkWeZ dk o.kZu dhft,A bldh folaxfr;k¡ D;k gSa \ 4

Explain with example IInd Normal form. What are its anomalies ?

(3) 2007
4. fdUgha pkj TCP/IP izksVksdkWYl dk o.kZu dhft,A 4

Explain any four TCP/IP protocols.

5. fdUgha nks DML dekaM dk flaVsDl lfgr o.kZu dhft,A 4

Explain any two DML commands with syntax.

6. SQL ds Avg vkSj Max QaD'ku dk o.kZu dhft,A 2

Explain Avg and Max functions in SQL.

7. SDLC ds fMtkbu LVst dk o.kZu dhft,A 2

Explain design stage of SDLC.

8. ,adj VSx D;k gS \ blds ,sfVªC;wV~l dk o.kZu dhft,A 2

What is anchor tag ? What are its attributes ?

9. SDLC ds fjDokW;jesaV ,ukfyfll LVst dk o.kZu dhft,A 2

Explain the requirement analysis stage of SDLC.

10. daLVªDVj vkSj fMLVªDVj D;k gSa \ daLVªDVj ds fdlh ,d izdkj dk o.kZu dhft,A 2

What are constructors and destructors ? Explain any one type of
constructor.

2007 P. T. O.

(4) 2007
11. Dykl D;k gS \ Dykl ds esEcj QaD'ku dks dSls ,Dlsl dj ldrs gSa \ 2

What is Class ? How can you access member functions of a class ?

12. ÝsaM QaD'ku D;k gS \ 1

What is friend function ?

13. MsVkcsl D;k gS \ 1

What is database ?

14. URL D;k gS \ 1

What is URL ?

15. WWW D;k gS \ 1

What is WWW ?

[ oLrqfu"B iz'u ]

[ Objective Type Questions ]

16. (i) best VSx dk ………….. ,VªhC;wV best fMLIys djrk gSA
1

…………… attribute of image tag is used to display an image.

(ii) HTML VSx dsl lsaflfVo gksrs gSaA ¼lgh@xyr ½ 1

HTML tags are case sensitive. (True/False)

(5) 2007
(iii) SQL dh …………. dekaM fdlh fjys'ku ds ifVZD;qyj dkWye dks fMyhV djrk gSA
1

…………… SQL command is used to delete a particular column in
a relation.

(iv) UDP dk iw.kZ :i ………….. gSA 1

Full form of UDP is ………….. .

(v) HTML dk ………….. VSx VsDLV dks cksYM djrk gSA 1

………….. tag makes the text bold.

(vi) WWW dk iw.kZ :i …………..….. gSA 1

Full form of WWW is ………….. .

(vii) D;w ………….. rduhd ij dk;Z djrk gSA 1

Queue works on …………… technique.

(viii) ekStwnk flLVe ds foLr`r v/;;u dks ………….. dgrs gSaA
1

The detailed study of existing system is referred as …………… .

2007 P. T. O.

(6) 2007

S