Tuesday 10 March 2020

MODEL SET 22 (Class Nine)


MODEL QUESTIONS SET- 22
Group A : “Computer Fundamentals” [20 marks]
1.              Answer the following questions.                              5×2=10
                 a) What is meant by geenration of computer ?
ans            The development of computer in different time period is called generation of compter.
                 b) Write down a function of primary memory ?
ans                   The cpu can directly access any location of memory to store information or read information on  it.
                 c) What is an application software ? Give some example.
                 The software that performs only specific tasks is called application software, Ex. Ms paint, Ms word etc.
                 d) What types of frauds can happen through computers ?
                 e) what is the role of information and Communication Technology (ICT) in our daily life ?
                 ans: makes our life easier, and create a world as a room.
2.              a) Perfrom the following binary calculations.
                        i) (1101 × 11)-10111               ii) 110011 ÷ 110
                 b) Convert the following number system as indicated.
                        i) (1101101)2 (?)10                    ii) (134)16 = (?)8
3.              Match the following.                                                           2
                 Device drive            - a basic requirement program of a computer
                 Utility sofware                     - software that is designed according to the
                                                   demand of an organization
                 Operating system    - software required to make devices usable
                 Tailored software     - helpful software that keeps computer system                                        in well codition.
                                                - readymade software that is design for general                                                    purpose
                
                 drive -software
                 Solution:
                 Device required to make devices usable
                 Utility software- helpful software that keeps computer system in well codition.
                 Operating system- a basic requirement program of a computer
                 Tailored software software that is designed according to the  demand of an organization

                
4.              Write the technical terms of the following statements.
                 a) Physical components of a computer. -Hardware
                 b) The result obtained after the processing of data. -Output
                 c) A collection of programs.-Software
                 d) The repeatedly working capability of a computer.-Diligence
5.              Write the full forms:                                                            2
                 a) BCR-Bar Code Reader               b) DVD-Digital Video Disk   c) USB-Universal Serial Bus           d) ASCII-American Standard Code for Information Interchange
6.              State True or False.                                                  2
                 i) One vacuum tube can replace 1000 transistors.-False
                 ii) Computer architecture is also known as computer system.-False
                 iii) E-government promotes civic engagement by enabling the public to interact with government officials.-True
                 iv) Flash memory is also known as pen drive.-True
Group B [Operating System-5 marks]
7.              a) What is computer ?
                 b) Write the funcion of following DOS commands :
                        i) C:\>DIR  Q*.BAS-used to show all content with file name starting with Q and having .bas as extension file name.
                   ii) C:\>DEL NEWNEPAL.TXT- used to delete newnepal.txt file
                 c) Write down MS-DOS commands to do following tasks:
                        i) To display the contents of drive C.
                        C:/> dir
                        ii) To copy all files of QBASIC directory of drive C to D.
                        C:/> Copy *.* D:
Group C [HTML-5 mark]
8.              Answer the following questions:                                          2
                 i) What is HTML ?
                 The language that is used to design webpage is called HTML.
                 ii) Differentiate between Web page and Web site.
                 Web page: The page which is created using HTML is called web pages.
                 Web sites: collection of webpages is called website.
                 www.youtube.com is the website where as inside it home,trending are web pages.
                 iii) Write down th function of <A and <HR> tag ?
                 <a> used to established link
                 <hr> used to create horizontal link
9.              State True or False.                                                              2
                 a) The elements used to create webpage are called markup.- True
                 b) There are six levels of headings in HTML.-True
                 c) All the tags are places inside the <BODY> tag.-False
                 d) URL is used to identify the locaiton of the web pages.-True
Group D [Prgramming- 18-mark]
10.            Answer the following questions:                                          2
                 a) What is modular programming ?
                 ans;
                        The process of breaking the large & complex programs into small                        manageable part is called modular programming.

                 b) Mention any two rules for naming of variables.
                        Two rules for naming of variables are:
a.        Variables name should start alphabets.
b.      Variables name have maximum character of 64.
                
                 c) Write down the function of FIX and LCASE$ function.
Ans:
                 Fix : returns integer part
                 Lcase$; used to convert in lowe case.
11.            a) Write down the output of the following program.                       2
                        CLS
                        N$=“APPLE”
                        FOR I = LEN(N$) TO 1 STEP -1
                        B$=RIGHT$(N$, I)
                        PRINT B$
                        NEXT I
                        END
                 Output:
                 APPLE
                 PPLE
PLE
LE
E
                 b) Rewrite the following program correcting the bugs.                    2
                        REM program to display the greatest number.
                        CLS
                        INPUT “Enter any three numbers:”, A, B,; C
                        IF A>B & A>C THEN           
                        PRINT “Greatest number is:”a
                        IFELSE B>C THEN
                        PRINT “Greatest number is”;B
                        ELSE
                        PRINT “Greatest number is”;C
                        IFEND
                        END
                 Solution:
                        CLS
                        INPUT “Enter any three numbers:”; A, B, C
                        IF A>B & A>C THEN           
                        PRINT “Greatest number is:”A
                        ELSEIF  B>C & B>A THEN
                        PRINT “Greatest number is”;B
                        ELSE
                        PRINT “Greatest number is”;C
                        ENDIF
                        END

                
12.            Read the following program and answer the questions:                   2
                        CLS
                        INPUT “ENTER ANY STRING:” W$
                        L=LEN(W$)
                        FOR X = 1 TO L
                        M$ = MID$(W$, X, 1)
                        M$=UCASE$(M$)
                        SELECT CASE “A”, “E”, “T”, “O”, “U”
                        V=V+1
                        END SELECT
                        NEXT X
                        PRINT “TOTAL NUMBER OF VOWELS:” V
                        END
                 Questions:
a)         What is the value of L if input string is “COMPUTER”?
ANS: 7                       
b)         How many times loop will exeute if input string is “ITAHARI”.
ANS:7
13.            a) Write a program that display area of square whose one side is 5 cm.
                 Solution:
                 ClS
                 L=5
                 Area=L^2
                 Print “Area is”;Area
                 End
c)         Write a program to read a number and display its equivalent binary number.
CLS
Input “ENTER A number”;N
While n<>0
a= n mod 2
n=n\2
x$=str$(a)
b$=x$+b$
wend
Print “binary number is”;b$
End

d)         Write a program to accept name and display its reverse name.
Cls
Input “Enter a string”;S$
For I=LEN(S$) TO 1 STEP -1
M$=MID$(X$,I,1)
REV$=REV$+M$
NEXT I
PRINT “REVRESE NAME IS:”REV$
END


End

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