Friday, January 3, 2025

SOLVED TRITON SEE MODEL QUESTIONS | OPT.II Computer Science - Set 5

 SOLVED TRITON SEE MODEL QUESTIONS | OPT.II Computer Science - Set 5


 

COMPUTER - SEE Model Question (Set-V)

Time: 2 Hours                                                                       F.M.: 50

Group A ' 10 marks'

1.   Answer the following questions in one sentence. (6 × 1 = 6)

a.     What does bandwidth mean?

Bandwidth is the maximum amount of data that can be transmitted over a network or communication channel in a given amount of time.

 

b.     What is web browser?

A web browser is a software application that allows to access and view websites on the Internet.

 

c.      What is the maximum length of a field name in MS-Access?

The maximum length of a field name in MS-Access is 64 characters.

 

d.     Which is the logical data type of MS-Access?

The logical data type of MS-Access is Yes/No.

 

e.      Write any one advantage of Modular Programming.

Any one advantage of Modular Programming  is coding the program and testing is very easy.

 

f.      Write any two features of C-language.

Any two features of C-language are:

Portability: C code can be compiled and executed on different systems with minimal modifications.

C is a case-sensitive programming language. It understands the capital alphabets and small alphabets as different values.

 

2.   Write the appropriate technical term for the following.         (2x1=2)

a.      A Device used to connect a PC with a telephone line. MODEM

b.     Unethical work done using a computer or the internet. Cyber Crime

 

3.   Write the full form of the following.      (2x1=2)

a.      GPS – Global Positioning System                

b.     NIC – Network Interface Card

 

4.   Answer the following questions: (9x2=18)

a.     Which topology is mostly used in labs? Also, write its advantages and disadvantages.

Star topology is mostly used in labs.

Advantages of Star Topology

·       Failure in one device does not affect the rest of the network due to independent connections.

·       Adding or removing devices is simple and doesn’t affect the rest of the network.

Disadvantages of Star Topology

·       If the central hub or switch fails, the entire network will stop functioning.

·       It requires more cabling and a central hub, making it more expensive compared to bus or ring topology.

 

b.     What do you understand about digital citizens? Write its importance.

A digital citizen is an individual who responsibly uses the internet and digital technology for social, educational, and personal activities while respecting privacy, security, and ethical standards.

 

c.      How does password policy protect computer software and data? Explain in brief.

A password policy keeps computer software and data safe by ensuring users to create strong and unique passwords. It helps stop unauthorized access, reduces security risks, and keeps the system working properly.

 

d.     What is m-commerce? Write any two important services of it.

M-commerce refers to the buying and selling of goods and services through mobile devices like smartphones and tablets.

Any two important services of it are:

v Mobile Shopping: M-commerce enables users to browse, select, and purchase products or services directly from their mobile devices like daraz, hamrobazar, amazon etc.

v Mobile Payments: This service involves making payments using mobile device like e-sewa, khalti

 

e.      Define e-banking and write one advantage and one disadvantage of e-banking.

E-banking is a digital banking system that allows customers to perform financial transactions and manage their accounts online via the internet or mobile apps.

Any one advantage of e-banking is:

It saves the time of customers as they can easily access their account with the help of their device.

Any one disadvantage of e-banking is:

E-banking relies on internet connectivity and servers, so system failures or slow networks can disrupt services.

 

f.      Differentiate between data and information.

Data

Information

Raw form of any facts, figures or entities are known as data.

The processed form of data is known as information.

For example, Aaradhya, 1000, account, balance etc. are raw data individually does not give any meaning.

For example, Aaradhya has 1000 balance in her bank account. Here Aaradhya, 1000, account, balance all have their significant meaning.

 

g.     What is field properties? Name any four of them.

Field properties are settings or attributes that allow users to control various aspects of data entry, validation, formatting, and behavior within the database.

Any four field properties are: field size, caption, validation rule and validation text.

 

h.     What are validation text and validation rules?

Validation Rule is a field property which is used to limit the values that can be entered into a field.

Validation Text is a field property which displays an error message that appears if the data entered is invalid according to the specified validation rule.

 

i.       Write any two major differences between forms and reports.

Form

Report

Form is primarily used for entering data

Report is used for presenting the data.

Form is designed to be used on screen.

Report are designed to be printed.

 

 

 

5.   Write down the output of the given program and show them in the dry run table.2

DECLARE SUB SENDUP (S$)

E$='NPABSON'

CALL SENDUP(E$)

END

SUB SENDUP(S$)

FOR i=1 to LEN(S$) STEP1

IF I MOD2< >0 THEN

EE$=EE$+LCASE$(MID$(S$,I,1)

ELSE

EE$=EE$+UCASE$(MID$(S$,I,1))

END IF

PRINT EE$

END SUB

Dry Run

E$

S$

i=1 to LEN(S$)

i MOD 2 <>0

Yes

EE$=EE$+

LCASE$(MIDS(S$,I,1))

No

EE$=EE$+

UCASE$(MIDS(S$,I,1))

NPABSON

NPABSON

1 to 7 yes

1 MOD 2 <>0

1<>0 Yes

n

 

 

 

2 to 7 yes

2 MOD 2 <>0

0<>0 No

 

n+P=nP

 

 

3 to 7 yes

3 MOD 2 <>0

1<>0 Yes

nP+a

nPa

 

 

 

4 to 7 yes

4 MOD 2 <>0

0<>0 No

 

nPa+B

nPaB

 

 

5 to 7 yes

5 MOD 2 <>0

1<>0 Yes

nPaB+s

nPaBs

 

 

 

6 to 7 yes

6 MOD 2 <>0

0<>0 No

 

nPaBs+O

nPaBsO

 

 

7 to 7 yes

7 MOD 2 <>0

1<>0 Yes

nPaBsO+n

nPaBsOn

 

 

 

8 to 7 loop exits

 

 

 

 The output of the program is :

nPaBsOn

 

6.   Rewrite the given program after correcting the bugs. (2)

REM to store Name, post and salary

OPEN EMP.DOC FOR OUT AS#1

INPUT"Enter name";N

INPUT"Enter post";P$

INPUT"Enter salary";S

INPUT#2,N$,P$,S

CLOSE#1

STOP

Debugged Program

REM to store Name, post and salary

OPEN “EMP.DOC” FOR OUTPUT AS#1

INPUT"Enter name";N$

INPUT"Enter post";P$

INPUT"Enter salary";S

WRITE#2,N$,P$,S

CLOSE#1

END

 

7.   Study the following program and answer the given questions. (2)

DECLARE FUNCTION prod (A,B)

CLS

INPUT"Enter first number";A

INPUT "Enter second number";B

PRINT"The product of the two number=";prod (A,B)

END

FUNCTION prod (A,B)

P=A*B

prod=P

END FUNCTION

Questions:

a.     List all the numerical variables used in the program above.

The numerical variables used in the program above are A, B and P.

 

b.     List the local variables used in the program above.

The local variable used in the program above is P.

8.   Calculate as per the instruction: (4x1=4)

(i)  (315)10 = (?)2   

 

Divide by the base 2 to get the digits from the remainders:

Division
by 2

Quotient

Remainder

(Digit)

(315)/2

157

1

(157)/2

78

1

(78)/2

39

0

(39)/2

19

1

(19)/2

9

1

(9)/2

4

1

(4)/2

2

0

(2)/2

1

0

(1)/2

0

1

= (100111011)2

(315)10 = (100111011)2         


 

(ii)    (A4B)16 = (?)8

Convert each hex digit to 4 binary digits

A4B

= A 4 B

A= 1010

4 = 0100

B = 1011

= 101 001 001 011

 

Convert each 3 binary digits to octal digits

101 = 5

001 = 1

001 = 1

011 = 3

                 

      (A4B)16 = (5113)8

 

(iii)  (1011)2×(101)2+(1001)2           

 

 

 

 

 

 

 

1

0

1

1

 

 

 

 

 

 

 

1

0

1

 

 

 

 

 

 

1

0

1

1

 

 

 

 

 

0

0

0

0

×

 

 

 

 

1

0

1

1

×

×

 

 

 

 

1

1

0

1

1

1

 

 

 

 

 

+

1

0

0

1

 

 

 

1

0

0

0

0

0

0

 

          (1011)2×(101)2+(1001)2              = (1000000)2

 

(iv)   (10111)2 ¸ (101)2

 

101)

1

0

1

1

1

(100

-

1

0

1

 

 

 

 

0

0

0

 

 

 

 

 

 

 

1

1

 

 

 

 

 

-

0

 

 

 

 

 

1

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q = 100

R = 11

 

9.   (a) WAP to calculate the area of the rectangle using SUB…END SUB and area of circle using FUNCTION…END Function.

 

DECLARE SUB AREA (L, B)

DECLARE FUNCTION ARE (R)

CLS

INPUT “ENTER LENGTH”; L

INPUT “ENTER BREADTH”; B

INPUT “ENTER RADIUS”; R

CALL AREA (L, B)

PRINT “AREA OF CIRCLE ”; ARE(R)

END

 

 

SUB AREA (L, B)

A = L * B

PRINT “AREA OF RECTANGLE=”; A

END SUB

 

FUNCTION ARE (L, B)

ARE = 3.14 * R ^ 2

END FUNCTION

 

(b) Write a program to create a file "info.dat" and Store the name, address and mobile number of 5 people.

 

OPEN "info.dat" FOR OUTPUT AS #1

FOR I = 1 TO 5
INPUT "Enter Name"; N$
INPUT "Enter Address"; A$

INPUT "Enter Mobile Number"; M#

WRITE #1, N$, A$, M#

NEXT I
CLOSE #1
END

 

10.  Write a program in 'C' language to display the first 10 odd numbers.

 

#include <stdio.h>

   int main( )

{

    int i, a=1;

    for(i = 1; i <= 10; i++)

   {

        printf("%d ", a);

        a=a+2;

  }

    return 0;

}

 

 

 

OR,

 

Write a program in 'C' language to input two numbers and find the greatest among two numbers.

#include<stdio.h>

#include<conio.h>

int main()

{

int a,b;

printf("Enter any two numbers:\n ");

scanf("%d %d", &a, &b);

if(a>b)

printf("The greater number is %d", a);

else

printf("The greater number is %d", b);

return 0;

}

 

 

Æ Best of Luck Å

 


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