Group-A
Computer Fundamental (22 Marks)
Answer the following questions.
a. Define Computer Network.
Ans : The interconnection of the autonomous computers and other devices with wired or wireless medium for sharing data and resources is called computer network.
b. What is internet and E-mail? write.
Ans : The internet is the network of networks a global communication that links together thousands of individual networks.
c. Write any four application areas of multimedia.
Ans : They are:-
- In gaming
- In business
- In movies/ In medieval fields.
- In Education.
d. List any four measures to protect computer software.
Ans: Any four measures to protect computer software are:-
- Password protection.
- Backup system.
- Using anti-virus.
- Using firewall.
e. How can we protect computer from computer virus? Write.
Ans: We can protect computer from computer virus by following ways:-
- Using anti-virus software.
- Not opening unknown e-mails and attachments.
- Changing setting in BIOS.
- Not opening pirated software.
2. Convert as instructe.
a.(235)8 ——> (?)10
=2×82 + 3×81 + 5×80
=128+24+5
=(157)10
ii) (BA5)16 into binary
In Binary Form B=1011 A=1010 5=0101
(BA5)16—->(101110100101)2
3. Match the following.
Group-A | Group-B |
1. Microwave 2. UPS 3. Sound Card 4. TCP/IP | 1. Unguided Media 2. Power protection device. 3. Multimedia. 4. Protocol. |
4. Select The Correct Answer.
a. Which is not the network hardware component?
- HUB
- Repeater
- Router
- Windows NT
Ans : Windows NT
b. In which communication media does the data travel in the form of light signal?
- telephone wire
- fiber optic
- co-axial cable
- twisted pair cable
Ans: Fiber optic
c. Which is not the protocal?
- TCP/IP
- IPX/SPX
- NETBIOS/NETBUI
- Client
Ans: Client
d. Which is the anti-virus program?
- Photoshop
- NAV
- Windows XP
- Ms-excel
Ans: NAV
5. Give appropriate technical terms of the following.
a. Buying and selling products and services online.
Ans: E-commerce.
b. Cabling structure of LAN.
Ans: LAN topology.
c. Group of computers that can share resource.
Ans: Computer Network.
d. A program that destroys the other program.
Ans: Virus.
6. Write Full Forms.
a. UPS = Uninterruptible Power Supply.
b. WWW = World Wide Web.
c. WAN = Wide Area Network.
d. DVD = Digital Versastile Disk.
Database
7. Answerr the following in short.
a. What is DBMS?
Ans: The procedure in which user is sble to store , organize and retrieve data from database in a dystamatic way is called DBMS.
b. Make a list of any four types of data used in Microsoft Access.
Ans: Any four types of datatypes of microsoft access are:-
- Text
- Memo
- Number
- Yes/No
c. Define Query.
Ans: A query is a question about the data stired in the table.
8. Select the correct answer.
a. The maximum text field in Access is 255
b. The extension of database file in Access is .DBM
c. Primary key uniquely identifies any field.
d. The object of Access that stores the data is known as Table.
9. Match the following.
Group-A | Group-B |
1.Indexing data 2.Long text 3.Fox pro 4.Query | 1.Memo Field 2. 3. 4.Searching fast |
Group-C Programming
10a. What is user- defined function?
Ans: User-defined function is a type of function in which user is able to declare, define and use the function just like in case of sub-program.
b. List any two datatypes that is used in C language.
Ans: Any two datatypes used in C language are:-
- Integer
- Float
c. Write down the function of the following statement.
Ans:-
KILL:- It is used to erase a file.
MKDIR:- It is used to create directory.
11. Write the output of the given program.
DECLARE SUB Result ( )
CALL Result
END
SUB Result ( )
N=5
C=1
WHILE C<=5
PRINT N
N=N*10+5
C=C+1
WEND
END SUB
Ans: 5, 55, 555, 5555, 55555
12. Rewrite the given program after correcting the bugs.
REM To store name and age in a sequential data file STD.DOC
OPEN STD.DOC FOR OUT AS#1
INPUT”ENTER NAME”;N
INPUT”ENTER AGE”;A
WRITE 1,N$,A
CLOSE #1
END
Ans:
OPEN “STD.DOC” FOR OUTPUT AS # 1
INPUT”ENTER NAME”;N$
INPUT”ENTER AGE”;A
WRITE #1 N$,A
CLOSE #1
END
13.Study the given question and answer the given questions.
DECLARE FUNCTION A(X)
X=5
Z=A(X)
PRINT Z
END
FUNCTION A(X)
FOR I=1 TO X
S=S+I
NEXT I
A=S
END FUNCTION
a. How many parameters are used in the program?
Ans: One
b. How many times does the statement S=S+I execute in the above program?
Ans: 5 times
14a. Write a program to calculate the volume of a cylinder using FUNCTION ………………END FUNCTION.
Ans:
DECLARE function VOL(r, h)
CLS
INPUT”Enter radius”;r
INPUT”Enter height”;h
d=V
PRINT”Volume Of Cylinder is “;d
END
FUNCTION VOL(r, h)
LET B=22/7
V=B*(r^2)*h
END FUNCTION
b. Write a program to test whether teh given program is positive or negative.
Ans:
DECLARE SUB PN(NUM)
CLS
INPUT”ENTER YOUR NUMBER”;N
CALL PN(NUM)
END
SUB PN(NUM)
SEKECT CASE NUM
CASE IS<0
M$=”NEGATIVE”
CASE IS>0
M$=”POSITIVE”
CASE ELSE
M$=”ZERO”
END SELECT
PRINT”NUMBER IS “;M$
END SUB
c. Create a sequential data file “std.dat” to store name and marks stored in English ,Maths and Science subjects for few students.
Ans
OPEN “std.dat” for OUTPUT AS #8
CLS
INPUT”ENTER YOUR NAME “;A$
INPUT”ENTER YOUR MARK IN ENGLISH “;E$
INPUT”ENTER YOUR MARK IN MATH “;M$
INPUT”ENTER YOUR MARAK IN SCIENCE “;S$
WRITE #8, A$ ,E, M, S
CLOSE #8
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