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Shree Gauri Shankar Higher Secondary School
Nijgadh-8, Bara
Third Terminal
Examination - 2072
Subject :
Computer Science
Class: 10 (Ten) Time: 1 hr. 30 mins. F.M/P.M-50/16
Group A (Fundamental – 22
Marks)
1.
Answer the following questions: 2 × 5 = 10
a) Mention the differences between
client-server network model and peer-to-peer network model.
b) What is internet? How is it
different than intranet?
c) Multimedia technology
makes classroom presentation more interactive. Explain.
d) What is meant by defragmentation?
e) List any four reasons for
creating computer viruses.
2.a.
Perform the following binary calculations: 2x2=1
i. (101011 x
10) – 11101 ii. 111001 ¸ 100
b. Convert the following as indicated: 2x2=2
i. (76)10
= (?)2 ii.
(AB5)16 = (?)8
3. Match the following. 4 × 0.5 = 2
a) UPS Internet
protocol
b) TCP/IP Responsible for sending the
mails
c) SMTP Responsible
for downloading the mails
d) Apple talk Compulsory
protocol for computer
Hardware security
a)
A network of computer formed by using cables.
b) It can
be used to authenticate the identity of the sender or the signer of a document.
c) It
is a protocol which helps in bypassing the phone calls using computer.
d)
The process of restoring encrypted data to its original form.
5. Write the full forms of: 4
× 0.5 = 2
a.
MPEG b. PSTN c.
DNS d. RJ – 45
6. Choose the best answer. 4 × 0.5 = 2
a. A real time communication service provided by
internet is ………….
i. E-mail
ii. Chat iii. FTP iv.
Website
b. The communication mode where receiver cannot respond
immediately.
i. Half duplex ii. Full duplex iii. Simplex iv.
None of the above
c. Cyber law of Nepal was enacted in Nepal in ………….. B.S.
i. 2062 ii. 2060 iii. 2061 iv. 2068
d. A program originally
developed to allow users to view document on the WWW.
i. Telnet ii. Website iii.
Web browser iv. web page
Group B (DBMS – 10 Marks)
7. Answer the following questions: 2 × 3= 6
a. List
any four advantages of DBMS.
b. What
is an update query? List any two features of primary key.
c. List
any two differences between Form and Report.
8. State whether the given statements are true
or false. 4 × 0.5 = 2
a. A
field name can have maximum of 64 characters.
b. The Date/ Time field data type occupies 4
bytes of memory.
c. A field cannot be declared without data type.
d. A
row of a table is known as field in MS-Access.
9. Match the following. 4
× 0.5 = 2
a. Hyperlink stores unique
sequential number
b. Yes/No Stores numbers
c. Auto
number stores email address
d. Number stores images
Stores logical
data
Group C (Programming – 18
Marks)
10. Answer the following questions: 3
a. List a difference between Argument and
Parameter?
b. Why C language is called
middle level language?
c. Write down the
function of FILES statements and NAME command.
11. Write the output of the following program. 2
DECLARE
SUB DISPLAY(X)
CLS
FOR
N = 1 TO 10 STEP 3
CALL
DISPLAY (N)
NEXT
N
END
SUB
DISPLAY (X)
IF
X MOD 2 =1 THEN PRINT X;
END
SUB
12. Rewrite the following program correcting
the bugs. 2
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$,A
CLOSE #1
END
13. Read the following program and answer the
questions: 2 DECLARE SUB TEST (W$)
CLS
INPUT
“ENTER A WORD”;A$
CALL
TEST (A$)
END
SUB
TEST (W$)
FOR
K = 1 TO LEN (W$)
U$
= MID$ (W$, K, 1) +U$
NEXT
K
PRINT
U$
END
SUB
Questions:
a.
List the arguments and parameters used in the above program.
b.
List the library functions used in the above program.
14.a. Write a
program that asks a user to input radius of a sphere and then it calls a Sub
procedure to display area of the sphere where Area=4πr2 using Sub
Procedure. 3
b. WAP to
declare a function procedure that checks whether a enter number is prime or
composite. 3
c. A data file named
“EMP.DAT” contains some records with fields Code, Name, Post and Salary. Write
a program to print odd position records of the data file. 3
****** Best of Luck ******