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Shree Gauri Shankar Higher Secondary School
Third Terminal Examination - 2072
Subject : Computer Science
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
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)
FOR N = 1 TO 10 STEP 3
CALL DISPLAY (N)
SUB DISPLAY (X)
IF X MOD 2 =1 THEN PRINT X;
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
13. Read the following program and answer the questions: 2 DECLARE SUB TEST (W$)
INPUT “ENTER A WORD”;A$
CALL TEST (A$)
SUB TEST (W$)
FOR K = 1 TO LEN (W$)
U$ = MID$ (W$, K, 1) +U$
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 ******