SLC Model Question -2067
Subject:- Opt II (Computer Science) FM:-50
Time:- 1hr 30mins PM:-16
Group A
[Fundamental -22 marks]
1. Answer
the following questions: 5x2=10
a)
Differentiate between simplex and duplex communication mode.
b)
What is search engine? List two site name use as search engine.
c)
“Power protecting device is necessary on computer system.” Why?
d) How can you protect your computer from computer virus?
Write four strong points
e)
What is cyber ethic? Which type of knowledge is given by cyber ethic?
2. Fill
in the blanks with suitable word(s): 4x0.5=2
a) device that amplifies the incoming signals
where computers are apart from each other.
b) worldwide discussion group in which people
share information and idea on a particular area of interest.
c) virus which infects .bin, .exe, .com, .drv,
.sys files
d) technology is mostly used in cartoon films.
3. Write
the full forms of the following: 4x0.5=2
a) ISON b) IRC c) RFW d) USB
4. Give
the appropriate terms of the following: 4x0.5=2
a) A device with multiple ports that allow network device
to be connect together.
b)
A Virus which infects to java script, html script etc.
c)
System software that can manage the resources of Network.
d)
Program that controls the functionality of the hardware.
5. Match
the following pairs: 4x0.5=2
a) MODEM a)
MBR
b) Internet Telephony b)
Transmission Medium
c) Broadband c)
Communication device
d) Boot sector d)
VOIP
e)
Network
6. a)
Convert the following as indicated: 2x1=2
i) (100011)2=(?)10 ii)
(123)10=(?)16
b) Calculate the following binary numbers 2x1=2
i) 100011+10101 ii)
110010÷101
Group B
[Database-10 marks]
7. Answer
the following questions: 3x2=6
a)
Write a short note on Ms-Access.
b)
What is data type? List two types of data.
c)
What is relationship? List its types.
8. Fill
in the blanks with suitable word(s): 4x0.5=2
a)
Query is used to global change is a field.
b)
A maximum capacity of OLE object is .
c)
A properties of entity is called .
d)
text is display when wrong data entered.
9. State
true or false 4x0.5=2
a)
Number is default data type of Ms-Access.
b)
Caption is an alternate name of field.
c)
Giving structure of data is known as format.
d) Maximum
size of text is 256 character.
Group
C [Programming-18 marks]
10. a)
List an operator used on C language. 1
b) Differentiate between Sub and Function. 1
c) Write a syntax and function of NAME as statement 1
11. Debug
the following question: 2
INPUT “Radius”;
r
DECLARE
FUNCTION TEST(z)
PRINT
TEST(r)
END
FUNCTION
TEST(z)
A = 22/7* z^2
A=TEST
FUNCTION
END
12. Write
an output of the following program: 2
DECLARE
SUB TEST()
CALL
TEST
END
SUB
TEST()
A$= “BHAKTAPUR”
FOR i = 1 TO 5
PRINT MID$(A$,i,i)
NEXT i
END
SUB
13. Read
the program and answer the following questions: 2x1=2
OPEN
"Record.dat" FOR APPEND AS #1
TOP:
INPUT
"Name "; N$
INPUT
"Address "; A$
INPUT
"Phone "; P
WRITE
#1, N$,A$,P
INPUT
"Continue ";Z$
IF
UCASE$(Z$) = "Y" THEN GOTO TOP
CLOSE
#1
END
a) What will change when write#1 is
replaced by print#1 statement?
b) How many times the program should
repeat?
14. a)
Write a program to insert 10 different numbers and display it in ascending
order using sub …… end sub. 3
b) Write a program to convert the
temperature given in centigrade to Fahrenheit using Function…End function
statement.
3
[Hint:
]
]
c) Write a program insert name, address and phone number of
few students into sequential data file “record.txt”. 3
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