SEE question model set of computer for grade 10

SEE Question Model Set

Subject: Computer Science                                                 Full Marks: 50

Time: 1:30:00 hrs                                                                                         

Attempt ALL the questions.

Group –A [10×1=10]

Group- A [Very Short Answer Question: 10×1=10]

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

a) List any two network connectivity devices.

b) Which software is used to remove viruses from computer systems?

c) Name any two modes of electronic payments.

d) Define search engine.

e) Define relationship.

f) What do you mean by modular programming?

 

2. Write appropriate technical terms for the following.                                       2×1=2

a) Set of moral principles or code of conduct that regular use of computers.

b) The process of identifying an individual is usually based on a username and password.

 

3. Write the full form of the following.                                                              2×1=2

          a) UTP                b) GPS

 

Group- B [Short Answer Question: 12×2=24]

 

4. Answer the following questions.                                             9×2=18

a) Define network topology? Write its types.

b) What is backup? Why is backup vital to computer security systems?

c) Define cloud computing? List any two services of it.

d) List any two opportunities that are threats in social media.

e) Differentiate between peer-to-peer network client-server network architecture.

f) Define database. Write any two examples of the database.

g) What is Ms-Access? List any two features of Ms-Access.

h) Differentiate between select query and action query.

i) What do you mean by field property? Write any two names of field property?

 

5. Write down the output of the given program. Show with a dry run in the table.                                            2

DECLARE SUB series(n)

CLS

FOR I = 1 TO 5

READ n

CALL series(n)

NEXT i

DATA 125, 1000,216,8,27

END

 

SUB series(n)

PRINT n^1/3+1

END SUB

 

6. Re-write the given program after correcting the bugs.                                                 2

REM to count total number of word existing in a sentence input by user

DECLARE FUNCTION wordcount(w$)

CLS

LINE INPUT "Enter a sentence";s$

c=wordcount(w$)

PRINT "Total number of word existing in a sentence";c

END

 

FUNCTION wordcount$(w$)

FOR c= LEN(w$) to 1 STEP -1

ch$=MID$(s$,c,1)

IF ch$=SPACE$(1) THEN cnt=cnt+1

NEXT c

cnt=wordcount

END FUNCTION

 

 

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

OPEN "busrider.txt" FOR INPUT AS #1

OPEN "temp.dat" FOR OUTPT As #2

CLS

WHILE NOT EOF(1)

INPUT #1, name$,class,buscode,busstop$

IF UCASE$(busstop$) <>UCASE$("KATHMANDU") THEN

WRITE #2, name$,class,buscode,bsstop$

PRINT name$, class, buscode,bsstop$

ENDIF

WEND

CLOSE #1,#2

KILL "busrider.txt"

NAME "temp.txt" AS "busrider.txt"

END

Questions:

a) What is the main objective of the program given above?

b) Do you get any problem in above program if "KILL" statement is removed? Give reason.

 

Group –C [Long Answer Questions 4×4=16]

8. Convert / calculate as per the instruction.                                   4×1=4

a) (542)₁₀ into Binary                                      b) (CAD59)₁₆ into octal

c) (11010)₂ × (1101)₂ – (100101)₂                   d) 1110111÷11011

 

9. a) Write a program in qbasic that asks radius and calculates the area of the circle and circumference of a circle. Create a user define a function to calculate the circumference of circle and a subprogram to calculate the area of circle. [Hint: COC=2πr and AOC=πr²]                                                                                                                            4

b) A sequential data file "person.txt" contains information such as name, address and DOB of 20 people. Write a program to display only those records whose age is below 18 and address is "Lalitpur"                                                                                                                                                                               QBasic4

10. Write a program in C language that asks a number check whether input number is divisible by 5 and 7 or not.                                                                                                                                                                   4

OR

Write a program in C language to display the series with their sum: 100 95  90 85   ….upto 10th term.