Saturday, August 4, 2012

තොරතුරු තාක්ෂණය 11 වසර කේරී විද්‍යාලය,කොළඹ-පිලිතුරු


මධ්‍ය වාර්ෂික විභාගය - 2012

කේරී විද්‍යාලය - කොළඹ
තොරතුරු හා සන්නිවේදන තාක්ෂණය - 01 පත්‍රය
11 වසර
෴෴ජාලගත අයිටී ගුරු ගේ පිළිතුරු෴෴
පොරොන්දු උන විදියටම ප්‍රශ්න පත්‍තරයක් හා ඒකට උත්තරත් එක්කම අද ඔයගොල්ලන් වෙත ආවා. මේක 11 වසර වෙනුවෙනු හදපු ප්‍රශ්න පත්තරයක් උනාට බලන්න ඔය ගොල්ලන්ගේ අයිටී දැණුම කොහොමද කියලා. උත්තර ලියලා මොකද උනේ කියල මටත් දන්වනවනම් මේ වැඩේ ඉස්සරහට කරගෙන යන්න මටත් ‍ලොකු ධෛර්යයක්.

මෙම ප්‍රශ්න පත්‍රය ඉංග්‍රීසි මාධ්‍යයෙන් ලබා දී තිබූ බැවින් එය ඉංග්‍රීසි මාධ්‍යයෙන්ම මෙහි පළකර ඇත.  පිළිතුරු රතු පාටින් දක්වා ඇත.

1.    Which of the following is/are incorrect?
A – Data doesn’t have a specific meaning
B – Height of a student is an example for discrete data
C – Shape of a lake is qualitative data
(1)  A only        (2) B only        (C) A and C only         (4) A and B only

2.    Following are some features of computers that change with the evolution of computer generations.
(a)  Processor speed               (b) Physical size         
(c)  Power consumption          (d) Heat generation

Which of the above features gradually decreased with the generations?
(1)  a,b and c   (2) a,c and d    (3) a,b and d    (4) b,c and d
     
3.    Which of the following device can identify the characters in a document separately?
(1)  Mouse       (2) Scanner     (3) OCR          (4) MOR

4.    Which one of following options correctly arranges the speed of computer memories in descending order?
(1)  Registers, Cache memory, RAM, CD
(2)  RAM, Registers, Hard disk, CD
(3)  RAM, Cache memory, Registers, Hard disk
(4)  Hard disk, RAM, Registers, Cache memory

5.    Network between two offices in two nearby cities is preferably called ………..
(1)  LAN           (2) MAN          (3) WAN          (4) VAN

6.    Which of the following is a disadvantage of Ring topology?
(1)  One computer is broken others can’t communicate
(2)  Redundant data paths between computers
(3)  If the central device fails whole
(4)  More cables are required

7.    What is the largest value of the following?
(1)  738             (2) 5810            (3) 1111002     (4) 3F16

8.    Which of the following binary number pair represent an even number and an odd number respectively?
(1)  0111, 0011            (2) 0111, 0110             (3) 0111, 0001             (4) 0010, 1001

9.    The LSB and MSB of the binary number 01101010 respectively are?
(1)  0 and 1      (2) 0 and 0       (3) 1 and 0       (4) 1and 1

10.  What is the Hexadecimal equivalent of the octal number 6378?
(1)  19F            (2) 197             (3) 08E            (4) DF

11.   Which of the following represents the number 495 in BCD?
(1)  010010010101      (2) 100010011010       (3) 010011001010       (4) 10010010110

12.  The ASCII code of the character “B” is 66. Which one of the following represents the character “A” in binary?
(1)  1100001    (2) 1000001     (3) 1000010     (4) 1111010

13.  The simplified output of the logic circuit shown below is …….



 


(1)  AB+A’B     (2) AB+A’.B’    (3) B    (4) AB



14.  A person has two options to go to the office; either by bus or car. Which of the following logical operation(s) correctly represents this scenario?
(1)  OR                        (2) XOR          (3) XNOR        (4) OR and NAND

15.  Which of the following is not system software?
(1)  Anti Virus Software           (2) Spreadsheet Software      (3) Device Driver Software
(4) Operating System
16.  Large computer files can be compressed before storing them. Which one of the following is the usual reason doing this?
(1)  Make it more difficult for hackers to read
(2)  So they can be expanded before they are used
(3)  To reduce the storage space needed
(4)  To get people to write shorter letters

17.  In a word document, a person has repeatedly miss-spelt the word “letter” as “latter”. Which of the following is suitable to correct it?
(1)  Delete and Replace          (2) Find and Replace
(3) XNOR                                (4) Spelling and Grammar
18.  What is the most suitable view to rearrange the order of slides in a Power Point presentation?
(1)  Normal      (2) Slide Show                        (3) Slide Sorter            (4) Handout



Answer the question number 19, 20 and 21 using the spreadsheet given below.


A
B
C
1
84
36
=(A1+B1)/A$4
2
26
66

3
112
20

4
4
2



19.  The formula (B1+B2)/B3 is stored in the cell C4. What would be the value displayed in cell C4?
(1) 3.25            (2) 8                 (3) 38.25          (4) 5.1

20.  What is the value in cellC2, if the formula in cell C1is copied to cell C2 and C3 using handle method?
(1)  30              (2) 23               (3) 46               (4) An Error

21.  The type of cell references of the formula in cell C1 respectively are,
(1)  Relative, Relative, Absolute          (2) Absolute, Relative, Absolute
(3) Absolute, Absolute, Relative         (4) Relative, Absolute

22.  Which of the following is not a DBMS?
(1)  SQL           (2) Oracle        (3) Sybase      (4) FoxBase

23.  Which of the following is not a feature of a Primary Key?
(1)  Unique       (2) It is used to link tables       (3) It allows null values           
(4) It doesn’t allow to enter duplicate records

24.  Which of the following is an essential object of a database?
(1)  Tables       (2) Queries      (3) Forms        (4) Reports

25.  Select the invalid database field name out of the following?
(1)  Student#15            (2) Grade.7     (3) Last-name             (4) Num(1)

26.  One piece of data about a single person or thing is known as a …………….
(1)  Record      (2) Table          (3) Field           (4) Database

27.  Which of the following is not an advantage of computerizing manual information system?
(1)  High initial cost      (2) Reducing paper based work
(3) High availability     (4) Increasing the efficiency
28.  Which of the following application requires real time processing?
(1)  A student registration system       (2) O/L results processing system
(3) A payroll system                            (4) Seat reservation system
29.  Which of the following converts the source code line by line into its object code?
(1)  Compiler   (2) Debugger               (3) Assembler             (4) Interpreter

30.  What is the output of the following VB statement?
Print  4 + 8 \ 2 * 2  Mod  7
(1)  5                (2) 6                 (3) 7                 (4) 0


Question 31 and 32 are based on the following program

Private Sub Command1_Click()
Dim Num(4) as Byte
For I = 0 to 4
     Num(i) = i
Next i
Print Num(2) + Num(4)
End Sub



31.  How many elements are there in the above Num array?
(1)  6                (2) 4                 (3) 5                 (4) 0

32.  The output of the above program is
(1)  6                (2) 5                 (3) 2                 (4) 4

33.  Select the incorrect statement
(1)  Second generation languages are machine dependent
(2)  COBOL is a third generation language
(3)  Interpreter is faster than compiler
(4)  First generation language are very difficult to write and modify

34.  Select the valid visual basic variable name out of following
(1)  Grade9                  (2) Grade-9                 (3) 9Grade                  (4) Grade$

35.  Select the correctly declared global level variable
(1)  Dim age As Integer           (2) Static age Integer
(3) Dim age%                          (4) Public age As Integer

36.  Consider the following code
Private Sub cmd1_click()
Dim R As Integer
R = R + 1
Print R
End Sub

Private Sub cmd2_click()
Static S As Integer
S = S + 1
Print S
End Sub

What are the values R and S after clicking each command button twice?
(1)  R=1, S=1              (2) R=2, S=2               (3) R=1,S=2                (4) R=2, S=1

37.  Which device is not essential to connect a computer to the Internet?
(1)  Modem      (2) Communication Media      (3) ISP             (4) Search Engine

38.  Which one of the following is not a part of URL?
(1)  Protocol     (2) Path           (3) Browser     (4) File Name

39.  Which one of the following is not a phase of System Life Cycle?
(1)  System Design     (2) System Analysis   
(3) System Classification        (4) System Maintenance
40.  According to the classification of computer, Laptop computers are belongs to?
a.    Micro Computer    b. General Computer
c. Digital Computer     d. Super Computer
(1) a only         (2) a and b only           (3) a,b and c only        (4) All above

පිළිතුරු සැපයීමේ දී වැඩිදුර පරිශීලනය සඳහා භාවිතා කළ හැකි වෙබ් ලිපින පහත දක්වා ඇත. දැනුම වැඩි කරගැනීමටත් අන්තර්ජාලය භාවිතාකර කරුණු සොයාගන්නා ආකාරය පුහුණු වීමටත් පහත ඇති වෙබ් ලිපින වෙත ගොස් කියවා බලන්න.

5 comments:

දිලීප ඉලංගකෝන් | Dileepa Ilangakoon said...

මගේ බලාපොරොත්තුව සා.පෙ හා උ.පෙ කරන අපේම නංගිලා මල්ලිලාට උදව්වක් වෙන්නයි. ඉතින් වැඩේ කොහොමද කියලා කොමෙන්ටුවකුත් දාලම යනවානම් ලොකු හයියක්.

Dilan said...

ela wadak

දිලීප ඉලංගකෝන් | Dileepa Ilangakoon said...

@ඩිලාන් - ඔබගේ කොමෙන්ටුව‍ට ස්තූතියි.

Vitiyala Vithanage Dharmawardana said...

Lot of thanks

Saman Withanage said...

දිලීප ඉලංගකෝන් නියමයි...

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