(IX) Computer - Final Term Exam 2077

ROSEBUD SCHOOL
Buddhanagar, Kathmandu
FINAL EXAMINATION - 2077
Subject: Computer Science
Class: IX (Nine) Full Marks: 50
Pass Marks: 20
Time: 1:30 hrs.
    Group ‘A’ (10 Mark)
  1. Answer the following questions in one sentence. [6*1=6]
    1. Define Open Source Software.
    2. List any two examples of primary memory.
    3. Define web browser with an example?
    4. Mention any two singular tags.
    5. Write the syntax of MID$ function?
    6. Name any two loops used in QBASIC.
  2. Write appropriate technical terms for the following: [2*1=2]
    1. The language translator that converts human codes into machine code a line at a time.
    2. The nervous system of computer.
  3. Write the full forms of the following: [2*1=2]
    1. CMYK
    2. HTML
    Group ‘B’ (24 Mark)
  4. Answer the following questions. [9*2=18]
    1. List any four graphics file formats.
    2. Differentiate between compiler and interpreter.
    3. Differentiate between GUI and CUI.
    4. List any two input and two output devices.
    5. Define operating system with two examples.
    6. What do you mean by search engine? Give two examples.
    7. Define the role of CSS in web design.
    8. Write HTML code to display:
      1. (a-b)3 = a3-3a2b+3ab2-b3
      2. 2K + H2So4→ K2So4 + H2↑
    9. Write HTML code to display:
      Golden Boot Contestant
      C.Ronaldo L.Messi
      K.Mbappe R.Lewandowski
  5. Write down the output of the given program. Show with dry run in table. [2]
    6. CLS
    A=153
    WHILE A<>0
    R=A MOD 10
    S = S+R
    A=A\10
    WEND
    PRINT”THE RESULT IS”;S
    END
  6. Re-write the given program after correcting the bugs. [2]
    7. REM QBASIC program to find the difference
    START
    70=A
    10=B
    C=B- A
    PRINT “The difference is”; C
    TERMINATE
  7. Study the following program and answer the given questions. [2*1=2]
    8. R$ = "SANITIZER"
    FOR K=1 TO LEN(R$)
    X$ = MID$(R$, K, 1)
    IF UCASE$(X$)="A" THEN
    N = N + 1
    END IF
    NEXT K
    PRINT N
    END
    1. How many times does the loop execute?
    2. List the library functions in above program.
    Group ‘C’ (16 Mark)
  8. Convert/calculate as per the instruction. [4*1=4]
    1. (BBC)16 = (?)2
    2. (42)10 = (?)2
    3. (10101)2 – (1000)2
    4. (11010)2÷ (10)2
    1. Write a QBASIC program to find the square root of supplied number. [4]
    2. Write a QBASIC program to check whether the given year is leap year or not. [4]
  10. Write a QBASIC program to count the number of vowels from a given word. [4]
    OR

    Write a QBASIC program to print the following series 2 2 4 6 up to 20th terms [4]
The End