Computer Guess Paper

1. Describe major units of C.P.U with diagram?
2. Define Operator and explain their types?
3. What are input and output devices, discuss four division of a keyboard ?
4. Discuss the feature of 3rd and 4th generation of computer with the help of table?
5. Define Flowchart ? why program flowchart considered a logical diagram?
6. What is basic language ? write it's Characteristics?
7. Differentiate between
   • Softcopy and Hardcopy
   • Micro, Mini and Main Computer
   • Command and Statement
   • Data and Information
   • Analog and Digital Computer
   • Constant and Variables
   • Hardware and Software
   • Compiler and Interpreter
   • Object program and Source program
8. Write down the syntax and purpose of the following
   • KILL (Command)
   • LOCATE (Statement)
   • INPUT  (Statement)
   • FOR, NEXT (Statement)
   • GOSUB (Statement)
   • CLS (Statement)
   • LEFT$ (Function)
   • AUTO (Command)
   • NEW (Command)
   • STRING$ (Function)
9. What does a dot matrix printer mean ? State different types of printer and discuss them?
10. Convert the decimal No. into their binary equations
    1. 201       2.    444      3.    52       4.    898       5.  100     6.  8
11. Convert Command into Decimal No.
    1. 101011    2.   111     3.   000011     4.   11100
12. Write the Basic formulae that correspond the each of the following algebric expressions
    • 2a²b²+3xy+5x²y²
    • (2x²y+3xy²)
    • a²b²/2a²b²
    • √(5n/12n²- 3x³)
    • (a-b)^1/2
13. ^{Write Short Notes on:}
    • ^{High and Low level Languages}
    • ^{Disk Operating System (D.O.S)}
    • ^{Syntax errors and Logical errors}
    • ^A.L.U
    • ^{Floppy Disk}
    • ^{Problem Solving  Steps}
    • ^{Middle age of Computer}
14. ^{Remove the Errors if any}
    1. ^{5REEM ** Mark Sheet **}
    2. ^{5.5 INPUT TAB (90) "NAME" : N$}
    3. ^{-65 PRINT "MY SCHOOL NAME"}
    4. ^{100S$ = MID$ (A$5)}
    5. ^{99 READ 4,5,SIX : DATE A,B,C$}
    6. ^{25 GOSUB R}
    7. ^{10 IF A = 10 TO 50 THEN END}
    8. ^{15 LET X "=" A "*" B}
    9. ^{80 FOR I = 20 TO 10 STEP-2}
    10. ^{18 LOCATE (5,10) : PRINT "ME"}
15. Sort out string as Numeric, String and Incorrect:
    • 1.   RS     2.    P$    3.   KL     4.    $AS    5.    A$B    
    • 6.   P%    7.    T2    8.   92A    9.   A2$    10.   A$2
16. Little Program may be given (as in above) and may called to
    • Calculate the Output of the program
    •  Illustrate the program and Functions of that program
    • Is their is a need of any statement in between the program

------------GOOD LUCK------------