CLASS 6 CHAPTER 2 Q/A

 

CLASS 6

     

   CHAPTER 2 - PROGRAMMING 01

Q1 What is program?
Ans 1. Program is a collection of instructions for performing a specific task.

Q2. What is Programming?
Ans 2 – Programming is the process of writing instructions / programs that get executed by computers.

Q3 What is Programming language?
Ans 3 – Programming Language is a formal language and is a set of rules for instructing a computer to perform specific task. Example – LOGO , JAVA , C ,C++

Q4. What is LOGO?
Ans 4 – LOGO is Logic Oriented Graphics Oriented.
Logo is a programming language.

Q 5. Draw window of MSW LOGO and name different parts.
Ans 5 –

Q.6 What is Pixel?
Ans 6 – Pixel is the smallest unit of a digital image or computer screen that can be displayed.
               Pixel is unit of measurement of Turtle in LOGO.

Q7 . – What are two main commands in Logo?
Ans 7 – Two main commands in LOGO are-
a) Move Command – It is used by turtle to move forward or backward in a straight line.
i) FORWARD Distance or FD distance – to move forward.
ii) Back Distance or BK Distance – to move backward.
b) Turn Command – It is used by Turtle to move by an angle .
i) LEFT angle or LT angle – to turn left.
ii) RIGHT angle or RT angle – to turn right.

Q8. – What is REPEAT command in LOGO?
Ans 8 – Repeat command is used to repeat the given set of commands for n times.
         REPEAT <no. of times> [commands]

Q9.-What is PRINT command in LOGO?
Ans. 9 – Print Command is used to do calculations. Output of the given calculation is shown in output window of LOGO.
PRINT 4 *80
Output is 320

Q.10 – What is HT command?
Ans 10 – HT command is used to Hide turtle on Logo Screen.

Q. 11 – What is ST Command?
ANs 10 – ST command Is used to Show Turtle on Logo Screen.

Q.12 – What is Home Command?
Ans 12 – Home Command is used to place turtle in mid of screen.

 Q.13 Write Commands to draw a square in LOGO.
Ans 13-  LOGO commands are-
   FD 10
RT 90
FD 10
RT 90
FD 10
RT 90
FD 10
RT 90

Q.14 – Write commands to draw a Rectangle in LOGO.
Ans 14- Commands are-
    FD 10
RT 90
FD 15
RT 90
FD 10
RT 90
FD 15
RT 90

Q.15 – Write commands to draw a circle in LOGO.
Ans 15- Commands to draw a circle are –
        REPEAT 360 [FD 1 RT 1 ]