Page 332 - AI Ver 1.0 Class 9
P. 332

3.  Which of the following statements allows to repeat a task for a fixed number of times?
              a.  for statement                                  b.  if…else statement
              c.  while statement                                d.  continue statement

            4.  Which of the following can be a part of a list?
              a.  String values                                  b.  Integer values
              c.  List                                           d.  All of these

            5.  If a list named L1 contains 4 elements, then which of the following can be used to access the last element of the L1 list?
              a.  L1[4-1]                                        b.  L1[4]
              c.  L1[-1]                                         d.  Both a and c



        B.  Fill in the blanks.
            1.  An ………………………. uses simple English-like statements.

            2.  ………………………. and ………………………. are important tools before we write an actual code in a specific computer language.
            3.  ………………………. uses symbols for writing a set of instructions.
            4.  ………………………. is used for preparing documentation of an application.
            5.  ………………………. designed Python and released it in 1991 can be freely downloaded from the website ………………………. .

            6.  Examples of assignment operators are ………………………. and ………………………. .
            7.  ………………………. is a character encoding standard that uses numeric codes to represent characters in upper and lower
              cases, numbers, and punctuation symbols.
            8.  ………………………. is a special literal.

            9.  In ………………………. programming, the program instructions are executed one after the other in a sequence.
           10.  The block of statements is executed based on a ………………………. using if statement.
           11.  ………………………. keyword is optional with if statement.
           12.  ………………………. means visiting each element and processing it as required by a program.

           13.  ………………………. indexing begins with -1.
           14.  The elements in a list can be of ………………………. data types.

           15.  ………………………. function will delete all the elements in a list.
        C.  State whether these statements are true or false.

            1.  Modification of the program through flowchart is sometimes time-consuming.               ……….……
            2.  It is easy to represent branching and looping in an algorithm.                           ……….……
            3.  CodeCombat is a free coding educational game available on the internet.                  ……….……
            4.  Integers are used for mathematical calculations.                                         ……….……

            5.  Python is easy to learn as a high-level programming language.                            ……….……
            6.  It is optional to specify colon(:) after writing a condition with the if statement       ……….……
            7.  Step value can be -ve or +ve in for loop.                                                ……….……
            8.  Each value/element is separated by a comma.                                              ……….……
            9.  There are different ways of visiting each element of a list.                             ……….……
           10.  The append() can be used to append any value at any location in a list.                  ……….……



                  330   Touchpad Artificial Intelligence-IX
   327   328   329   330   331   332   333   334   335   336   337