# How to Prepare for Computer Aptitude and Questions for Practice – PART 2

# How to Prepare for Computer Aptitude and Questions for Practice – PART 2

Dear Banking Aspirant,

The notifications are venturing into the online space of the aspirants in a swift manner and it is tightly packed season of exams. The Mains Examination season has culminated for the IBPS RRB Scale I Officer and Office Assistant 2017 and it is a week away for OICL AO Mains Examination. The most expected exam of the year IBPS PO 2017 have its mains examination on 26th November 2017 and then comes RBI assistant 2017 followed by IBPS Clerk examination 2017 and IBPS SO 2017 Preliminary Examination.

So, out of these exams, IBPS PO 2017 has Computer Aptitude along with the Reasoning Ability now. Exams these days are hard to predict and so we have decided to enrich the aspirants with the important topics in the Computer Section which will act as a strong hold for the basics and all the problems involved, we hope this will help the aspirants in a different way.

The Preparation notes for the Computer Aptitude – Part I has been already given and it mainly focuses on the conversion of the various numbering systems which is the most important in the Computer Aptitude section because that is the one predominant one which involves mathematical calculations. So if you haven’t checked that please click the link below to check that and learn more problems from it and be strong in that concepts.

How to Prepare for Computer Aptitude and Questions for Practice – PART 1

In this part we can learn about the different flow chart symbols used in the computer programming and the algorithm based questions and where they are applied in the Computer Aptitude.

The Flow chart and Pseudo codes are generally used for the better understanding in the computer language. They are used in various forms and predominantly used. Also this can be stated as the breakdown of a complicated process into a simple procedure with the use of diagrammatic representation while the meaning and the procedures of the original one and the codes are not changed.

Some of the important flow chart diagrams used are displayed in the diagram below and later the use for the individual representation are provided in the table below.

The **Rounded Rectangle** represents the START / END of a function or anything in the program.

The **Parallelogram** represents the INPUT/OUTPUT which are produced in a calculation.

The **Rectangl**e represents the CALCULATIONS part where the main functions and the important functions in a program/calculations take part. E.g:- Like the function , (2-3+8=x+89)

A **Diamond** represents the DECISION and they decide the further process in a program and there can be two possibilities as the outcome and decides the flow of the diagram.

The **Connector** represents the relationships between the different shapes in a program or calculations and show the flow of the diagram.

A** rounded character** represents the jump within the process and is also used to indicate a jump in the program /calculations from one point to another.

So next important thing in the Computer Aptitude is the ASCII Table and all the other things are just one liners which can be effectively read. The ASCII TABLE need to be known because this will be really helpful in solving the Conversion table at times, which you will know once the questions are provided. There is a possibility for these types so knowing these things makes a bright chance for the aspirants if these questions are asked in the exams.

**Small Stat about ASCII CODES**

Total Number of ASCII CHARACTERS : 128

Total Number of Printable Characters : 96

Total number of Non Printable Characters : 33 (Most of them are now obsolete)

**Uppercase Letters** : A to Z : **65 to 90**

**Lowercase Letters** : a to z : **97 to 122**

ASCII |
Hex |
Symbol |
ASCII |
Hex |
Symbol |
ASCII |
Hex |
Symbol |

0 | 0 | NUL | ||||||

1 | 1 | SOH | 41 | 29 | ) | 81 | 51 | Q |

2 | 2 | STX | 42 | 2A | * | 82 | 52 | R |

3 | 3 | ETX | 43 | 2B | + | 83 | 53 | S |

4 | 4 | EOT | 44 | 2C | , | 84 | 54 | T |

5 | 5 | ENQ | 45 | 2D | – | 85 | 55 | U |

6 | 6 | ACK | 46 | 2E | . | 86 | 56 | V |

7 | 7 | BEL | 47 | 2F | / | 87 | 57 | W |

8 | 8 | BS | 48 | 30 | 0 (Zero) | 88 | 58 | X |

9 | 9 | TAB | 49 | 31 | 1 | 89 | 59 | Y |

10 | A | LF | 50 | 32 | 2 | 90 | 5A | Z |

11 | B | VT | 51 | 33 | 3 | 91 | 5B | [ |

12 | C | FF | 52 | 34 | 4 | 92 | 5C | \ |

13 | D | CR | 53 | 35 | 5 | 93 | 5D | ] |

14 | E | SO | 54 | 36 | 6 | 94 | 5E | ^ |

15 | F | SI | 55 | 37 | 7 | 95 | 5F | _ |

16 | 10 | DLE | 56 | 38 | 8 | 96 | 60 | ` |

17 | 11 | DC1 | 57 | 39 | 9 | 97 | 61 | a |

18 | 12 | DC2 | 58 | 3A | : | 98 | 62 | b |

19 | 13 | DC3 | 59 | 3B | ; | 99 | 63 | c |

20 | 14 | DC4 | 60 | 3C | < | 100 | 64 | d |

21 | 15 | NAK | 61 | 3D | = | 101 | 65 | e |

22 | 16 | SYN | 62 | 3E | > | 102 | 66 | f |

23 | 17 | ETB | 63 | 3F | ? | 103 | 67 | g |

24 | 18 | CAN | 64 | 40 | @ | 104 | 68 | h |

25 | 19 | EM | 65 | 41 | A | 105 | 69 | i |

26 | 1A | SUB | 66 | 42 | B | 106 | 6A | j |

27 | 1B | ESC | 67 | 43 | C | 107 | 6B | k |

28 | 1C | FS | 68 | 44 | D | 108 | 6C | l |

29 | 1D | GS | 69 | 45 | E | 109 | 6D | m |

30 | 1E | RS | 70 | 46 | F | 110 | 6E | n |

31 | 1F | US | 71 | 47 | G | 111 | 6F | o |

32 | 20 | (space) | 72 | 48 | H | 112 | 70 | p |

33 | 21 | ! | 73 | 49 | I | 113 | 71 | q |

34 | 22 | “ | 74 | 4A | J | 114 | 72 | r |

35 | 23 | # | 75 | 4B | K | 115 | 73 | s |

36 | 24 | $ | 76 | 4C | L | 116 | 74 | t |

37 | 25 | % | 77 | 4D | M | 117 | 75 | u |

38 | 26 | & | 78 | 4E | N | 118 | 76 | v |

39 | 27 | ‘ | 79 | 4F | O | 119 | 77 | w |

40 | 28 | ( | 80 | 50 | P | 120 | 78 | x |

121 | 79 | y | ||||||

122 | 7A | z | ||||||

123 | 7B | { | ||||||

124 | 7C | | | ||||||

125 | 7D | } | ||||||

126 | 7E | ~ | ||||||

127 | 7F |

As promised the questions for the Computer Aptitude will be released as sets in the forthcoming posts. If you need to have anything other than this for the IBPS PO Mains Preparations 2017, please leave your suggestions as comment in the comments section which will be considered immediately. So wait for the questions on this Computer Aptitude section and keep a watch on the website for more updates.