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Cobol Flashcards

1
Q

COBOL Stands for

A

Common Business-Oriented Language

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2
Q

What level of programming language is Cobol

A

high-level programming language

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3
Q

It is used to develop business-oriented applications

A

COBOL

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4
Q

Features of COBOL

A
  1. Standard Language
  2. English Like Language
  3. Scalable and reliable
  4. Platform Independent
  5. Robust Language
  6. Structured Programming Capacity
  7. Excellent File and DB handling
  8. Object Oriented Programming
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5
Q

She was a computer pioneer and naval officer.

A

Grace Brewster Murray Hopper

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6
Q

Grace Brewster Murray Hopper is best known for ____________

A

trailblazing contributions to computer programming, and software development.

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7
Q

CODASYL stands for

A

Conference of Data Systems Languages

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8
Q

It aimed to develop a common business language that could be used across industries and sectors.

A

Conference of Data Systems Languages (CODASYL)

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9
Q

In what year does Hopper took part in the Conference of Data Systems Languages (CODASYL)?

A

1959

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10
Q

MILESTONES IN ORDER

A
  1. 1958
  2. 1959
  3. 1960
  4. 1961
  5. 1965-1985
  6. 1986-2018
  7. 2022
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11
Q

MILESTONE: High-level business data processing language.

A

1958

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12
Q

MILESTONE: The final draft of the first specification was completed

A

1959

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13
Q

MILESTONE: Release with some minor modifications in April 1960

A

1960

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14
Q

MILESTONE: COBOL - 61 was published with some more revisions

A

1961

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15
Q

MILESTONES: ANSI approves COBOL as the standard language for

A

1965-1985

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16
Q

MILESTONE: Objective-oriented programming, web support, etc.

A

1986-2018

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17
Q

MILESTONE: IBM Enterprise COBOL for z/IOS 6.4 that supports the latest z16

A

2022

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18
Q

IDE FOR COBOL

A

COBOL
VS Code
JDoodle

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19
Q

COBOL is the ___________ of business computing

A

BACKBONE

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20
Q

BASIC SYNTAX

A
  1. Character Set
  2. Character Strings
  3. Literal
  4. COBOL Word
  5. User-Defined
  6. Reserved Words
  7. Special Characters
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21
Q

are lowest in the hierarchy and they cannot be divided further

A

character set

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22
Q

A-Z Alphabets

A

Upper Case

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23
Q

a-z alphabets

A

lower case

24
Q

20 characters

A
  1. A-Z Alphabets (Upper Case)
  2. a-z Alphabets (Lower Case)
  3. 0-9
  4. Space
    • Plus Sign
    • Minus Sign
    • Asterisk
  8. / Forward Slash
  9. $ Currency Sign
  10. , Comma
  11. ; Semicolon
  12. . Decimal Point
  13. ” Quotation Marks
  14. ( Left Parenthesis
  15. ) Right Parenthesis
  16. > Greater than
  17. < Less than
  18. : Colon
  19. ’ Apostrophe
  20. = Equal
25
are formed by combining individual characters.
character strings
26
is a character-string that can contain any combination of characters from the character set of the computer. It has no effect on the execution of the program.
comment
27
How to comment
* or /
28
is a constant that is directly hard-coded in a program.
literal
29
two Types of literals
1. Non-Numeric Literal 2. Numeric Literal
30
are enclosed in quotes or apostrophes. Length can be up to 160 characters.
Non-Numeric Literals
31
is a combination of digits from 0 to 9, +, -, or decimal point. Length can be up to 18 characters.
Numeric Literal
32
is a character string that can be a reserved word or a user-defined word. Length can be up to 30 characters.
COBOL Word
33
are used for naming files, data, records, paragraph names, and sections.
User-defined
34
are predefined words in COBOL.
Reserved words
35
Example of Keywords in COBOL
ADD, ACCEPT, MOVE
36
2 Operators
Arithmetic Operators and Relational Operators
37
ZERO, SPACES, HIGH-VALUE, LOW-VALUE
Figurative Constants
38
4 Data Types
1. Level Number 2. Data Name 3. Picture Clause 4. Value Clause
39
Level Number and Description: 01
Record description entry
40
Level Number and Description: 02 to 49
Group and Elementary items
41
Level Number and Description: 66
Rename Clause items
42
Level Number and Description: 77
Items which cannot be subdivided
43
Level Number and Description: 88
Condition name entry
44
Enumerate Level Numbers:
01 02 to 49 66 77 88
45
Enumerate Picture Clause Symbols:
9 A X V S P
46
PICTURE CLAUSE: 9
Numeric
47
PICTURE CLAUSE: A
Aphabetic
48
PICTURE CLAUSE: X
Alphanumeric
49
PICTURE CLAUSE: V
Implicit Decimal
50
PICTURE CLAUSE: S
Sign
51
PICTURE CLAUSE: P
Assumed Decimal
52
Cobol Program Structure 4 Divisions:
Identification Division Environment Division Data Division Procedure Division
53
Program Name
IDENTIFICATION DIVISION
54
- Describes the hardware the program is running on - Briefly describes the data files
ENVIRONMENT DIVISION
55
- Defines all data - Files and working storage
DATA DIVISION
56
Logic of the program
PROCEDURE DIVISION

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