Code: DC07                                                                                 Subject: BUSINESS SYSTEMS

Time: 3 Hours                                                                                                     Max. Marks: 100

NOTE: There are 9 Questions in all.

· Question 1 is compulsory and carries 20 marks. Answer to Q. 1. must be written in the space provided for it in the answer book supplied and nowhere else.

· Out of the remaining EIGHT Questions answer any FIVE Questions. Each question carries 16 marks.

· Any required data not explicitly given, may be suitably assumed and stated.

Q.1       Choose the correct or best alternative in the following:                                         (2x10)

a. Grammatical nature errors are _______________.

(A) runtime error                                  (B) logical error

(C) syntax error                                   (D) execution error

b. The default file extension name used with program files is ___________.

(A) .EXT                                             (B) .PRG

(C) .EOF                                            (D) .FILE

             c.   ACCEPT creates a __________.

(A) Integer type variable                     (B) String type variable

(C) Character type variable                  (D) Data type variable

             d.   What helps engineers to produce drawing?

(A)  CAT                                           (B)  CAD

(C)  CAS                                           (D)  CAA 

             e.   The correction of errors in a computer program is ____________.

(A) Detecting                                     (B) Correcting

(C) Compiling                                      (D) Debugging

             f.    The OTHERWISE clause can be used with

(A) DO WHILE – END WHILE       (B) DO FOR – END FOR

(C)  DO CASE – END CASE            (D) DO SCAN – END SCAN

             g.   The STR( ) function converts numeric data to_______________.

(A) integer data                                  (B) character data

(C)  float data                                      (D) string data

             h.   A Compiler is a translating program that converts the ______________.

(A) Source program into an object program         

(B)  Source program into class program

(C)  Object program into source program 

(D)  Object program into class program

             i.    The use of WAIT command indicates ________________.

(A) ending of the program                 

(B)  stop to write the program

(C)  pause  the execution of the program

(D)  stop to read the program

             j.    The IIF( ) function is called __________.

(A) Intermediate                                 (B)  Immediate

(C)  Input                                            (D)  Interactive

Answer any FIVE Questions out of EIGHT Questions.

Each question carries 16 marks.

Q.2     a.   Explain the various steps involved in program life cycle?                                     (6)

b. Write a small program by using SCAN-END SCAN.                                         (5)

c. What is a memory variable?  How will we create and use memory variables?      (5)

Q.3     a.   Explain about merits and demerits of file organization techniques?

                   (i)  Sequential                                     

                   (ii) Index Sequential (8)

b.   Explain the difference between

(i)  Multiprogramming and time sharing                                                                   

(ii) Relative and Index file organization  (8)                                                             

Q.4     a.   Enumerate the constraints in the operation of Management Information Systems (MIS).                  (9)

b.   Explain the need for MIS in an organization.                                                       (7)

Q.5     a.   What is the procedure to manage Database files?                                                (6)

     b.   Draw a program flowchart for the below series

(10)

  Q.6     a. Explain the approaches for Computer Audit?                                                    (12)

b.   Explain about the Audit Trial.                                                                             (4)

Q.7     a.   Explain about Grandfather-father-son data storage system?                                 (6)

b.   Explain the commands

                   EDIT,   BROWSE,   LOCATE,   PACK                                                         (10)

Q.8     a.   Explain about Backup files and file security.                                                        (7)

             b.   Explain with the help of an example how to create a RQBE join condition window.             (9)

Q.9          a.                                                                                                                                       Describe the various steps in converting a manual operating payroll system into a computer application.   (10)

             b.   Discuss various tools used in flowcharts. Draw a flow for finding sum of first n natural numbers.                                                                 (6)