The Institute of Company Secretaries of India 2005 CS Foundation: Information Systems and Quantitative Techniques: - Question Paper

CS Foundation: info Systems and Quantitative Techniques: June 2005
Roll No…………………
Time allowed : three hours
Maximum marks : 100
Total number of ques. : eight
Total number of printed pages : 2

PART—A
(Answer ques. No.1 which is compulsory and any 2 of the rest from this part.)

1. Write notes on the subsequent : (5 marks each)
(i) Black box concept
(ii) Factors affecting info needs
(iii) Benefits of computers
(iv) Methods of detecting computer crimes.

2.(a) Define ‘management info system’ (MIS) and mention its important characteristics.(8 marks)

(b) What is DOS ? explain any 3 DOS commands. What is the difference ranging from a file and a directory? (7 marks)

3.
(a) Discuss the major functions of ‘operating system’. (8 marks)

(b) What are the functions of ‘data base management system’ (DBMS) ? (7 marks)

4.
(a) What are the general aims of writing programs ? (5 marks)

(b) Describe top down programming approach. (5 marks)

(c) Write a note on ‘visual programming’. (5 marks)



PART—B
(Answer ques. No.5 which is compulsory and any 2 of the rest from this part.)

5.
(a) Write notes on any 3 of the following: (4 marks each)

(i) Significance of quantitative techniques
(ii) Law of statistical regularity
(iii) Census and sample investigation
(iv) Objectives of measurement of seasonal variations
(v) Harmonic mean.

(b) The subsequent is the distribution of weekly wages of workers: (8 marks)

Wages (Rs.) 50 – 100, 100 – 150 ,150 – 200, 200 – 250, 250 – 300
No. of Workers – 25,42,63,50,20

Determine —
(i) Median (Md) and quartiles (Q1 and Q3); and
(ii) Percentage of workers getting weekly wages ranging from Rs.125 and Rs.260.

6.
(a) Distinguish ranging from the subsequent : (2 marks each)


(i) ‘Continuous series’ and ‘discrete series’.

(ii) ‘Exclusive class intervals’ and ‘inclusive class ntervals’.

(iii) ‘More than’ and ‘less than’ frequency tables.

(b) Weights of 10 students in kilograms are provided beneath. obtain the mean, standard deviation and its coefficient (9 marks)
41, 44, 45, 49, 50, 53, 55, 55, 58, 60


7.
(a) Describe the merits and demerits of sampling.(5 marks)

(b) From a few provided data, the consumer price index based on five groups was computed at 205. The percentage increase in prices over base period is provided beneath : (10 marks)

Rent and taxes 60
Fuel and light 120
Clothing 210
Miscellaneous 130

compute the percentage increase in the food group provided that the weights of the various groups were as follows
Food 60
Rent and taxes 16
Fuel and light 12
Clothing 8
Miscellaneous 4


8.
(a) Explain any 1 application of linear programming model. (5 marks)

(b) Solve graphically the subsequent linear programming problem: (10 marks)

Minimize Z = 4x1 + 3x2
Subject to 2x1 + 3x two = 6
2x1 + 3x two = 12
x1 + x2 = 5
x1, x2 = 0

Earning:   Approval pending.