This Paper has 25 answerable questions with 0 answered.
| Roll No……………… | |
| Time allowed : 3 hours | Maximum marks : 100 |
| Total number of questions : 8 | Total number of printed pages : 2 |
PART —A
(Answer Question No.1 which is compulsory and any two of the rest from this part.)
|
| Marks |
| 1. | Write notes on the following : | 5each | |
| | (i) | Black box concept | | (0) |
| | (ii) | Factors affecting information needs | | (0) |
| | (iii) | Benefits of computers | | (0) |
| | (iv) | Methods of detecting computer crimes. | | (0) |
| 2. | (a) | Define ‘management information system’ (MIS) and mention its important characteristics. | 8 | (0) |
| | (b) | What is DOS ? Discuss any three DOS commands. What is the difference between a file and a directory ? | 7 | (0) |
| 3. | (a) | Discuss the major functions of ‘operating system’. | 8 | (0) |
| | (b) | What are the functions of ‘data base management system’ (DBMS) ? | 7 | (0) |
| 4. | (a) | What are the general aims of writing programs ? | 5 | (0) |
| | (b) | Describe top down programming approach. | 5 | (0) |
| | (c) | Write a note on ‘visual programming’. | 5 | (0) |
PART —B
(Answer Question No.5 which is compulsory
and any two of the rest from this part.)
|
| 5. | (a) | Write notes on any three of the following : | 4each | |
| | | (i) | Significance of quantitative techniques | | (0) |
| | | (ii) | Law of statistical regularity | | (0) |
| | | (iii) | Census and sample investigation | | (0) |
| | | (iv) | Objectives of measurement of seasonal variations | | (0) |
| | | (v) | Harmonic mean. | | (0) |
| | (b) | The following is the distribution of weekly wages of workers: Wages (Rs.)
No. of Workers | 50 – 100
25 | 100 – 150
42 | 150 – 200
63 | 200 – 250
50 | 250 – 300
20 |
Determine —
(i) Median (Md) and quartiles (Q1 and Q3); and
(ii) Percentage of workers getting weekly wages between Rs.125 and Rs.260. |
| 8 | (0) |
| 6. | (a) | Distinguish between the following : | 2each | |
| | | (i) | ‘Continuous series’ and ‘discrete series’. | | (0) |
| | | (ii) | ‘Exclusive class intervals’ and ‘inclusive class ntervals’. | | (0) |
| | | (iii) | ‘More than’ and ‘less than’ frequency tables. | | (0) |
| | (b) | Weights of 10 students in kilograms are given below. Find the mean, standard deviation and its coefficient
41, 44, 45, 49, 50, 53, 55, 55, 58, 60 | 9 | (0) |
| 7. | (a) | Describe the merits and demerits of sampling. | 5 | (0) |
| | (b) | From some given data, the consumer price index based on 5 groups was calculated at 205. The percentage increase in prices over base period is given below : Rent and taxes
Fuel and light
Clothing
Miscellaneous | 60
120
210
130 |
Calculate the percentage increase in the food group given that the weights of the different groups were as follows Food
Rent and taxes
Fuel and light
Clothing
Miscellaneous | 60
16
12
8
4 |
| 10 | (0) |
| 8. | (a) | Explain any one application of linear programming model. | 5 | (0) |
| | (b) | Solve graphically the following linear programming problem: | Minimize Z = | 4x1 + 3x2 | | Subject to | 2x1 + 3x 2 ≥ 6
2x1 + 3x 2 ≥ 12
x1 + x2 ≥ 5
x1, x2 ≥ 0 |
| 10 | (0) |
