This Paper has 43 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.) |
| 1. | (a) | Comment on the characteristics and quality of ‘information’. | (0) | |||
| (6 marks) | ||||||
| (b) | Discuss any three of the following in the context of information system : | |||||
| (i) | (11001)2=( )10 | (0) | ||||
| (ii) | (1AC)16=( )10 | (0) | ||||
| (iii) | (42)10=( )2 | (0) | ||||
| (iv) | (952)10=( )8 | (0) | ||||
| (2 marks each) | ||||||
| (c) | Explain the following in one or two line(s) : | |||||
| (i) | VRAM | (0) | ||||
| (ii) | MROM | (0) | ||||
| (iii) | Cache memory | (0) | ||||
| (iv) | Open systems | (0) | ||||
| (v) | Track ball | (0) | ||||
| (vi) | Bar code reader | (0) | ||||
| (vii) | Primary memory | (0) | ||||
| (viii) | Secondary memory. | (0) | ||||
| (1 mark each) | ||||||
| 2. | (a) | Write brief notes on the following : | ||||
| (i) | System boundary | (0) | ||||
| (ii) | Sub–systems | (0) | ||||
| (iii) | Supra–system | (0) | ||||
| (iv) | Interface | (0) | ||||
| (v) | Analog computer. | (0) | ||||
| (2 marks each) | ||||||
| (b) | Draw a flow chart for the process which will collect only positive numbers from a given list of numbers. If zero appears as the number, the programme terminates : —2, 3, —5, 6, 7, 10, —9, 0 | (0) | ||||
| (5 marks) | ||||||
| 3. | Distinguish between any three of the following : | |||||
| (i) | ‘Compiler’ and ‘interpreter’. | (0) | ||||
| (ii) | ‘Hierarchical structure of database’ and ‘network structure of database’. | (0) | ||||
| (iii) | ‘System software’ and ‘application software’. | (0) | ||||
| (iv) | ‘Batch processing’ and ‘real time processing’. | (0) | ||||
| (5 marks each) | ||||||
| 4. | Write notes on any three of the following : | |||||
| (i) | Impact and non–impact printers | (0) | ||||
| (ii) | Functions of operating system | (0) | ||||
| (iii) | System flow charts | (0) | ||||
| (iv) | Types of database. | (0) | ||||
| (5 marks each) | ||||||
PART—B (Answer Question No.5 which is compulsory and any two of the rest from this part.) |
| 5. | (a) | Discuss any three of the following with examples : | ||||||||||||||||
| (i) | Statistics are aggregate of facts. | (0) | ||||||||||||||||
| (ii) | Statistics are affected to a marked extent by multiplicity of causes. | (0) | ||||||||||||||||
| (iii) | Statistics should be placed in relation to each other. | (0) | ||||||||||||||||
| (iv) | Statistics do not deal with isolated measurements. | (0) | ||||||||||||||||
| (3 marks each) | ||||||||||||||||||
| (b) | Write short note on ‘application of quantitative techniques in marketing’. | (0) | ||||||||||||||||
| (3 marks) | ||||||||||||||||||
| (c) | Distinguish between ‘direct interview’ and ‘indirect interview’. | (0) | ||||||||||||||||
| (3 marks) | ||||||||||||||||||
| (d) | Discuss the dual of a linear programming problem. | (0) | ||||||||||||||||
| (5 marks) | ||||||||||||||||||
| 6. | (a) | From the following data, determine the co–efficient of correlation using Karl Pearson’s direct method based on values :
| (0) | |||||||||||||||
| (7 marks) | ||||||||||||||||||
| (b) | From the following particulars of journey on a scooter, find the average speed of the scooter by using both the ‘harmonic mean’ and the ‘arithmetic mean’. Also, prove that the harmonic mean gives a better result : First 160 kms. covered in 5 hours. Next 160 kms. covered in 4 hours. | (0) | ||||||||||||||||
| (8 marks) | ||||||||||||||||||
| 7. | (a) | Explain the merits and demerits of ‘arithmetic mean’. | (0) | |||||||||||||||
| (8 marks) | ||||||||||||||||||
| (b) | Discuss the steps of ‘forecasting’. | (0) | ||||||||||||||||
| (4 marks) | ||||||||||||||||||
| (c) | Following distribution shows the turnover of the branches of a group of multiple–shops in March, 2008 :
Using assumed mean of Rs.22.5 lakh, calculate –– (i) mean; (ii) standard deviation; and (iii) co–efficient of variation. | (0) | ||||||||||||||||
| (7 marks) | ||||||||||||||||||
| 8. | (a) | Represent the following frequency distribution by a histogram :
| (0) | |||||||||||||||
| (3 marks) | ||||||||||||||||||
| (b) | Calculate geometric mean of the following distribution :
| (0) | ||||||||||||||||
| (3 marks) | ||||||||||||||||||
| (c) | From the following distribution of weekly wages of workers, determine the median wage :
| (0) | ||||||||||||||||
| (3 marks) | ||||||||||||||||||
| (d) | The data given below relates to sales and advertisement expenditure of 20 companies. You are required to form a bivariate frequency distribution with class intervals 62 to 64, 64 to 66 and so on, and 115 to 125, 125 to 135 and so on :
| (0) | ||||||||||||||||
| (6 marks) | ||||||||||||||||||
