| 1. | (a) | Convert the following from one number system to another system along with the working notes: | 5x1=5 | |
| | | (i) | (101101.1101)2 = ()10 | | (0) |
| | | (ii) | (56.57)8 = ()16 | | (0) |
| | | (iii) | (36.125)10 = ()2 | | (0) |
| | | (iv) | (11001.10)2 = ()8 | | (0) |
| | | (v) | (426.40)8 = ()10 | | (0) |
| | (b) | Describe briefly, the following terms with reference to Information Technology: | 5x1=5 | |
| | | (i) | Structured Query Language (SQL) | | (0) |
| | | (ii) | Drag | | (0) |
| | | (iii) | Bidirectional Printing | | (0) |
| | | (iv) | Formatting | | (0) |
| | | (v) | Internet Service Provider (ISP). | | (0) |
| | (c) | Give one or two reasons for each of the following: | 5x1=5 | |
| | | (i) | Use of Dynamic Processing | | (0) |
| | | (ii) | Use of Cache Memory in processor | | (0) |
| | | (iii) | Use of RS–232C Port | | (0) |
| | | (iv) | Use of Bridges in the Network | | (0) |
| | | (v) | Use of drivers. | | (0) |
| | (d) | Write True or False for each of the following: | 5x1=5 | |
| | | (i) | MS–Windows is a multi tasking operating system. | | (0) |
| | | (ii) | Magnetic tape supports random file organization. | | (0) |
| | | (iii) | The default number of worksheets in an MS–EXCEL work book is three. | | (0) |
| | | (iv) | In MS–WORD, Drop cap can be selected from Tool Menu. | | (0) |
| | | (v) | Flash memory uses solid state chips to store data and the data stays recorded only when the power supply is turned on. | | (0) |
| 2. | Distinguish between the following. Answer any four: | 5x4=20 | |
| | (i) | Key to disk and Key–to–diskette | | (0) |
| | (ii) | Serial transmission and Parallel transmission | | (0) |
| | (iii) | Ring Network and Mesh Network. | | (0) |
| | (iv) | Centralized processing and Distributed processing. | | (0) |
| | (v) | Hardware and Software. | | (0) |
| 3. | (a) | What is Decision Support System (DSS)? Explain its various components | 5 | (0) |
| | (b) | Explain briefly various Disaster Recovery (DR) plans for eliminating Down time. | 5 | (0) |
| | (c) | Draw a flow chart to compute and print Income–tax, Surcharge and Education cess on the income of a person, where income is to be read from terminal and tax is to be calculated as per the following rates: | Slab
(Rs.) | Rate | (i)
(ii)
(iii)
(iv) | 1 to 1,00,000
1,00,001 to 1,50,000
1,50,001 to 2,50,000
2,50,0001 onwards
Surcharge
Education cess | No tax
@ 10% of amount above 1,00,000
Rs. 5,000 + 20% of amount above 1,50,000
Rs. 25,000 + 30% of amount above 2,50,000
@ 10% on the amount of total tax, if the income
of a person exceeds Rs. 10,00,000
2% on the total tax |
| 10 | (0) |
| 4. | (a) | Briefly discuss features of data centres. | 5 | (0) |
| | (b) | Describe various functions performed by a Database Administrator. | 5 | (0) |
| | (c) | Define Database. Explain in brief different types of databases. | 10 | (0) |
|
| 5. | (a) | Describe briefly various benefits provided by online systems. | 5 | (0) |
| | (b) | Explain various benefits offered by Electronic Data Interchange (EDI). | 5 | (0) |
| | (c) | Define the following functions used in MS–EXCEL: | 5x1=5 | |
| | | (i) | ABS | | (0) |
| | | (ii) | NPER | | (0) |
| | | (iii) | AVERAGE | | (0) |
| | | (iv) | ROUND | | (0) |
| | | (v) | PROPER | | (0) |
| | (d) | Explain briefly, the enhanced features of power point. | 5 | (0) |
| 6. | (a) | Explain the importance of “Data Volume” and “Usage Analysis” in the design of database | 5 | (0) |
| | (b) | Define the following terms with reference to Section 2 of Information Technology Act, 2000: | 5x1=5 | |
| | | (i) | Key Pair | | (0) |
| | | (ii) | Originator | | (0) |
| | | (iii) | Digital Signature | | (0) |
| | | (iv) | Secure System | | (0) |
| | | (v) | Computer Network. | | (0) |
| | (c) | Explain the advantages of decision tables. | 5 | (0) |
| | (d) | Explain major steps involved in using the CAATs. | 5 | (0) |
| 7. | Write short notes on the following. | 4x5=20 | |
| | (i) | Smart Card System | | (0) |
| | (ii) | Language Translators | | (0) |
| | (iii) | Network Attached Storage (NAS) | | (0) |
| | (iv) | Program (Parallel) Simulation. | | (0) |
