BCA 1st year question paper 1 of patliputra university 2019

Paper :First
(Degree part-1) Vocational Examination, 2019
[Paper : First ]
[PPU-D-I(V)H-BCA - 1]
Time : Three Hours] [Maximum Marks :75

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Note:Candidates are required to give their answer in their own words as far as practicable. The question are of equal value. Question No. 1 is compulsory. Answer any five question in all.

1. Perform the following conversions:


1. Convert binary 1001001110 to Decimal.
2. Convert decimal 1024 to Binary.
3. Convert (DCA4) to Binary.
4. Convert (11010101) into 2^s Complement.
5. Find (342) + (410) and convert the result to decimal.


2. 
   
   1. Discuss the characteristics of a digital computer.
   2. What is the difference between analogue, digital and hybrid computer system ?
   3. What is the difference between input, output and i/o unit ? Give two examples of each.
   
   
3. 
   
   1. Name the applications of a digital computer in various areas of present day life.
   2. Draw a labelled diagram of a drum printer and describe its working mechanism. Is it a non-impact type of printer?
   
   
4. Differentiate between the following with examples:
1. SASD and DASD
2. E-Mail and Instant Messenger
3. ASCII and EBCDIC


5. With respect to hard disk drive, define:
1. Track and Sector
2. Seek Time and Latency Time
3. Field, Record, Block, Blocking Factor


6. How are negative number represented in a digital computer ? Discuss the different schemes representing negative numbers with their characteristics.


7. What is the difference between :
1. HLL and LLL
2. Machine language and Assembly language
3. Compiler and Interpretor


8. What do you understand by MIS ? What are the main information system that are essential for a business organization ?


9. 
   
   1. What are the essential characteristics of an algorithm Enumerate.
   2. Write an algorithm to print out the prime numbers from 101 to 200.
   
   
10. Write short notes on :
1. Teleconferencing
2. Distributed Processing
3. Thermal Printers