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Wednesday, December 24, 2014

Computer Organization And System Maintenance - Question Paper of BCA 1st Year April 2011 - Panjab University

Panjab University Chandigarh
Computer Organization And System Maintenanc
e

Paper : BCA 1st Year
Time : 3 Hrs.
M.Marks : 90

Note : Attempt five questions in all. select one question each from Sections A-D and the ninth compulsory question

Section - A

1. (a) Why various codes are required and used to represent information ? Explain various types codes also. 9
(b) What are Flip-Flops ? Explain the working of Rs Flip-Flop. 9

2. (a) How addition is performed for 2's complement numbers ? Explain. 9
(b) Explain Encoder and Decoder combinatorial circuits with their importance. 9

Section - B

3. (a) How data transfer take place in direct memory access mechanism ? 9
(b) What are Addressing Models ? Explain various Register Based Communication. 9

4. (a) Explain vector and priority interrupts. 9
(b) Draw difference between Stroke based and Handshake based Communication. 9

Section - C

5. (a) How static and dynamic RAM are organized ? Explain. 9
(b) Write an Assembly language program for integer multiplication. 9

6. (a) Explain Virtual Memory Organization in detail. 9
(b) Explain Booth's algorithm in detail with its execution with suitable inputs. 9

Section - D

7. (a) Define and Explain System maintenance in detail. 9
(b) Briefly give the functional description of various cards used in PC. 9

8. (a) Which are various internal cards used in PC ? Explain in detail. 9
(b) How viruses are detected and how computers are protected from them ? Explain. 9

Section - E

9. Compulsory question. Explain the following :
(a) Gates
(b) Sequential Circuits
(c) Micro-operation
(d) Register Transfer
(e) Instruction format
(f) Peripherals used in PC
(g) Diagnostics on a PC
(h) Associative Memory
(i) Floating representation of a number 9*2=18

Personal Computing Software - Question Paper of BCA 1st Year April 2011 - Panjab University

Panjab University Chandigarh
Personal Computing Software


Paper : BCA 1st Year
Time :3 Hrs.
M.Marks : 90

Note : Attempt five questions in all. select one question each from Sections A-D and the entire compulsory question

Compulsory Question

1. (a) Define Hardware and software. Give one example of each.
(b) What are the various units for memory storage ? Explain their meanings.
(c) What is the difference between a compiler and a interpreter ? Give example of each.
(d) Define Booting, Warm Booting and Cold Booting.
(e) What are the various components of a window ? Draw a labelled diagram.
(f) Write steps to create a new toolbar in Ms-word.
(g) Explain the concept of cell referencing in MS-Excel.
(h) What are the advantages of presentation packages for students ?
(i) Distinguish between Internet and WWW. 2*9=18

Section - A

2. (a) Explain the classification of computer based on size and architecture.
(b) Explain secondary storage devices. 9,9

3. (a) What is booting sequences of MS-DOS for booting from a HDD ? Explain all steps.
(b) Explain the following MS-DOS commands. Give their syntax along with commonly used switches also ATTRIB, XCOPY, PROMPT. 9,9

Section - B

4. (a) What are the files which are used for configuring the system in MS-DOS ? Explain the purpose of each and the various commands used in them ?
(b) What are Batch Files ? Create a Batch to make a Menu Driven Utility for Basic DOS commands. 10,8

5. (a) How are Files managed through windows ?
(b) Compare the features of Notepad and Wordpad.
(c) What is the significance of OLE ? 6,8,4

Section - C

6. (a) What is Mail Merge feature ? How is it used for creating documents and envelopes ?
(b) Explain the features of a presentation package. 10,8

7. (a) Explain the various Page Formatting features available in word processing package.
(b) Explain the following features :
(i) Auto Text
(ii) Auto Correct
(iii) Headers and Footers
(iv) Borders and Shading 10,8

Section - D

8. (a) Explain Database Management in spreadsheet package.
(b) Write a detailed note on evolution of Internet services provided on Internet. 9,9

9. (a) Explain the following:
(i) Chart Feature
(ii) Macros
(b) Write a detailed note on Frontpage. Explain its components and steps for installation. 10,8

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