Acharya Nagarjuna University (ANU) 2007 Post Graduate Diploma Computer Application s - Question Paper
Computer Applications - May 2007
(PGDCA 01)
P.G.DIPLOMA EXAMINATION, MAY 2007.
Computer Applications
Paper I -INFORMATION TECHNOLOGY Time: Three hours Maximum: 75 Marks
Answer any FIVE questions All Questions carry equal marks.
1. What is an information system ? How it is managed in organizations?
2. Explain framework for understanding Management Information systems.
3. What is program? Explain program development steps.
4. What is DBMS ? Explain various data models.
5. Describe the five generation levels of programming languages.
6. What are secondary storage devices ? Explain them in detail.
7. Write the difference between system software and application software.
8. Explain telecommunications and write its applications.
9. Define (a) TCP/IP (b) http(c) URL (d) home page.
10. What is internet ? Explain various Internet applications.
(PGDCA 02)
P.G.DIPLOMA EXAMINATION, MAY 2007 Computer Applications
Paper II - PROGRAMMING WITH C++
Time: Three hours
Maximum: 75 Marks
Answer any FIVE questions All Questions carry equal marks.
1. Explain various features of OOPs.
2. Explain operator precedence in C++
3. Explain about objects and classes in C++
4. What is the difference between C++ struct and class ? Explain with example.
5. Explain about friendly functions.
6. Define a constructor. Explain void constructor, Default constructor and Parameterized constructor with relevant examples.
7. Explain static member data and static member function with examples
8. Discuss about exception handling with examples
9. Explain briefly about reference variables in C++ ?
10. Distinguish between function template and template class with relevant examples.
P.G.DIPLOMA EXAMINATION, MAY 2007.
Computer Applications
Paper III - COMPUTER ORGANIZATION
Time: Three hours Maximum: 75 Marks
Answer any FIVE questions All Questions carry equal marks.
1. Explain the important features of various computer generations.
2. Explain the designing of performance
3. Explain interrupts and methods to dealing with multiple interrupts.
4. Explain PCI bus structure in detail.
5. Explain magnetic disk read and write mechanism
6. Briefly explain seven RAID levels.
7. Explain Addition and Subtraction of integers and draw the block diagram of hardware to implement these operations.
8. Explain floating point representation of binary numbers and IEEE standard.
9. Explain the CPU organization with block diagram.
10. Explain instruction cycle with the help of state diagram.
(PGDCA 04)
P.G.DIPLOMA EXAMINATION, MAY 2007.
Computer Applications
Paper IV - DATA STRUCTURES
Time: Three hours Maximum: 75 Marks
Answer any FIVE questions All Questions carry equal marks.
1. Write a program for Matrix multiplication
2. Explain about various stack applications.
3. Explain about Single and Double linked lists with example.
4. Write the procedure for two stacks in a single array.
5. What is a linked list and give the structure representation of a linked list ?
6. Explain about Linked stack.
7. What is a Doubly ended queue and give examples ?
8. Explain about a procedure for searching for a element in a given list.
9. Explain about Circular Linked list and give its advantages over Singly Linked List.
10. Explain about the insertion and deletion of a node in a Binary Search Tree.
P.G.DIPLOMA EXAMINATION, MAY 2007.
Computer Applications
Paper V - OPERATING SYSTEMS Time: Three hours Maximum: 75 Marks
Answer any FIVE questions All Questions carry equal marks.
1. Elaborate on basic concepts of an operating system.
2. What do you mean by inter process communications (IPC) ? Explain the basic ways of implementing I.P.C.
3. Explain any three process scheduling algorithms.
4. Elucidate on design issues for paging system.
5. Discuss various methods of implementing files and directories.
6. Explain deadlock prevention measures.
7. How CPU scheduling is done in UNIX O/S.
8. Explain Bankers algorithms for avoiding deadlocks
9. Explain about swapping and swapping overheads.
10. Write short notes on the following
a) Beladys anomaly (b) Device drivers.
(PGDCA 06)
P.G.DIPLOMA EXAMINATION, MAY 2007.
Computer Application Paper VI - DATA BASE MANAGEMENT SYSTEMS
Time: Three hours Maximum: 75 Marks
Answer any FIVE questions All Questions carry equal marks.
1. Explain (a) DDL (b) DML (c) Data dependency
(d) Data Independency (e) Data Dictionary.
2. Explain about various Boycee Codd Rules
3. Write a short note on :
a) Primary Key b) Functional Dependency c) 2nd Normal Form
d) Foreign Keye) Transitive Dependency.
4. Explain about data Redundancy and explain the concept of Normalization, write about 1st and 2nd Normal forms.
5. Write about Hierarchical Data base.
6. What is ER model ? Explain about various symbols used in ER diagram.
7. Differentiate between Hierarchical and Network Database.
8. Define a Relation, degree of a Relation and Relational Schema.
9. Write about Data Base Operating and maintenance.
10. Explain about the database maintenance process.
(PGDCA 07)
P.G.DIPLOMA EXAMINATION, MAY 2007.
Computer Applications
Paper VII - ACCOUNTS AND FINANCE
Time: Three hours Maximum: 75 Marks
Answer any FIVE questions
1. Distinguish between journal and ledger. Explain with some examples
2. Correct the following Trail Balance (In Rs.)
|
Dr. |
In. Rs. |
Cr. |
In.Rs. |
|
Return outwards |
16,000 |
Debtors |
15,000 |
|
Opening stock |
34,200 |
Carriage outward |
5,000 |
|
Salaries |
12,000 |
Capital |
55,200 |
|
Creditors |
28,000 |
Machinery |
18,000 |
|
Bank |
45,000 |
Return inward |
3,000 |
|
Carriage inward |
6,000 |
Discount received |
4,000 |
|
Rent received |
3,000 |
Trade expenses |
6,000 |
|
Discount allowed |
2,000 |
Sales |
1,40,000 |
|
Purchases |
1,00,000 |
Building |
20,000 |
|
Bills payable |
20,000 | ||
|
2,66,200 |
2,66,200 |
3. In Cash book a journal on ledger ? What are different types of cash books ?
4. The following is trial balance of Mr.Bharat on 31st Dec, 2006.
Dr(Rs.)
Cr(Rs.)
4,000
5,200
5,000
260
4,800
1,200
4,570
40
650
15,000
1,400
21,350
Particulars
Capital
Sundry Creditors
Plant and Machinery
Office furniture and fittings
Stock as on 1st Jan, 2006
Motor van
Sundry debtors
Cash in hand
Cash at bank
Wages
Salaries
Purchases
Sales
Particulars Dr(Rs.) Cr(Rs.)
Bills payable 560
Bills receivables 720
Return inwards 930
Provision for doubtful debts 250
Drawings 700
Returns outwards 550
Rent 600
Factory lighting and heating 80
Insurance 630
General expenses 100
Bad debts 250
Discount 650 370
Total 58,930 58,930
The following adjustments are to be made:
(a) Stock on 31st Dec, 2006 Rs.5,200
(b) 3 months factory lighting and heating is due, but not paid Rs.30
(c) 5% depreciation written off on furniture
(d) Write off further bad debts Rs.70
(e) Provision for doubtful debts to be increased to Rs.300 and provisions for discount on debtors @2% to be made
(f) During year machinery was purchased for Rs.2,000 but it was debited to purchase a/c. Prepare Trading and Profit and Loss Account and Balance Sheet.
5. What do you mean by Bank reconciliation? Is it necessary ?
6. Give a detailed account of cost classification.
7. Describe the functions of finance and explain the nature of financial decision making
8. Discuss the objectives of Ratio Analysis
9. The Ratios relating to Cosmos Ltd are given as follows:
Gross Profit Ratio : 15%
Stock Velocity : 6 months Debtors Velocity : 3 months Creditors velocity : 3 months
Gross profit for year ending Dec 31st, 2006 amounts to Rs.6,00,000 closing stock is equal to opening stock.
Find out :
(a) Sales (b) Closing debtors (c) Sundry debtors (d) Sundry creditors
Describe the need and determinants of working capital.
10.
P.G.DIPLOMA EXAMINATION, MAY 2007.
Computer Applications
Paper VIII - GRAPHICS
Time: Three hours Maximum: 75 Marks
Answer any FIVE questions
1. Explain various graphic input and output devices
2. What is scan conversion? Write an algorithm for the scan conversion of a line.
3. Explain Bresenhauis algorithm for the scan conversion of a circle
4. Explain various two dimensional transformation along with the transformation matrices.
5. Explain window-to-viewport transformation.
6. Find the transformation matrix for finding image of an object in the line y=mx+c
7. Explain clipping. Write an algorithm for clipping a line.
8. Explain parallel projection. What are the differences between parallel and perspective projections.
9. Explain the differences between vector and raster graphics
10. Explain the display file structures
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