BCA1010/IMC1010 - FUNDAMENTALS OF IT AND PROGRAMMING

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(FALL 2014) ASSIGNMENT

PROGRAM	BCA (Revised Fall 2012)
SEMESTER	1
SUBJECT CODE & NAME	BCA1010/IMC1010 - FUNDAMENTALS OF IT AND PROGRAMMING
CREDIT	2
BK ID	B1475
MAX.MARKS	60

Note: Answer all questions. Kindly note that answers for 10 marks questions should be approximately of 400 words. Each question is followed by evaluation scheme.

1. Write a note on the following

a) Optical Character Readers (OCR)

Answer : OCR (optical character recognition) is the recognition of printed or written text characters by a computer. This involves photoscanning of the text character-by-character, analysis of the scanned-in image, and then translation of the character image into character codes, such as ASCII, commonly used in data processing.

In OCR processing, the scanned-in image or bitmap is analyzed for light and dark areas in order to identify each alphabetic letter or numeric digit. When a character is recognized, it is converted into an ASCII code. Special circuit boards and

b) Magnetic Ink Character Reader (MICR)

Answer : MICR (magnetic ink character recognition) is a technology used to verify the legitimacy or originality of paper documents, especially checks.

MICR (magnetic ink character recognition) is a technology used to verify the legitimacy or originality of paper documents, especially checks. Special ink, which is sensitive to magnetic fields, is used in the printing of certain characters

2. Explain the two types of terminals used with mainframe systems?

Answer : Dumb Terminals

There are various conflicting definitions of "dumb terminal" but as time goes by, more and more terminals are called dumb. This document mainly covers text terminals which display only text on the screen. It could have been titled "Dumb-Terminal-HOWTO". But in some magazines articles, any terminal, no matter how smart, including ones which present a full graphical user interface (GUI), are called dumb. If all terminals are "dumb" then there is no point of prefixing the word "dumb" to terminal (except as a sales pitch to

3. What is the function of the following

 a) Application software

Answer : Application software can be used as a productivity/business tool; to assist with graphics and multimedia projects. Through this, one is able to design and create multimedia video clips for both presentations and entertainment.

- A personal information manager (PIM) software includes an appointment calendar to schedule activities, an address

 b) Programming software

Answer : Software functions are an integral part of the program. Programs and their relationships to the program must be well designed in order for the program to be well organized and maintainable.

·         The function name should help indicate the function purpose.

·         Functions should perform only one task.

·         Functions should be as short as possible.

·         Functions should control changes to internal data by restricting access.

·         Each function must have an initial comment. Initial comments in the program should make the algorithm used in the function obvious. The initial comment should explain:

o   What its

 4. List any five characteristics of an object-oriented design (OOD).

Answer : Object –oriented design:

Object-oriented design is the process of planning a system of interacting objects for the purpose of solving a software problem. It is one approach to software design. An object contains encapsulated data and procedures grouped together to represent an entity. The 'object interface', how the object can be interacted with, is also defined.

Object-oriented concepts:

The five basic concepts of object

 5. List the five major activities of an operating system in regard to process management.

Answer : Process Management

The operating system manages many kinds of activities ranging from user programs to system programs like printer spooler, name servers, file server etc. Each of these activities is encapsulated in a process. A process includes the complete execution context (code, data, PC, registers, OS resources in use etc.).

It is important to note that a process is not a program. A process is only ONE instant of a program in execution. There are many processes can be running the same program. The five major activities of an operating system in regard to process management are:

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