CS101 Final Term Solved Short Questions

Short and long quizes · from past papers · CS101 Introduction to Computing · Spring 2010

Q27. What is the difference between ‘single-line text input field’ and ‘password input field’ ? (2 marks)

Answer: A Password Field is good for sensitive information. The only item that is absolutely necessary is the Submit Button. It is a good idea to include a Reset Button for the convenience of the user. A text field gathers information using a single line of text. This field is useful for short answers. The default text field is blank. If you want to specify default text, use the VALUE attribute. .

Q28. What is internet? (2 marks)

Answer: Internet is also called WAN, which means the interconnection of large number of computer networks and it consists of millions of private, public, academic, business, and government networks of local to global scope that are linked by a broad array of electronic and optical networking technologies.

Q29. In JavaScript, what is event handling? What are the two types of events? (2 marks)

Answer: Event handling means capturing an event and responding to that. Events e.g. on MouseOver, OnClick, on Load, Onunload, updating the clock etc. are captured by the Java script & according to the programs they are responded accordingly

Q32. Differentiate between on Load and on Unload (3 marks)

Answer: On load event is used when the page is load in the browser while on the other side on Unload event works when the page closes down.

Q33. Elaborate Rester Graphics with examples. (3 marks)

Answer: Raster graphics are digital images created or captured (for example, by scanning in a photo) as a set of samples of a given space . A raster file is usually larger than a vector graphics image file. A raster file is usually difficult to modify without loss of information. Examples of raster image file types are: BMP, TIFF, GIF, and JPEG files.

Q34. What is a Relational Database? Give the names of any three RDBMS software. (2+3) (5 marks)

Answer: Database architecture consists of three levels, external, conceptual and internal. Clearly separating the three levels was a major feature of the relational database.

NAMES:

Oracle Database software, Linux, and oracle e business database software , and Oracle OLAP.

Q36. What do you mean by the term 'Telepresence' in Computing World? (5 marks)

Telepresence

• Being there, without physically being there!
• Two remotely located people, with the help of special equipment, immersed in a

simulated 3-D environment where they interact like they are sitting next to each other

• Chatting, a telephone conversation, or even a videoconference are examples, but in

a degraded sense of the idea

Spring 2010

Q27. What is a function? Give one example. (2 marks)

Answer: Function is a reusable code (group of statement) that is executed when the function is called. It is also known as subprogram. Function is normally defined in the head section of the code.

Q28. What is an intelligent system? (2 marks)

Answer: Intelligent systems are the programs developed to perform complicated jobs that reflect human brain and thoughts. If the algorithms are too much complex or can not be solved instantly then we can use such systems. Therefore the well intelligent system not only performs well but it has the capability to rectify any errors by himself if it occurs within his domain. The examples of intelligent systems are Robotics, Business Intelligence …etc.

Q29. What is meant by semantic error ? (2 marks)

Answer: It is an error which a developer encounters when a statement is executed but it was not intended by him (the developer). Such errors are very difficult to locate during testing. Mostly these occur during abnormal circumstances. It may be referred as the logical error.

Q30. What is best algorithm? (2 marks)

Answer: Greedy algorithm is the best algorithm as it is n algorithm that always takes the best immediate, or local solution while finding an answer.

Q32. What are the Sub categories of Artificial Intelligence? Briefly explain any two. (3 marks)

1. Robotics

These are the machines which are computer programmed and perform work which was previously done by humans. They can be found in the manufacturing industry, the military, space exploration and medical applications.

2. Expert Systems

These systems are designed to replace an expert. The medical expert system is an example of such system which can replace a Doctor/medical expert.

Q33. What are the steps of working of TCP and IP protocols in internet transmission? (3 marks)

Answer: TCP divide messages in to many packets (capsulation) and sent these messages over the internet and IP route these messages on the internet to the correct destination and upon reaching the messages on its destination the messages are encapsulated.

Q34. What is ARPANET and who developed it? (5 marks)

Answer: ARPANET stands for Advanced Research Projects. The initial purpose was to communicate with and share computer resources among mainly scientific users at the connected institutions. In the beginning it was connected four universities and enabled scientists to share resources. It was headed by Dr. J.C.R. Licklider.

Q35. Define professional ethics and its benefits with an example? (5 marks)

Professional Ethics

• Professional ethics are a category of ethics, and here we discus the professional

ethics relevant to computing

• Awareness of professional ethics is gaining importance with time as the decisionmaking

process in the work place keeps on increasing in complexity

• The professional ethics provide a way of simplifying that decision making process

Let us now discuss a few situations where I will request you for your ethical opinions

Q36. Write JavaScript code for the following: (5 marks)

Make a function compareWithTen(value)

Compare the function argument with ‘10’ and display a message whether the value is less than, equal to or greater than 10.

Spring 2010

Q27. What are application softwares? List down the names of three application softwares. (2 marks)

Answer: Definition: Application Software are that software then can interact directory with the user for performance of respective type of work.