Question Discussion & Solution

• COCOMO prescribes a three stages process for project estimation
• In the first stage, an initial estimate is arrived at; Over the next two stages, the initial estimate is refined to arrive at a more accurate estimate
• COCOMO uses both single and multivariable estimation models at different stages of estimation
• The three stages of COCOMO estimation technique are basic COCOMO, intermediate COCOMO, and complete COCOMO

Note:

COCOMO stands for Constructive Cost Estimation Model.

The correct answer is Uttar Pradesh.

Key Points

• Uttar Pradesh
  • Uttar Pradesh is the most populous state in India, with 199,581,477 people as of 1 March 2011. Hence, Option 4 is correct.
  • The state contributes 16.16 percent of India's population
  • The population density is 828 people per square kilometer, making it one of the most densely populated states in the country
  • The sex ratio in 2011 was 908 women to 1000 men, lower than the national figure of 933
  • Estimates released by the Planning Commission for the year 2009-10 revealed that Uttar Pradesh had 59 million people below the poverty line, the most for any state in India
  • Hindi is the official language as well as the mother tongue of many in the state.
  • Urdu, additionally an official state language, is primarily spoken by Muslims.

Additional Information

• Largest State in India by Population

• S. No.	State Name	Population (As per Census 2011)
  1	Uttar Pradesh	199,812,341
  2	Maharashtra	112,374,333
  3	Bihar	104,099,452
  4	West Bengal	91,276,115
  5	Andhra Pradesh	84,580,777
  6	Madhya Pradesh	72,626,809
  7	Tamil Nadu	72,147,030
  8	Rajasthan	68,548,437
  9	Karnataka	61,095,297
  10	Gujarat	60,439,692

Map of India Population Density:

The correct answer is Single-User Operating System.

Important Points

• Single-User Operating System
  • Performs a single task for Single-user.
  • This operating system is designed to manage the computer so that one user can effectively do one thing at a time.
  • Examples include Microsoft Windows.

Additional Information

• The different types of Operating System:
• Batch Operating System
  • There is no direct communication between the computer and the OS.
  • There is an intermediate, the Operator.
  • The operator distributes the work into batches.
• Real-Time Operating System
  • The processing time is very small between the user’s command and the output such that there is no operator.
• Time-Sharing Operating System
  • Multiple people at various computers can use a program at the same time.
• Distributed Operating System
  • When two or more systems are connected to each other and one can open each other's files.
• Embedded Operating System
  • These special Operating systems are built into larger systems.
  • They are limited to single specific functions like an ATM.
• Network Operating System
  • They have one main server which is connected to other client servers.
  • It provides a secure operating system for working with multiple users.

Hence, there is one such digit.