Bsc Csit 7 Sem Demo Quiz

The correct answer is "Three" because the question is asking about the number of types of "cos". However, without further context or clarification, it is unclear what "cos" refers to. It could potentially be referring to different types of cosine functions (e.g., cosine, hyperbolic cosine, inverse cosine), different types of cosmetic products, or something else entirely. Without more information, it is difficult to provide a definitive explanation.

Computer SOAP is a format for sending messages, designed to communicate over the internet. It is also an independent platform. Therefore, the correct answer is "all of these" as SOAP encompasses all these aspects.

Java is considered to be an object-oriented language because it supports the principles of encapsulation, inheritance, and polymorphism. It allows developers to create modular and reusable code by organizing it into classes and objects. Additionally, Java is also interpreted, meaning that it is compiled into bytecode and then executed by a Java Virtual Machine (JVM) rather than being directly executed by the computer's hardware. This allows for platform independence and the ability to run Java programs on any device or operating system that has a compatible JVM.

Cost-benefit analysis is a process used to assess the economic viability of a project or decision by comparing the costs involved with the benefits expected to be gained. It involves quantifying and comparing both the tangible and intangible costs and benefits associated with a particular action. Therefore, "Economic assessment" is an appropriate term to describe cost-benefit analysis as it highlights the focus on evaluating the economic aspects of a decision or project.

Java programs are platform independent, meaning they can run on any operating system or platform that has a Java Virtual Machine (JVM) installed. This is because Java code is compiled into bytecode, which can be interpreted by the JVM. Therefore, Java programs can be written once and run anywhere, making them highly portable. This is one of the key advantages of using Java for developing software applications.

The command "javac" is used to compile a Java program. Compilation is the process of translating the human-readable source code into machine-readable bytecode that can be executed by the Java Virtual Machine (JVM). The "javac" command checks the syntax and semantics of the source code and generates the corresponding bytecode file (.class) if there are no errors. This bytecode can then be executed by the JVM using the "java" command.

The computer jargon "wwww" stands for "world wide web worm". The term "world wide web" refers to the system of interconnected hypertext documents accessed via the internet. A "worm" is a type of malicious software that replicates itself and spreads to other computers. Therefore, "world wide web worm" would indicate a malicious software specifically targeting the world wide web.

The goal of project management is to ensure the successful completion of a project within the defined constraints. This includes keeping overall costs within budget, delivering the software to a well-functioning development team, and maintaining a happy and well-functioning development team. However, avoiding customer complaints is not a project management goal, as it is not possible to completely eliminate customer complaints in any project. The focus of project management is on managing and addressing customer concerns and expectations, rather than avoiding complaints altogether.

Baidu is the correct answer because it is the most popular search engine in China. While Yahoo, Google, and Bing are widely used search engines in many countries, Baidu dominates the Chinese market with a significant market share. It offers search services in Chinese language and is tailored to cater to the specific needs and preferences of Chinese internet users. Baidu also provides various other services like maps, news, and online encyclopedia, making it a comprehensive platform for Chinese internet users.

The correct answer is "Project management lifecycle" because it refers to the process that managers follow from the initiation to the closure of a project. It includes various stages such as planning, execution, monitoring, and controlling. This term encompasses all the activities and tasks involved in managing a project effectively, ensuring its successful completion within the given constraints of time, cost, and quality.

A foreign key is an attribute that appears as a non-key attribute in one relation and as a primary key attribute in another relation. It establishes a relationship between two tables by referencing the primary key of one table in the other table. This allows for the enforcement of referential integrity and ensures that the values in the foreign key attribute correspond to existing values in the referenced table's primary key attribute.

In general, query parameters in a URL are written after the question mark symbol. This allows for passing additional information or data to the server when making a request. The other symbols mentioned (comma, colon, and ampersand) are not typically used to separate or denote query parameters in a URL. Therefore, the correct answer is the question mark.

A weak entity is an entity that depends on another entity for its existence. It does not have a key attribute of its own and cannot be identified without an owner entity. Therefore, the statement "Can be identified without an owner entity" is not true for a weak entity.

DHCP (Dynamic Host Configuration Protocol) is a network management protocol that automatically assigns IP addresses to devices connected to a network. When a client connects to the internet, DHCP assigns a unique IP address to that client, allowing it to communicate with other devices on the network. Therefore, DHCP is the correct answer as it is the protocol responsible for assigning IP addresses to clients connected in the internet.

Java has its origin in the OAK programming language. OAK was developed by James Gosling, Patrick Naughton, and Mike Sheridan at Sun Microsystems in the early 1990s. However, OAK was later renamed as Java due to trademark issues. Java was designed to be a simple, platform-independent programming language that could run on any device or operating system. It incorporated features from other programming languages like C and C++, but its syntax and design were heavily influenced by OAK.

The question is asking for the collection object type that is not part of ODL (Object Definition Language). ODL is a language used to define and describe the structure of objects in an object-oriented database. "Group" is not a valid collection object type in ODL, whereas "set", "Bag", and "List" are valid collection object types.

The correct answer is the third option, "Create table student (roll int(3) Not Null, name char(20), address char(30) default 'ktm' , primary key(roll));". This is because it correctly defines the table "student" with the specified columns and their data types. It also sets the "roll" column as the primary key and sets a default value of 'ktm' for the "address" column.

Testing is not considered as a risk in project management because it is an essential part of the project development process. Testing helps to identify and rectify any defects or issues in the project before its final implementation. It ensures that the project meets the required quality standards and specifications. While testing may have its own challenges and complexities, it is not considered a risk in project management as it is a planned and controlled activity that contributes to the overall success of the project.

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Java servlet is an efficient and powerful solution for creating dynamic content for the web. Servlets are Java classes that run on a web server and generate dynamic web pages. They can dynamically process user requests, interact with databases, and generate dynamic content based on user input or other factors. This makes them a suitable choice for creating web applications that require dynamic functionality, such as online shopping sites, social media platforms, or content management systems.