Free Web and Mobile Development MCQs with Answers

• A. volatile, temporary
• B. non volatile, permanent
• C. non volatile, temporary
• D. volatile, permanent

Explanation: RAM is volatile because its contents disappear when power is removed, and it is temporary because it holds data only while programs are…

• A. Input
• B. Scanning
• C. Software
• D. Output

Explanation: A monitor is an output device because it presents processed text, images, and video to the user.

• A. Much costlier than a single transistor
• B. A complicated circuit
• C. An integrating device
• D. Fabricated on a tiny silicon chip

Explanation: An integrated circuit contains electronic components fabricated together on a small semiconductor chip, usually silicon.

• A. delete text
• B. move the cursor in the text that has already been entered
• C. save the document
• D. move the cursor while deleting text

Explanation: Arrow keys move the cursor through text that has already been entered without deleting it.

• A. Bandwidth
• B. Bug
• C. Bus
• D. Bits

Explanation: Bandwidth is the range or capacity of frequencies available for carrying a signal, and it determines how much data a communication channel…

• A. ROM chips
• B. RAM chips
• C. PROM chips
• D. Micro processor

Explanation: A microprocessor is a processor implemented on a silicon chip and performs arithmetic, control, and data-processing operations.

• A. 255 characters
• B. 127 characters
• C. 63 characters
• D. 31 characters

Explanation: A complete DNS hostname may contain up to 255 characters or octets, although each individual label within it is limited to 63 characters.

• A. all UDP packets are treated independently by transport layer
• B. it sends data as a stream of related packets
• C. both A and B
• D. none of these

Explanation: UDP is connectionless because the transport layer handles each datagram independently without establishing a session or tracking a related…

• A. Web has led to availability of software services and possibility of developing highly distributed service based systems
• B. Web based systems have led to degradation of programming languages
• C. Web brings concept of software as service
• D. Web based system should be developed and delivered incrementally

Explanation: The Web expanded software services, distributed systems, and the software-as-a-service model; it did not degrade programming languages.

• A. should be unscalable
• B. must be able to cope with uncertain, random heavy demands on services
• C. must be secure
• D. are subject to assorted legal, social, and ethical scrutiny

Explanation: Web-based systems should be scalable so they can handle growth and varying loads.

• A. Availability
• B. Data driven
• C. Content sensitive
• D. Continuous evolution

Explanation: A content-sensitive WebApp is judged heavily by the quality, accuracy, and aesthetic presentation of its content.

• A. Loss of sense of locality and direction
• B. Cognitive overload for users
• C. All of the mentioned
• D. None of the mentioned

Explanation: Hypertext links can make users lose their sense of location and direction, while too many links can create cognitive overload.

• A. Collaborative work
• B. Online communities
• C. Web portals
• D. Workflow-oriented

Explanation: Discussion groups allow people with shared interests to communicate and exchange information, which characterizes an online community.

• A. Service oriented app
• B. Database access app
• C. Portal app
• D. Data warehousing app

Explanation: A data-warehousing WebApp presents information gathered by querying and analyzing large collections of databases.

• A. Content Analysis
• B. Interaction Analysis
• C. Functional Analysis
• D. All of the mentioned

Explanation: The web engineering analysis model examines content, user interaction, and the functions the WebApp must provide.

• A. Unpredictable load
• B. Performance
• C. Concurrency
• D. Network intensiveness

Explanation: Concurrency describes many users accessing a WebApp at the same time, requiring it to handle simultaneous requests.

• A. World Wide Web Consortium
• B. World Wide Web Collaboration
• C. World Wide Web Community
• D. None of the mentioned

Explanation: W3C expands to World Wide Web Consortium, the organization that develops and maintains many Web standards and recommendations.

• A. Informational
• B. Interactive
• C. Transaction-oriented
• D. Workflow-oriented

Explanation: Electronic shopping involves selecting products, placing orders, and completing payments, so it is transaction-oriented.

• A. Incremental Model
• B. Waterfall Model
• C. Spiral Model
• D. None of the mentioned

Explanation: The incremental model suits WebApps because features can be delivered in successive releases and adapted quickly to changing user needs.

• A. SaaS
• B. SOA
• C. Configurability
• D. Both SaaS and Configurability

Explanation: Software as a Service (SaaS) delivers application functionality from a provider's remote servers, usually through a web browser.