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Solved MCQ on Stack and Queue in Data Structure set-1

1) ......... form of access is used to add and remove nodes from a queue. A. LIFO, Last In First Out B. FIFO, First In First Out C. Both a and b D. None of these 2) In liked representation of stack ....... holds the elements of the stack. A. INFO fields B. TOP fields C. LINK fields D. NULL fields 3) ........ form of access is used to add remove nodes from a stack. A. LIFO B. FIFO C. Both A and B D. None of these 4) In the linked representation of the stack ......... behaves as the top pointer variable of stack. A. Stop pointer B. Begin pointer C. Start pointer D. Avail pointer 5) New nodes are added to the ......... of the queue. A. Front B. Back C. Middle D. Both A and B 6) In linked representation of stack the null pointer of the last node in the list signals .......... A. Beginning of the stack B. Bottom of the stack C. Middle of the stack D. In between some value 7) What happens when you push a new node onto a stack? A. The new node is placed at the front of the linked list B. The ...
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Solved MCQ of E-Commerce and E-Banking Set-1

1. The term e-commerce includes ............................ A) Electronic trading of Physical goods and intangibles such as information. B) The electronic provision of services such as after sales support or online legal advice C) All the steps involved in trade, such as on-line marketing ordering payment and support for delivery. D) All of the above. 2. Which of the following is the largest community in classification of e-commerce? A) Business to Business (B to B) B) Business to Consumer (B to C) C) Business to Government (B to G) D) Government to Government (G to G) 3. Which of the following is not the example of business to consumer (B to C) e-commerce? A) Amazon.com B) e-bay.com C) dell.com D) lastminute.com 4. The types of Business to Business e-commerce are ................ A) Direct selling and support to Business B) Industry portals C) Information sites about a industry D) All of the above 5. Which of the following are the benefits of E-marketing? i) Speed   ...
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What is Operating System?

      An Operating System is a program that controls the execution of application programs and acts as an interface between the user of a computer and the computer hardware. In other words “The software that controls the hardware”. Some examples of operating systems are UNIX, Mach, MS-Dos, Ms-windows, Windows/NT, OS/2, MacOS, VMS, MUS and VM.      An Operating system exploits the hardware resources of one or more processors to provide a set of services to system users. The operating system also manages secondary memory and I/O devices on behalf of its users. Controlling the computer involves software at several levels. We will differentiate kernel services, library services, and application-level services, all of which are part of operating system. Process run Application, which are linked together with libraries perform standard services. The kernel supports the processes by providing a path to the peripheral devises. The kernel re...
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