Explain the following in the context of Internet and its applications.
(i) Security threats on Internet
(ii) E-learning processes

You want to find about the Universities that offer Programmes in Computer Science and Information Technology but does not offer programmes in Medical Science. Make efficient query or queries that will show the desired result as above. Also explain the activities performed by a search engine.

A new company which supplies food packets in a locality has to set up a network in its sales office employing 10 parallel ordering stations. It has a large number of person who supplies the food packet at the destination (maximum distance 2 kms from the office). What kind of network the company should make for its sales office? Justify your answer.

Explain the following terms in the context of computer networks:
i) Message switching     ii) Simplex transmission 
iii) Optical Fiber            iv) Radio wave transmission.

List which of the software will be required for the following situation. Explain the steps that are needed to be performed in order to solve the situation in question. (i) You need to send invitation to about 200 students for a workshop. (ii) A software project has to be managed such that there is no delay. (iii)Student data and their marks are to be stored such that any query may be made on the data easily. (iv) You need to show the visual form of data about the progress of an organisation.

Explain the purpose of each segment marked
(i) to (vi) of the following program. What this program will do? (i) int i; int marks[20];
(ii) for (i=0; i<20; i++) {
(iii) printf (“Enter the number”); scanf (“%d”, &marks [i];
(iv)if (marks[i] < 40) printf("Not Successful");
(v) if (marks[i] >= 40) && (marks[i] < 60)) printf("Passed in Second Division);
(vi)if (marks[i] >= 60 printf("Passed in First Division); }

Differentiate between the following.

(i) Kernel of an Operating system and Non-resident portion of Operating system
(ii) Command line interface and Graphical user interface of Operating system
(iii)Multiprogramming and Multitasking (iv) Computer Virus and Computer Worms

Explain the features and uses of the following in the context of computer software and programming: (i) Assembler      (ii) Interpreter
(iii)Subroutine    (iv)Function 

What is a file and directory in the context of a computer? What are the activities involved in the file management? Explain how file management is different than the Memory Management.

Explain the Internet Based Software Architecture with the help of a block diagram. How is this architecture different than that of 3-tier client server architecture? Explain

(i) Inkjet printer       (ii) Power Connecter
(iii)Video Card         (iv)Magnetic Stripe Reader

(i) SRAM and DRAM      (ii) USB and Serial Port
(iii)Joystick and Mouse    (iv)Projection displays and LED display

(i) Decimal 198.25 into binary and hexadecimal
(ii) Decimal 444566 into binary and hexadecimal
(iii) String “Maximum Limit 500%" to ASCII and Unicode string
(iv) Hexadecimal ABCDEF to decimal and binary

(i) Control Unit                 (ii) Arithmetic Logic Unit
(iii)Ports and Connectors  (iv) Motherboard