Q. What are the main differences between OSI and TCP/ IP reference models? Explain briefly. Ans: We will be focusing only on the key differences between the two references models. Three concepts are central to OSI model: services, interfaces and protocols. OSI model makes the clear distinction between these three concepts. The TCP/ IP model…
Q. Define the terms internet, intranet and extranet Internet: The Internet, an umbrella term covering countless network and services that comprise a super-network, is a global network of computer networks that was initiated in the 1960ΓÇÖs by a team of scientists under a US government research contract. The Internet now provides access EC transactions to…
Q. Describe in brief the history of E-Commerce. History of E-commerce. E-commerce began before personal computers were prevalent and has grown into a multibillion dollar industry. By looking at the evolution of e-commerce, it will be easier to judge its trends for the future. 1984 EDI, or electronic data interchange, was standardized through ASC X12….
Q. Discuss the process of data mining? What are the advantages of data mining. The process of data mining consists of three stages: (1)The initial exploration (2) Model building or pattern identification with validation/verification, (3) Deployment (i.e., the application of the model to new data in order to generate predictions). Stage 1: Exploration. This stage…
Q. Define e-commerce? What are the benefits of using e-commerce? The term ΓÇÿelectronic commerceΓÇÖ has evolved from electronic shopping, to imply all aspects of business and market processes enabled by the Internet and World Wide Web technologies. According to Philip Kotler : E-commerce can be defined as a general term for buying and selling process…
Q.31 The main function of a browser is to (A) compile HTML (B) interpret HTML (C) de-compile HTML (D) interpret CGI programs Ans: B The main function of a browser is to interpret HTML. Q.32 Which of the following is associated with SNMP (A) SMI (B) BER (C) DNS (D) MIB Ans: D MIB is…
Q.16 Parent class of all Java classes is (A) java.lang.system (B) java.lang.object (C) java.lang.class (D) java.lang.reflect.object Ans: B Parent class of all Java classes is java.lang.object. Q.17 Exceptions of type error in JAVA are handled by (A) User program (B) Java run time environment (C) Operating system kernel (D) Interrupt Ans: B Exceptions of type…
Q.1 A header in CGI script can speci fy (A) format of the document . (B) new locat ion of the document . (C) (A) & (B) both. (D) start of the document . Ans: A A header in CGI scr ipt can specify- Format of the document & New location of the document ….
Q.1 Which of the following is not an scripting language ? (A) HTML (B) XML (C) Postscript (D) Javascript Ans: C Postscript Q.2 Which of the following is a platform free language (A) Fortran (B) Assembly (C) C (D) Java Ans: D Java Q.3 A digital signature is (A) scanned signature (B) signature in binary…
Question:1 Number of bits per symbol used in Baudot code is a. 7 b. 5 c. 8 d. 9 Question 2: What is the main difference between DDCMP and SDLC? a. DDCMP does not need special hardware to final the beginning of a message b. DDCMP has a message header c. SDLC has a…