A computer is an electronic device that can receive a set of instructions or program and the carry out this program by performing calculations on numerical data or by compiling and correlating other forms of information. ("Computer" Encarta). It also performs calculations and processes information with astonishing speed and precision. Computer Technology has improved our lives. It will continue to affect our future which will lead to an easier‚ less complicated lifestyle‚ with more job opportunities
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TYPES OF COMPUTER NETWORKS: A computer networks is a communication system connecting two or more computers that work together to exchange information & share resources. A network may consist of microcomputers or it may integrate microcomputers or other devices with large computer. Networks can be controlled by all nodes co-ordinarily & supply all resource. These networks differ in geographical size. There are three important types of networks. 1. Local Area Network 2. Metropolitan Area
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Question 1 ------------------------------------------------- When selecting a printer‚ what should you consider? ------------------------------------------------- Answer | | resolution (dots per inch) | | | speed | | | initial cost and cost of operation | | | all of the above | 1 points Question 2 ------------------------------------------------- System software refers to ------------------------------------------------- Answer | | application programs | |
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education *1943050649* INFORMATION AND COMMUNICATION TECHNOLOGY Paper 2 Practical Test 0417/21 May/June 2011 2 hours 30 minutes Additional Materials: Candidate Source Files READ THESE INSTRUCTIONS FIRST Make sure that your Centre number‚ candidate number and name are written at the top of this page and are clearly visible on every printout‚ before it is sent to the printer. Printouts
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Diagram of Network Installation 4 Equiptment Needed for Network Installation 5 Network Topology 7 Specification of Laptops 9 Specification of Computers 10 Specifications of Speakers 12 Hard Drive Locations 11 Specification of File and Mail Servers 14 Full Software Specification 19 Buisness Internet Access Provider 23 802.11 Standard 24 Complete Project Costing 26 Summary 27 Conclusion 27 Glossary of Terms 28 Reference List 31 Introduction A network is defined
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standard for interpreting text images and other material into webpages The ability to use the computer to gather information or data transmits and receives program instructions and data to other components Object orientated programming language‚ embedded language by an HTML simple and familiar‚ secure and robust‚ and executes with high performance Connects hardware and software‚ oversees all OS operations‚ computers "heart" Live editing performs repetitive task in Word every visual basic program must contain
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Assignment (3 of Grade) APUS/Kageorgis Lesson 2 Review Wide Area Networks The purpose of this activity is to reinforce what you have learned so far about local area networks technologies. What is a T1 circuit (Word count 15-25) ____________________________________________________________________________________________________________________________________________________________ A statistical multiplexer provides each user with (Word count 15-25) ______________________________________________________________________________
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3.1.3 Computer Network Topologies Network Topology is a network specification that determines the network arrangement‚ connecting the senders and receivers through lines of connection. Topologies are of both physical and logical aspect of the network. The physical topology describes the network’s physical wiring layout or shape. The logical topology describes the path through which the data moves. Both logical and physical topologies could be same or different in a same network. The physical and
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Security 4th Edition Questions Chapter 6 Questions 1. What is the typical relationship among the untrusted network‚ the firewall‚ and the trusted network? The relationship is that data is only limited to what firewalls allow via specific places called “ports”. There is the untrusted network on the outside‚ then the firewall which prevents unwanted or suspicious connections‚ and the trusted network is what lies within the bounds of the firewall. 2. What is the relationship between a TCP and UDP packet
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SUMIT V. TIRLOTKAR. 56 Case study submitted in Second year for the degree of BACHELOR OF SCIENCE Branch: INFORMATION TECHNOLOGY Of University of Mumbai [pic] UNIVERSITY DEPARTMENT OF INFORMATION TECHNOLOGY UNIVERSITY OF MUMBAI VIDYANAGARI‚ SANTACRUZ (E)‚ MUMBAI-400 098. ROAMWARE “CASE STUDY” Bonafide Record of work done by Name: -
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