What is the meaning of computer organization?

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asked Mar 10, 2018 by anonymous

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asked Mar 10, 2018 by anonymous

What is better computer engineering or software engineering?

Last answer: Computer Engineering have many parts in which one is software engineering, if your interest in software development then choose software engineering

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What is difference between computer engineering and computer science?

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What computer engineering is all about?

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asked May 8, 2018 by anonymous

The process of a computer receiving information from a server via Internet is known as:

The process of a computer receiving information from a server via Internet is known as: (A) Uploading (B) Retrieving (C) Downloading (D) All of the above

Last answer: The process of a computer receiving information from a server via Internet is known as: Downloading

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asked Jan 8 by anonymous

Enlist different types of computer networks on the basis of their geography.

Last answer: Classification of networks based on geography LAN - Local Area Network MAN - Metropolitan Area Network WAN - Wide Area Network CAN - Campus Area Network PAN - Personal Area Network

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asked Jan 8 by anonymous

Enlist the components of computer network. Describe any one in brief.

Last answer: The components of computer network are: Hub Router Modem Bridge Switches Network Interface Card Cables and connectors Crimping tool LAN tester Explanation ... into analog format so that it can be transferred by using currently available infrastructure.

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asked Jan 8 by anonymous

Explain four features of computer networks.

Last answer: A computer network is interconnection of two or more computers connected to each other so that they can exchange information such as e-mail, messages or documents, or share resources such as disk storage or printer. ... Digital Network (ISDN). 4. Cable TV. 5. Digital Subscriber Line (DSL).

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asked Jan 7 by anonymous

Write in brief any two roles of network control devices in computer network.

Last answer: Two roles of network control devices in computer: Role of repeater: Generates the original signal. Operates in the physical layer. Role of Bridges: Bridges utilize the address ... Role of Gateways: Gateways provide translation services between incompatible networks and works in all layers.

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asked Jan 8 by anonymous

State the need for computer networks.

Last answer: Need for computer network: File/Folder Sharing Hardware Sharing (Resource sharing) Application sharing User Communication (Email, Remote Access)

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asked Sep 28, 2018 by anonymous

The first digital electronic computer was built in the year________

The first digital electronic computer was built in the year________ A. 1950 B. 1960 C. 1940 D. 1930

Last answer: The first digital electronic computer was built in the year 1940

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asked May 8, 2018 by anonymous

A 17 inch personal computer uses approximately 150 watts in an hour. If you have same

A 17 inch personal computer uses approximately 150 watts in an hour. If you have same computer on for only 4 minutes (for checking e-mail) what would be the power consumption? (A) 0.1 kW (B) 0.04 kW (C) 0.01 kW (D) None of the above

Last answer: A 17 inch personal computer uses approximately 150 watts in an hour. If you have same computer on for only 4 minutes (for checking e-mail) what would be the power consumption? (A) 0.1 kW (B) 0.04 kW (C) 0.01 kW (D) None of the above

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asked Mar 10, 2018 by anonymous

Which subjects are there in computer engineering?

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asked Mar 10, 2018 by anonymous

Can power surge damage your computer?

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asked Jan 8 by anonymous

It is desired to connect five computers that are joined at a single point called central node. i) Draw the setup. ii) Name the topology. iii) State two advantages and disadvantages of this topology.

Last answer: i. Setup: ii. Name of topology: Star topology iii. Advantages of Star Topology 1) As compared to Bus topology it gives far much better performance, signals don't necessarily get ... as well number of nodes which can be added in such topology is depended on capacity of central device.

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asked Jan 8 by anonymous

Explain the architecture of Bluetooth technology with suitable diagram.

Last answer: Bluetooth is short range wireless technology. Range of Bluetooth is 10 meters. Bluetooth Architecture defines 2 types of networks. 1)Piconet 2)Scatternet Piconet: - It is a Bluetooth network that ... . This node is called bridge slave. This node cannot be the master of two piconets.

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asked Jan 8 by anonymous

State the functions of i. Repeater ii. Switch iii. Gateway iv. Bridges

Last answer: i) Repeater: Repeaters are used to take the distorted, weak and corrupt input signal and regenerate this signal at its output. It ensures that the signals are not distorted or weak before it ... and decides whether to forward or discard it. It sends packets between two networks of same type.

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asked Jan 8 by anonymous

Give the name of protocols used by different layers of TCP/IP. Discuss the function of ARP and RARP.

Last answer: TCP/IP Model contains following layer. 1) Host-to-Network Layer - It defines characteristics of transmission media. It also concern with delivery of data when two systems are attached to same network ... such broadcasts are not forwarded by routers, so a RARP server is needed on each network.

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asked Jan 8 by anonymous

Explain the function of each layer of OSI reference model with neat diagram.

Last answer: OSI model (open system interconnection) model was developed by ISO (international standard organization) Function of OSI model: i. It provides way to understand how internetwork operates. ... Network virtual terminal file transfer access and management mail services and directory services

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asked Jan 8 by anonymous

Write the name of layers that perform the following functions in OSI : I. Data Encryption II. Error Correction III. File Transfer IV. Data Encoding

Last answer: 1. Data Encryption-Presentation Layer 2. Error Correction-Data link layer and Transport layer 3. File Transfer-Application layer 4. Data Encoding-Presentation layer

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asked Jan 8 by anonymous

Discuss the role of the HUB. Differentiate between Active Hub and Passive Hub.

Last answer: HUB: Hub is a connecting device; it is also known as multiport repeater. It is normally used for connecting stations in a physical star topology All networks require a central location to bring media segments ... . They are much expensive than passive hubs. 4. They are not much expensive.

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asked Jan 7 by anonymous

Define protocol. Give the name of any two protocols.

Last answer: Define protocol: There are certain rules that must be followed to ensure proper communication & a set of such rules is known as protocol. Example: UDP, TCP/IP, SMTP, HTTP, SSL, FTP etc

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asked Jan 7 by anonymous

Define Server. Give the name of any two types of Server.

Last answer: Definition of server: The central computer which is more powerful than the clients & which allows the clients to access its software & database is called as the server. Types of server: 1. File server 2. Print Sever 3. Application server 4. Message server 5. Database server

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asked Jan 8 by anonymous

In star topology which device is preferable as a star device between switch and hub? Justify.

Last answer: Switch in star Topology: Switch is used as a central device to connect different nodes in star topology. Switch is an intelligent device. When switch receives a data packet it reads destination ... whose destination address matches with the address contained in the data packet. Diagram:

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4 views 1 answer

asked Jan 8 by anonymous

Why layered architecture is used in OSI reference model? Discuss.

Last answer: The OSI reference model is as shown in the figure.There are seven layers in the model. Physical layer, Data link layer, Network layer, Transport layer, Session layer, Presentation layer, ... the entire package is converted to a form that can be transferred to the receiving machine.

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asked Jan 8 by anonymous

State four features of Wi-Fi.

Last answer: Wi-Fi 1. Wi-Fi stands for wireless fidelity. 2. Wi-Fi typically provides local network access for around a few hundred feet with speeds of up to 54 Mbps. 3. Wi-Fi based on IEEE 802.11 standards. 4. High Capacity Load Balancing 5. Scalability 6. Network Management System

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asked Jan 8 by anonymous

Give two features of IPv6.

Last answer: Two features of IPv6 are: An IPv6 address consists of 16 bytes (octets) It is 128 bits long. IPv6 specifies hexadecimal colon notation. Therefore, the address consists of 32 hexadecimal ... multicast. In an IPv6 address, the variable type prefix field defines the address type or purpose.

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asked Jan 8 by anonymous

State two advantages of Mesh topology.

Last answer: Network Topology refers to layout of a network. Network topology specifically refers to the physical layout of the network especially the locations of the computers & how the cable is run ... to Point Connection: Point-to-point links make fault identification and fault isolation easy.

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asked Jan 8 by anonymous

State features of any one network control devices.

Last answer: A hardware device that are used to connect computers, printers, fax machine and other electronic devices to a network are called network devices. These devices transfer data in a fast, ... transforms incoming analog signals into their digital equivalents. A two way communication is established.

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asked Jan 8 by anonymous

Enlist different types of servers.

Last answer: Different types of servers are: Definition of server: The central computer which is more powerful than the clients which allows the clients to access its software, database is called as the server. Types of server: 1. File server 2. Print server 3. Application server 4. Mail server

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3 views 1 answer

asked Jan 8 by anonymous

Explain different modes of fibre optic cable.

Last answer: Current technology supports two modes for propagating light along optical channels. 1. Multimode. 2. Single mode. Multimode can be implemented in two form: 1. Step ... All the beams arrive at the destination together and can be recombined with little distortion to the signal.

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5 views 1 answer

asked Jan 8 by anonymous

Explain infrared communication. List any two disadvantages of infrared communication.

Last answer: Infrared communication (IR) is an example of wireless communication. However, it is limited to very simple applications & suffers from several disadvantages, mainly very small bandwidth & distances ... areas require multiple emitter panels, which will increase the cost of the system.

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asked Jan 7 by anonymous

List different classes of IP Address.

Last answer: Different classes of IP address. Class A Class B Class C Class D Class E

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asked Jan 7 by anonymous

Give any two disadvantages of unshielded twisted pair cable.

Last answer: Disadvantages of unshielded twisted pair cable. 1. Highly prone to crosstalk. 2. Unable to provide secured transmission of data.

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10 views 1 answer

asked Jan 7 by anonymous

List any two disadvantages of bus topology.

Last answer: Disadvantages of bus topology. 1. Heavy network traffic slows down the bus speed .In bus topology only one computer can transmit & other have to wait till their turn comes & there ... connectors will cause reflections & bring down the whole network causing all network activity to stop.

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10 views 1 answer

asked Jan 7 by anonymous

Define LAN. Write any two disadvantages of LAN.

Last answer: Definition of LAN: LAN is a network which is designed to operate over a small physical area such as an office, factory or a group of buildings. Disadvantages: 1. Power - a good LAN is required ... - if all computers running at once, can reduce speed for each. 6. Area covered is limited.

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10 views 1 answer

asked Jan 8 by anonymous

State the reason for keeping uplink and downlink frequency different in satellite communication.

Last answer: Uplink frequency is used for transmission of signals from earth station transmitter to satellite. Downlink frequency is used for transmission of signals from satellite to earth station receiver. ... the same antenna to be used for both receiving and transmitting simplifying satellite hardware.

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5 views 1 answer

asked Jan 8 by anonymous

Explain connectionless and connection oriented protocol. Give the example for each type.

Last answer: Connection less protocol: These protocols do not establish a connection between devices. It is manually achieved by transmitting information in one direction, from source to destination without checking to ... SMTP establish a TCP connection between Sender And port number 25 of receiver

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asked Jan 8 by anonymous

State the situations under which gateways are necessary in the network.

Last answer: Gateway operates at all 7 layers of the OSI model. It is a device, which connects two different dissimilar n/w which have same function of communication. Situation where gateways are necessary ... case of different frame sizes, data rates, format, acknowledgement schemes, and priority schemes tec.

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asked Jan 8 by anonymous

Explain the services provided by transport layer in TCP/IP model.

Last answer: Responsibility of process to process delivery of message Ensure that whole message arrives in order. 1. Service point addressing: -several programs run at a time on computer. Delivery is ... transport layer without error(damage or loss or duplication). Error correction is done by retransmission.

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5 views 1 answer

asked Jan 8 by anonymous

State the factors to be considered for selecting transmission media.

Last answer: Eight factors to be considered: 1. Type of medium. 2. No of conductors/connectors. 3. Flexibility. 4. Durability. 5. Bandwidth. 6. Reliability of connection 7. Required ... parallel wires 12. Resistance to external EMI outside the cable. 13. Attenuation characteristics 14. Cost

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asked Jan 8 by anonymous

Explain handoff procedure in mobile communication.

Last answer: Assume that there is a call going on between two parties over a voice channel. When the mobile unit moves out of coverage area of a particular cell site the reception becomes weak. Then the cell ... arranges the handoff requests in a queue instead of rejecting them, if the new cell sites are busy.

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asked Jan 8 by anonymous

Compare peer to peer network and server based networks.

Last answer: Peer to Peer Network Server Based Network It is a decentralized management It is centralized management It is easy to set up & no administrator required It is complex to set ... client has less power. Uses less expensive computer hardware. It is hardware intensive.

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asked Jan 8 by anonymous

Define Protocol and Encapsulation.

Last answer: i. Protocol: Protocol is defines as the set of rules and regulations to communicate between layers in networking. OR It is set of rules and conventions sender and receiver in data communication ... of encapsulation. OR Encapsulation is the process of adding the headers and footers to the data.

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asked Jan 8 by anonymous

Explain Satellite communication with neat diagram

Last answer: SATELLITE COMMUNICATION: In satellite communication, signal transferring between the sender and receiver is done with the help of satellite. In this process, the signal which is basically a beam ... of satellite: Satellite television digital cinema satellite radio satellite internet access

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asked Jan 8 by anonymous

Explain following: I. Telnet II. FTP

Last answer: 1. Telnet: TELNET is abbreviation for Terminal Network. It is standard TCP/IP protocol for virtual terminal services proposed by ISO. TELNET enables establishment of connection to a remote system in such ... . FTP uses port 21 for the control connection and port 20 for the data connection.

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What is the meaning of computer organization?

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