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Riya Sachan 7 years, 11 months ago
Anand Yadav 7 years, 11 months ago
C= Common
O= Oriented
M= Machine
P= Particularly
U= United and used under
T= Technical and
E= Educational
R= Research.
Posted by Shekhar Mishra 4 years, 3 months ago
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Sia ? 4 years, 3 months ago
| LTE | VoLTE |
| It is a data communication system. | It is also a data communication system to overcome LTE. |
| It may or may not support data and voice call services at the same time. | It always supports data and voice call services at the same time. |
| In case if it supports data and voice call together the quality of voice calling is not good. | While it supports HD quality voice calling while using data services. |
| It turns off data connection while making voice calls. | It does not turn off data connection while making voice calls. |
| Call connection between two users is slower (almost takes 7 sec). | If both users are on VoLTE, call connection is faster. |
| External applications like Skype or Whatsapp is required to make video calls. | No external applications are required to make video calls. |
| It is not widely used by users now-a-days. | It is more widely used now-a-days. |
Posted by Suman Khatri 7 years, 11 months ago
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Naveen Sharma 7 years, 11 months ago
Data is represented by computers and other telecommunication devices using signals. Signals are transmitted in the form of electromagnetic energy from one device to another. Electromagnetic signals travel through vacuum, air or other transmission mediums to move from one point to another(from sender to receiver).
Electromagnetic energy (includes electrical and magnetic fields) consists of power, voice, visible light, radio waves, ultraviolet light, gamma rays etc.
Transmission medium is the means through which we send our data from one place to another. The first layer (physical layer) of Communication Networks OSI Seven layer model is dedicated to the transmission media, we will study the OSI Model later.
Factors to be considered while selecting a Transmission Medium
- Transmission Rate
- Cost and Ease of Installation
- Resistance to Environmental Conditions
- Distances
Posted by Hhh Jkl 7 years, 11 months ago
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Amar Kumar 7 years, 11 months ago
A computer is aa advanced electronic and digital machine that can be programmed to manipulate symbols. Its principal characteristics are:
It responds to a specific set of instructions in a well-defined manner.
It can execute a prerecorded list of instructions (a program).
It can quickly store and retrieve large amounts of data.
Posted by Dheerendra Solanki 7 years, 11 months ago
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Amar Kumar 7 years, 11 months ago
The four basic types of computers are as under:
- Supercomputer
- Mainframe Computer
- Minicomputer
- Microcomputer
Posted by Satyam Yadav 7 years, 11 months ago
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Naveen Sharma 7 years, 11 months ago
There are two primary manufacturers of computer microprocessors. Intel and Advanced Micro Devices (AMD) lead the market in terms of speed and quality.
- Intel's desktop CPUs include Celeron, Pentium and Core.
- AMD's desktop processors include Sempron, Athlon and Phenom.
Posted by Dheerendra Solanki 7 years, 11 months ago
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Posted by Astha Gupta 7 years, 11 months ago
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Preet Preet 7 years, 10 months ago
Naveen Sharma 7 years, 11 months ago
Weaknesses of computer :
- Lack of decision-making power
- Zero IQ.
Strengths of computer :
- Speed
- Accuracy
- Reliability
- High Storage Capacity
- Versatility.
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Posted by Manvi Ahuja 7 years, 11 months ago
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Naveen Sharma 7 years, 11 months ago
The graphical user interface (GUI), is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, instead of text-based user interfaces, typed command labels or text navigation
Posted by Sudhanshu Singh 7 years, 11 months ago
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Akshit Sheoran 7 years, 10 months ago
1Thank You