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प्रश्न
The modem at the sender’s computer end acts as a ______.
विकल्प
Model
Modulator
Demodulator
Convertor
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उत्तर
The modem at the sender’s computer end acts as a Modulator.
Explanation:
The modem modulates signals at the sender's end, converting them from Digital to Analogue, and demodulates signals at the receiver's end, converting them from Analogue to Digital.
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संबंधित प्रश्न
Hi-Standard Tech Traj.ning Ltd. is a Mumbai based organization which is expanding its office set-up to Chennai. At Chennai office compound, they are planning to have 3 different blocks for Admin, Training and Accounts related activities. Each block has a number of computers, which are required to be connected in a network for communication, data and resource sharing.
As a network consultant, you have to suggest the best network related solutions for them for issues/problems raised by them in (i) to (iv), as per the distances between various blocks/locations and other given parameters.
Shortest differences between various blocks/locations:
| Admin Block to Accounts Block | 300 Metres |
| Accounts Block to Training Block | 150 Metres |
| Admin Block to Training Block | 200 Metres |
| MUMBAI Head Office to CHENNAI Office | 1300 Km |
The number of computers installed at various blocks is as follows:
| Training Block | 150 |
| Accounts Block | 30 |
| Admin Block | 40 |
1) Suggest the most appropriate block/location to house the SERVER in the CHENNAI office (out of the 3 blocks) to get the best and effective connectivity. Justify your answer.
2) Suggest the best-wired medium and draw the cable layout (Block to Block) to efficiently connect various blocks within the CHENNAI office compound.
3) Suggest a device/software and its placement that would provide data security for the entire network of the CHENNAI office.
4) Suggest a device and the protocol that shall be needed to provide wireless Internet access to all smartphone/laptop users in the CHENNAI office
Hub is a :
Meerut school in Meerut is starting up the network between its different wings, There are four buildings named S, J, A and H. The distance between various buildings is as follows:
| A to S | 200m |
| A to J | 150m |
| A to H | 50m |
| S to J | 250m |
| S to H | 350m |
| J to H | 350m |
Numbers of computers in each Building
| S | 130 |
| J | 80 |
| A | 160 |
| H | 50 |
The company wants internet accessibility in all the blocks. The suitable and cost-effective technology for that would be:
A ______ is a software program that is designed to copy itself from one computer to another, without human intervention.
______ is also known as NIC card.
Which of the following is true for RJ - 45 connector?
Any organization that provides services for accessing internet are called ______.
______ network device connect different devices through wires.
A switch drops noisy signals and asks sender to resend.
What is the entry and exit point of a network?
Which of the following is not a network device?
What is true for Modems?
NIC stands for ______.
______ network device is known as an intelligent hub.
A device that is used to connect a number of Lans is ______.
Mention any two main advantages of using a network of computing devices.
What do you mean by a modem? Why is it used?
Explain the following device:
Switch
Explain the following device:
Repeater
Explain the following device:
Gateway
Explain the following device:
Router
