Answer:
input mask
Explanation:
Microsoft Access is a database application used to stored data. It is a relational database with rows and columns of data tables in its database.
Data validation is a tool in Access used to put a constraint on how data is entered in the table. The input mask is a data validation type that forces users to enter data in a specified format for a given field or column.
Answer:
The answer is "Option a".
Explanation:
In cloud computing, it is also known as the model, that enables you for accessible, convenient, through the-demand network access to global computer resources, which can be rapid to get and published via low administrative effort.
Its recommending selection for the cloud providers support for the robust encryption, that has adequate replication processes in place, use user authentication, or provide ample clarity to customers regarding mechanisms that defend subscriptions against other subscriptions and the supplier.
Answer and explanation : The TCP/IP means TRANSMISSION CONTROL PROTOCOL AND INTERNET PROTOCOL It governs all the communication which are performed over network it has a set of protocol. It defines how different types of conversation are performed without any fault through a network
THERE ARE 5 TYPES OF LAYER IN TCP/IP MODEL
- APPLICATION LAYER: It is present at upper level it is used for high level products for the network communication
- TRANSPORT LAYER: This layer is used for transfering the message from one end to other end
- NETWORK LAYER : Routers are present in network layer which are are responsible for data transmission
- DATALINK LAYER : it is used when there is any problem in physical layer for correcting this datalink are used
- PHYSICAL LAYER: Physical; layer are responsible for codding purpose which we used in communication process
A system of interconnected computers that share a central storage system and various peripheral devices such as a printers, scanners, or routers. Each computer connected to the system can operate independently, but has the ability to communicate with other external devices and computers
<span>Read more: http://www.businessdictionary.com/definition/computer-system.html</span>
Answer:
<u>Advantages of wireless communication:-</u>
- Flexibility in transferring the message through communication for which the sender and receiver can be in any place.
- Speed of the communication is accurate and fast
- Due to no wiring , the cost of the wireless communication is less.
<u>Disadvantages of wireless communication:-</u>
- The security is less as the data can be accessed by unauthorized sources at times.
- The setting up of wireless communication complex and expensive.
<u>Advantages of wired communication:-</u>
- Simple configuration
- Higher bandwidth is present in the cable
- High reliability
<u>Disadvantages of wired communication:-</u>
- Mobility is present for communication
- Installation requires lot of time due to cabling
- Requires extra devices for covering large areas for communication
Wireless communication is more preferable than wired communication in the conditions like communication connection that should face low damage and longer life which is not present in cable connection as they break or get disrupted.The flexibility of moving while communication is required by most people so, they use wireless communication .