Questions

One of two sublayers of the data link layer of OSI reference model, as defined by the IEEE 802 standard. This sublayer is responsible for maintaining the link between computers when they are sending data across the physical network connection

When a running car stops suddenly, the passengers tends to lean forward because of Inertia of motion.

Havana is the capital city of Cuba.

It's currency is Cuban Peso.

Decomposers are organisms that break down dead or decaying organisms, and in doing so, they carry out the natural process of decomposition.

The statement "Decomposers are those organisms that recycle matter in the ecosystem" describes decomposers.

a.Direct interaction with customers: The retailer acts as the final link between the organisation and its customer. The retailer knows his customer better than anyone. He even suggests the customer what to purchase and allows him credit facilities to encourage frequent buying behaviour in the customer.

b.Small purchases: The customer purchases goods in small lots from the retail stores. So there are frequent visits to the retail store by the customer.

c.Instrument of marketing communication: via which information about the product is disseminated to the needy customers

The four main functions of a computer are ::

1. Input,

2. Processing,

3. Output and

4. Storage

There are three types of buses.

Address bus: This is used to carry the Address to the memory to fetch either Instruction or Data.

Data bus: This is used to carry the Data from the memory.

Control bus: This is used to carry the Control signals like RD/WR, Select etc.