1 converts written data into sound waves. 2  converts the sound waves from a voice into a digital signal. 3  converts letters from the keyboard into digital format. 4  converts digital sound waves into analog sound waves.
Travel agencies make their money in a variety of ways. The products agents sell have built-in fees that result in a profit for the agency. The amount of the fees and the ways in which they are earned and distributed differ by the type of product sold and the suppliers who provide that product to the agency.
Travel agents have a wide network of contacts and can provide cheaper fares, great hotel deals, cab rentals and many other travel related bookings which can be very useful for the average tourist. A travel agent may be an employee of a large travel agency or he may function independently.Further, he may be dealing in specialized areas such as vacation bookings, business travel, honeymoon travel or making exotic travel arrangements.At the basic level a travel agent make bookings to any destinations the people wish travel to.It could be traveling by train, ship or flight, the agent can suggest you the most suitable option and suggest the most convenient routes.ravel agents have a wide network of contacts and can provide cheaper fares, great hotel deals, cab rentals and many other travel related bookings which can be very useful for the average tourist. A travel agent may be an employee of a large travel agency or he may function independently.