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 offer advice on destinations, plan trip itineraries, and make travel arrangements for clients. Travel agents sell transportation, lodging, and admission to entertainment activities to individuals and groups planning trips.They offer advice on destinations, plan trip itineraries, and make travel arrangements for clients.ravel agents also may visit destinations to get firsthand experience so that they can make recommendations to clients or colleagues. They may visit hotels, resorts, and restaurants to evaluate the comfort, cleanliness, and quality of the establishment.