communication

Image credit auspost.com.au ZIMSEC O Level Commerce Notes: Communication: Other Services offered by the Post Office

Parcel post.

• Surface mail parcels are limited to a mass of 10kg
• Ideal for trade samples and goods in mail order.
• Parcels from other countries are opened to comply with customs and legal requirements of each […]
  

Image credit globe-views.com ZIMSEC O Level Commerce Notes: Communication: Telephone

Telephone

• Rented from Tel One.
• Allows dialogue between the parties involved.
• Replies are immediate if the person is present to receive the phone call.
• Calls can be dialed directly using STD.
• Calls can be made locally or internationally.
• Subscribers are allocated unique numbers.
• Subscriber’s numbers […]
  

Video conference room. Image credit colortone-av.com ZIMSEC O Level Commerce Notes: Communication: Telex and Teleconferencing

Telex

• Uses a teleprinter and a telephone.
• Messages can be received even if the office is closed.
• Can operate unattended.
• Provides a written record.
• Has a telex number
• The message can be corrected before sending it.

Video […]

Fax Machine. Image credit cultarmix.com ZIMSEC O Level Commerce Notes: Communication: Fax (Facsimile)

Facsimile (Fax)

• The machine consists of a photocopier and a telephone circuit.
• Fast way of sending and receiving information.
• Used when speed is required.
• Produces information as it is (exact copies/replicas of the send documents are received)
• Ideal for […]