B061- Exchanging Information Flashcards
Give two advantages and two disadvantages of instant messaging.
The advantages are that the conversations occur in real time, its quick to type a reply, messages can be saved for future reference. The disadvantages are that participants have to be logged in at the same time and that people may not know who the other person is.
Give an advantage and a disadvantage of chat rooms.
An advantage is that they are usually moderated and a disadvantage is that people may not know who the other people are.
Give an advantage and a disadvantage of text message.
An advantage is that there is no need for both the sender and recipient to be online at the same time and some disadvantages are that it isn’t possible for the sender to know if a message has arrived or been read and that sending pictures is slow and of low quality.
Give two advantages and two disadvantages of email.
The advantages are that there is no need for the sender and recipient to be online at the same time, electronic messages can be stored, edited and forwarded to others, messages can be filtered to stop unwanted emails, messages can be filtered into folders and it costs less than post, telephone calls or faxes. The disadvantages are that you must have access to a computer or smartphone and have internet connection as well as an email address, many messages are unwanted, often you can’t send large attachments and the address has to be accurate.
Give two advantages and two disadvantages of fax.
The advantages are that it is cheaper to send than ordinary post, it arrives quicker than ordinary post and it can be used for legal documents as its more secure than email. the disadvantages are that they are usually without colour, you can’t have any moving images and that they are only secure if they are in a secure location in the office.
Give two advantages and two disadvantages of video conferencing.
The advantages are that meetings can be called at short notice as no need for travel arrangements, cost of travel is saved, cost of hiring a conference venue is saved, time spent travelling is saved and can be used to keep in easy contact with employees who work from home. The disadvantages are that initial costs can be high, must be a reliable connection via the internet, some people do not like to be on-camera, a lack of personal contact, and there can be difficulty when handing out documents.
What are the steps of an email getting from the sender to the recipient?
The sender writes an email and adds the address, it gets stored in the outbox before arriving in the inbox via a server or internet where the email is then read.
What are the five types of network?
Star, bus, tree, ring and mesh.
What type of networks do schools and homes use most often?
Star and wireless.
What is the name given to a device on a network such as a PC, laptop, printer, hub, switch etc. ?
A node.
Why is a network interface card (NIC) needed?
A network interface card (NIC) is needed in each computer system to connect to a network.
What is the job of a network hub?
A network hub connects nodes together and sends data to every part of the network.
What does a router do?
It connects different networks together.
What is WIFI used for?
It is used to connect mobile devices such as smartphones, laptops and netbooks to a network.
What is a wireless access point used for?
It is used to allow devices such as smartphones, laptops and netbooks to connect to a network and to access the internet.
