1. B. Video conferencing is a live, virtual communication connection between two or more people who are in different locations; it allows the people to hear one another voices' and to see each other. Video conferencing allows for face to face communication over the internet network. 2. B. A digital shredder is a data destruction tool which is capable of securely erasing or destroying a computer hard disk or any digital storage device, it does this by completely removing the data and making it impossible to recover it. 6. C. A computer output refers to the information generated by your computer as a result of the commands which you input into the computer system. For instance, if you type 5 + 5 into your computer calculator, it will give you the answer, which is 10. The 5 + 5 is your input while the answer 10 display by your computer is the output. 7. D. Virtual private network is a type of network which create a secure and encrypted connection over the less secure internet in order to enable remote users to have safe access to information at corporate headquarters. With virtual private network, an employee can access information from his office from anywhere in the world. 8. A. It is a good habit to always record the message that greet your callers yourself because that will give you the opportunity of telling them why you are not available and what they need to do, may be leave information for you or call you back. 11. A A virtual office refers to a set up which allows firms and their employees to work from any location in the world by making use of technological devices to communicate with one another. Virtual offers great flexibility and is cost saving. 12. B Local area network is a computer network which connects all the devices within a building or buildings that are beside one another, that is, not up to one kilometer apart. 16. D. The UPC [Universal Product Code] is a bar code technology that is widely used all over the world for tracking goods. The UPC code is made up of 12 digits which are unique to each item of goods.
Fixed costs are the cost that is spent on fixed inputs. They do not vary with the level of output. For instance insurance, rent, etc. They do not change with the change in the quantity of product, unlike variable costs.
The variable costs are the cost incurred on variable inputs. They vary with the level of output produced.
Outsourcing and telecommuting are the trends related to presence of growing technology within the economy allowing various services to be outsourced to people who are more of an expert when it comes to handling those procedures. Overall, these trends are mainstream nowadays and allow businesses to succeed in an articulate manner together with allowing tertiary industry to thrive
The y-axis shows the number of households using a certain number of TV sets while the x-axis shows the number of TV sets that households own.
There are only 5 households that own 5 televisions sets. This is the lowest number of households that own the same number of television sets and this makes sense because owning 5 television sets in a single household is not something that is usually seen.
