To buy stocks and sell stocks and take the commission on each every transaction wheather they sell or whether they purchase they are the mediators

The discount is given on the basis of  the plan whatever they mention for eg50+20% means not 70%it means first 50% discount of the main cost and after that 20 % of that cost which meet after the 50 % discount

Advertisement is the good way to tell about the product to the public through the advertisement 30% business increase for the particular product eg movies adds before the movie  release get the money to the producer  as the spend to make the movie whether it is flop but the advertisement  get the customers

Memory,monitor,ups, data buses

Accurate information and faster decision making.

Manual is not completely accurate but in the computer based information system the information is accurate and it take decision on the basis of all the earlier results. In the manual system all the entries are done by the human and after that  they take decision by them self .

Virusesbad impact and I think there are no more disadvange because the internet is the main source to retrieve every information

The data that available in the ram  with which the processor currently working is primary and the data that the ram take from the hard disk is secondary data

The constructor and destruct or is the member function and the constructor is used to construct the memory or allocate the memory for the variable where as the destructor is use to de allocate the memory

The cache memory is placed between the main memory and the cpu the cache memory is used to store one bit of the data  it is much faster then the primary memory

The primary memory is also the temporary memory and it is used to store the data that is currently required by the cpu the primary memory is fast then secondary memory and it has no large storage

The role of the administrator in the organization is to providing permission to the users means who can access the data or who have no permission to access the data and they are also responsible for maintainability of the data

You can connect it with the usb drive and you have need to install the drivers first

All above these the correct syntax to you it is the main tags that used to  mostly design the pages of the site

We can access the data from more than one table data sharing is easyreduce duplication

You can watch it online but you have need to review the terms and conditions wheather  it is free or not