45. Give three reasons why many modern smartphones do not make use of a physical keyboard. 46. Most printer problems can be solved by checking the power and printer cables and connections. Give three possibilities that might cause a printer not to print at all. 47. A notice appeared on an Internet banking website advising users not to do online banking on computers that are not their own in venues such as cyber cafés, because of the danger of spyware such as keyloggers being installed on these computers. Briefly explain what a keylogger is and why they're so dangerous in these situations. 48. What is the main benefit of using Radio Frequency Identity (RFID) tags as opposed to bar codes in a warehouse environment? 49. Why might installing new software from a DVD be a problem on a Netbook computer? 50. Why is it not recommended that you always take digital photographs at the maximum resolution possible of the digital camera? 51. Give two reasons why it is a good idea to use barcodes and barcode scanners in a library. 52. Making a typing error in your English essay can often quickly be picked up and corrected with a spell check. The same cannot always be said about mistakes on invoices and bills that are sent you and give you a fright when they say you owe R 18000 instead of R 180.00! a) Give two reasons why you think it might to be difficult to completely stop these kinds of mistakes from happening? hook 2010 All your papen 2000 to contain lower middle (40%) and order (30%) que We have deliber included question the whole range t you prepare.
