Edexcel ICT Insider

Letta uses the Internet for work. (a) Letta can collaborate with others so expertise can be shared. Explain one other way that the Internet could positively impact how Letta works. (2) The Internet could allow Letta to work from home. She could work at a time of day that is right for her and took break whenever she needed to. (b) Letta's employer uses hosted applications and storage. (i) Explain one benefit to Letta's employer of doing this. (2) Letta's employer does not need to buy so much expensive hardware as files can be saved online via cloud. (ii) State the type of computer used to store online software. (1) Server is used to store online software. (c) Describe how filter software works. (2) Filter software prevents users from accessing inappropriate information. When a user tries to access a web page, the address (URL) and/or the contents of the web page are compared against two lists of URLs and keywords stored in the filter software's database. The two lists ar...

Letta uses an online travel booking system. (a) A travel booking system is one type of online service. (i) Give two other types of online service. (2) 1 Gaming sites allow users to play games that are hosted on a remote server. 2 Auction sites allow sellers to list items for sale for a certain period of time and allow buyers to offer money for these items. (ii) List two features of a travel booking system. (2) 1 Basket can be used to add tickets if the customer is buying tickets for more than one trip. 2. E-tickets that are linked to the customer's passport so that the customer can check in. (b) Which one of these describes the role of cookies? (1) A Authentication B Backup C Encryption D Transaction tracking D Transaction tracking (c) Which one of these describes safe practice when using online systems? (1) A Acknowledging sources B Anonymising posts C Avoiding copyright D Paraphrasing B Anonymising posts (d) Describe two positive impacts on society of increased access to technolo...

Letta arrives at a hotel. (a) Letta fills in a form at the hotel reception desk.  Which one of these is an OCR reader used for? (1) A Finding data B Opening e-books C Recognising barcodes D Scanning text D Scanning text (b) Letta connects to the hotel's local area network. (i) One way of identifying a device on a network is the device name. State two other ways of identifying a device on a network. (2) 1 IP address can be used to identify a device on a network. 2 MAC addresses are assigned by the NIC manufacturer to identify a device on a network. (ii) State two reasons for identifying devices on a network. (2) 1 Security reasons 2 Transmitting data to the correct device. (iii) State two ways a local area network (LAN) is different from a wide area network (WAN). (2) 1 A LAN covers a small geographical area whereas a WAN covers a large geographical area. 2 A LAN connects individual devices whereas a WAN connects LANs. (iv) Explain one advantage of connecting a printer to a network....