AS OCR COMPUTING KEY TERMS

Across

• 1. Checks for correct data type, e.g. integer (4, 4, 5)
• 4. The Current Instruction Register keeps track of the status of the process currently being carried out. (3)
• 6. Wireless means of connecting to the internet or other WAN’s/LAN’s (2, 2)
• 7. A metropolitan area network is a network which can cover larger areas than a LAN but not needing to be nationwide like a WAN. It can cover a city or several buildings (3)
• 8. • Allows several users to all use the same data files and system files on multiple different input/output systems at the same time. System files and data stored in a central server. • E.g., Supermarket checkouts where every staff member needs access (5, 4)
• 9. • Allows large amounts of information to be processed at once. Takes lots of inputs then processes them all at once, without user input during processes. • E.g., workers registering at the start of the day, or calculating the pay for workers, for the (5)
• 10. A wide area network is a network which encompasses many computers over a very large area such as an entire country. A good example is the internet, or a company network that has divisions all over a country. (3)