Theory question 103
Computer NetworksPaper 2, Section A: Short-structured questions (answer three)
(a) State the keyboard shortcut keys to: (i) rotate an object in CorelDraw; (ii) position an object in CorelDraw; (iii) navigate to cell A1 in MS Excel worksheet.
(b) Give one reason for including the plus sign (+) in the search texts in a search engine.
(c) With the aid of diagrams, differentiate between LAN and WAN.
Show the model answer
(a)(i) Alt + F8 (Transform – Rotate docker).
(ii) Alt + F7 (Transform – Position docker).
(iii) Ctrl + Home.
(b) The + sign tells the search engine that the word must appear in the results (include this exact term).
(c) LAN – a network covering a small area such as one building or school, usually owned by one organisation and fast; diagram: a few computers joined to one cable/switch. WAN – a network covering a large area (cities or countries), joining many LANs through telephone lines, satellites or the internet; diagram: several LANs linked through a cloud.
Draw a bus/star of PCs for LAN and several LANs joined through a cloud for WAN.