(a) Match each type of ICT in Table 1 with its relevant 1. ICT Type communication sector. Satellite communication Radio Broadcasting Internet Data network G...

Answer Details

(a) Matching each ICT type with its relevant communication sector. The four sectors listed (Radio, Internet, GSM, video conferencing) belong to the ICT types as follows:

Reasoning: Broadcasting is the ICT used to transmit radio (and television) programmes; a data network carries traffic for the Internet; telecommunication covers voice/mobile telephony such as GSM; and satellite communication provides the long-distance links that make video conferencing possible.

(b) Three computing devices for each period:

(i) 19th century (1800s):

• Difference Engine (Charles Babbage)
• Analytical Engine (Charles Babbage)
• Hollerith's Tabulating Machine / punched-card machine (Herman Hollerith)

(ii) 20th century (1900s):

• Harvard Mark I
• ENIAC
• UNIVAC (and the personal/desktop computer)