46. What is the relationship between resistivity r and conductivity s?
(a) R = s2
(b) R = s
(c) R > s
(d) R = 1/s
47. In which decade was the SPICE simulator introduced?
(a) 1950s
(b) 1960s
(c) 1970s
(d) 1980s
48. A coating of dust on a computer’s main circuit boards has this probable consequence
(a) Overheating
(b) Short circuits
(c) Slower hard disk
(d) None
49. ‘.TXT’ extension refers usually to what kind of file?
(a) Text File
(b) Image file
(c) Audio file
(d) Adobe Acrobat file
50. ‘.TMP’ extension refers usually to what kind of file?
(a) Compressed Archive file
(b) Image file
(c) Temporary file
(d) Audio file
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