Saturday, 31 December 2011


1.Larger buildings may be supplied with a medium voltage electricity supply, and will required a substation or mini-sub. What is the main item of equipment contained in these?
2.What was the active medium used in the first working laser ever constructed?
A ruby rod.
3.What does EPROM stand for?
Erasable Programmable Read Only Memory.
4.Voltage is sometimes referred to as EMF, or Electromotive...?
5.What does AM mean?
Amplitude modulation
6.'.BAT' extension refers usually to what kind of file?
System file.
7.What is the term to ask the computer to put information in order numerically or alphabetically?
8.The input used by an antenna or cable to a TV set uses frequencies called...?
9.In which decade was the ARRL founded?
10.CD' computer abbreviation usually means ?
Compact Disc.
11.'.BAK' extension refers usually to what kind of file?
Backup file.
12.Where is the headquarters of Intel located?
Santa Clara, California.
13.Who co-created the UNIX operating system in 1969 with Dennis Ritchie?
Ken Thompson.

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