76. Once the active medium is excited, the first photons of light are produced by which physical process?
77. The average power (in watts) used by a 20 to 25 inch home color television is...?
78. What does AC and DC stand for in the electrical field?
79. '.BAK' extension refers usually to what kind of file?
80. Where is the headquarters of Intel located?
81. Who co-created the UNIX operating system in 1969 with Dennis Ritchie?
82. Voltage is sometimes referred to as EMF, or Electromotive...?
83. '.BAT' extension refers usually to what kind of file?
84. What is the term to ask the computer to put information in order numerically or alphabetically?
85. The input used by an antenna or cable to a TV set uses frequencies called...?
86. 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?
87. What was the active medium used in the first working laser ever constructed?
88. What does EPROM stand for?
89. Blue is what number on the resistor color code?
90. What's a web browser?
91. How many bits is a byte?
92. How do you subscribe to an Internet mailing list?
93. Computers calculate numbers in what mode?
94. What is an FET?
95. How many diodes are in a full wave bridge rectifier?
96. Which of these is a search engine?
97. What does CPU stand for?
98. Which of these is a valid e-mail address?
99. Which device can be used to store charge?
100. What is the difference between the Internet and an intranet?