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Technology - general knowledge
Question 121 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
The sampling rate, (how many samples per second are stored) for a CD is_?
48.4 kHz | |
22, 050 Hz | |
44.1 kHz | |
48 kHz |
Question 122 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
What was the active medium used in the first working laser ever constructed?
A diamond block | |
Helium-neon gas | |
A ruby rod | |
Carbon dioxide gas |
Question 123 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Your computer has gradually slowed down. What's the most likely cause?
Overheating | |
Your processor chip is just getting old | |
Adware/spyware is infecting your PC | |
You dropped a sandwich in your computer |
Question 124 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
In which decade were the first successful diode and triode vacuum tubes invented?
1800s | |
1880s | |
1890s | |
1900s |
Question 125 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Which is the best search tool for finding Web sites that have been handpicked and recommended by someone else?
Subject directories | |
Search engines | |
Meta-search engines | |
Discussion groups |
There are 125 questions to complete.