In which decade did the first transatlantic radio broadcast occur?
Answer: D
The first transatlantic radio broadcast occurred in the 1900s.
Marconi received the letter S in Morse across the Atlantic in December 1901, and the first transatlantic transmission of speech and music followed a few years later.
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In which addressing the operand is actually present in instruction ?
Answer: B
In immediate addressing the operand is contained in the instruction itself.
No memory access is needed to fetch it, so the instruction executes quickly, but the value is fixed at assembly time. It is used for constants.
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One byte is equal to how many bits ?
Answer: A
One byte is 8 bits.
Eight bits give \( 2^8 = 256 \) values, enough for a character set with letters, digits and punctuation, which is why the byte settled at that size and became the unit of memory.
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What are three types of lasers?
Answer: D
Three types of laser are gas, solid state and diode.
Gas lasers such as helium-neon and carbon dioxide use a gas discharge; solid state lasers use a crystal such as ruby or Nd:YAG; and diode lasers use a semiconductor junction, which is what is in every CD player and laser pointer.
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What is a URL?
Answer: C
A URL is the address of a document or resource on the web.
Uniform Resource Locator: it names the protocol, the host and the path - for instance https://example.com/page.html - and so specifies both where a resource is and how to fetch it.
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Which of these are internal parts of computer ?
Answer: D
All three - the cooling fan, expansion slots and network card - are internal parts of a computer.
They sit inside the case: the fan on the processor or chassis, the slots on the motherboard, and the network card in one of them or built into the board.
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What is the Websites code for the country Mongolia?
Answer: A
The country code for Mongolia is .mn.
Country codes follow ISO 3166-1 and are always two letters, which is what distinguishes them from generic domains such as .com and .org.
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What is the Websites code for the country Colombia?
Answer: A
The country code for Colombia is .co.
Because it resembles .com, Colombia opened it to worldwide registration in 2010 and it is now used widely as a general-purpose domain.
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Who was the father of Internet ?
Answer: A
Vint Cerf is called the father of the internet.
With Bob Kahn he designed the TCP/IP protocols in 1974, which made it possible for separate networks to interconnect - the step that turned ARPANET into an internet. The two shared the Turing Award in 2004.
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What is LCP?
Answer: C
LCP stands for Link Control Protocol.
It is the part of PPP that establishes, configures and tests a data link before any network traffic passes - negotiating packet size, authentication and compression, then closing the link when done.
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