Who is the founder of Apple Computers ?
Answer: D
Steve Jobs founded Apple, with Steve Wozniak and Ronald Wayne, in 1976.
Wozniak designed the Apple I and II; Jobs saw what they could be sold as. He was forced out in 1985 and returned in 1997 to lead the iMac, iPod, iPhone and iPad.
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ROM stands for:
Answer: B
ROM stands for read only memory.
Its contents are fixed when the chip is made or programmed and survive without power, which is why the BIOS or firmware that starts a computer is held in it.
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The most common format for a home video recorder is VHS. VHS stands for...?
Answer: A
VHS stands for Video Home System.
JVC introduced it in 1976, and it won the format war against Sony's Betamax chiefly by offering longer recording time and licensing the format widely.
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Which is a application software among following ?
Answer: B
Microsoft Office is application software.
It does work for the user - writing, calculating, presenting. An operating system, a compiler and an assembler are all system software, serving the machine or other programs.
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What does AC and DC stand for in the electrical field?
Answer: A
AC is alternating current and DC is direct current.
In alternating current the direction reverses periodically - 50 times a second in India - which is what allows transformers to change the voltage for transmission. Direct current flows one way only, as from a battery.
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RPN stands for -
Answer: A
RPN stands for Reverse Polish Notation.
The operator follows its operands, so 3 4 + means 3 + 4. It needs no brackets and no precedence rules, which is why it suits stack machines and why HP calculators used it.
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Which technology is used in RFID tags to identify an object ?
Answer: C
Correct answer: Radio waves
Radio Frequency Identification tags respond to a reader’s radio signal with a stored identifier. Passive tags draw their power from that signal itself, which is why they need no battery and can be made thin enough to embed in a label.
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If the displayed system time and date is wrong, you can reset it using
Answer: D
The system date and time are reset from the Control Panel.
The clock is kept by a battery-backed real-time clock on the motherboard. A clock that keeps losing the time usually means that battery has failed.
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A program that neither replicates or copies itself, but does damage or compromises the security of the computer. Which 'Computer Virus' it is?
Answer: C
A program that does not replicate but damages or compromises the computer is a Trojan.
Like the horse it is named after, it arrives disguised as something wanted - a game, a utility, an attachment - and relies on the user to run it. A virus and a worm both spread by themselves.
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SMP stands for -
Answer: A
SMP stands for symmetric multiprocessing.
Two or more identical processors share the same main memory and are controlled by one operating system, any of them able to run any task. Nearly every modern multi-core computer works this way.
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