IIT JEE Practice Question and Answer
8Q: Microprocessors as switching devices are for which generation computers? 5468 05b5cc645e4d2b4197774bbb4
5b5cc645e4d2b4197774bbb4- 1Fourth generationtrue
- 2Third generationfalse
- 3Second generationfalse
- 4First generationfalse
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Answer : 1. "Fourth generation"
Explanation :
Answer: A) Fourth generation Explanation: Microprocessors are used in the computers of fourth generation computers. Personal microcomputers were possible due to the microprocessors. Microprocessors further revolutionized the development of computers. The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971.
Q: Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a girl sitting at window seat in the slower train in 32 seconds. Find the length of the faster train ? 5467 05b5cc6d8e4d2b4197774e769
5b5cc6d8e4d2b4197774e769- 1170 mfalse
- 2100 mfalse
- 3270 mfalse
- 4320 mtrue
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Answer : 4. "320 m"
Explanation :
Answer: D) 320 m Explanation: Relative speed = (72 - 36) x 5/18 = 2 x 5 = 10 mps.Distance covered in 32 sec = 32 x 10 = 320 m. The length of the faster train = 320 m.
Q: Two persons start running simultaneously around a circular track of length 300 m from the same point at speeds of 15 km/hr and 25 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions ? 5439 05b5cc6e5e4d2b4197774ecf2
5b5cc6e5e4d2b4197774ecf2- 127 sectrue
- 231 secfalse
- 323 secfalse
- 429 secfalse
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Answer : 1. "27 sec"
Explanation :
Answer: A) 27 sec Explanation: Time taken to meet for the first time anywhere on the track = length of the track / relative speed = 300 / (15 + 25)5/18 = 300x 18 / 40 x 5 = 27 seconds.
Q: If today is Saturday, what will be the day 350 days from now ? 5437 05b5cc6dbe4d2b4197774e8eb
5b5cc6dbe4d2b4197774e8eb- 1Saturdaytrue
- 2Fridayfalse
- 3Sundayfalse
- 4Mondayfalse
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Answer : 1. "Saturday"
Explanation :
Answer: A) Saturday Explanation: 350 days, 350/7 = 50, no odd days, so it will be a Saturday.
Q: Off-duty risk decisions are 5414 05b5cc688e4d2b4197774c322
5b5cc688e4d2b4197774c322- 1Dictated by the Department of the Armyfalse
- 2The responsibility of individual Soldierstrue
- 3Made by leaders and commandersfalse
- 4Not a considerationfalse
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Answer : 2. "The responsibility of individual Soldiers"
Explanation :
Answer: B) The responsibility of individual Soldiers Explanation: Risk Management : A decision-making process for identifying hazards and controlling risks both on-duty and off-duty is called a Risk Management (RM). Hence, Off-duty risk decisions are the responsibility of individual Soldiers.
Q: Who translated Ramayana into Persian? 5403 05b5cc675e4d2b4197774c139
5b5cc675e4d2b4197774c139- 1Abdul Fazitrue
- 2Badaunifalse
- 3Isar Dasfalse
- 4Abdul Latiffalse
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Answer : 1. "Abdul Fazi"
Explanation :
Answer: A) Abdul Fazi Explanation: In 1574 Akbar started a Maktab Khana or a house of translation works in Fatehpur Sikri. He endorsed the work to a few officials to make translations of the Sanskrit books Rajatarangini, Ramayana and Mahabharata into the Persian language. In that officials, Abdul Fazi translated Ramayana into Persian.
Q: 7 9 19 18 31 29 Find the odd number in the given Number Series? 5395 05b5cc6b9e4d2b4197774d770
5b5cc6b9e4d2b4197774d770- 131false
- 229true
- 318false
- 419false
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Answer : 2. "29"
Explanation :
Answer: B) 29 Explanation: Here the given number series follows a pattern of two alternate series. 1. 7 19 31 ...(Difference of 12) 2. 9 18 27 ...(Difference of 9) Here the odd number is 29 instead of 27 And the next number is 31 + 12 = 43 & 27 + 9 = 36
Q: The Capacity of a Communication Channel is Measured in 5391 05b5cc6afe4d2b4197774d1c9
5b5cc6afe4d2b4197774d1c9- 1Band ratefalse
- 2Band widthtrue
- 3Data flowfalse
- 4Bit capacityfalse
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Answer : 2. "Band width"
Explanation :
Answer: B) Band width Explanation: The path that data takes from source to destination is called a Channel. A channel is a communication medium. A channel has a certain capacity for transmitting information. The "capacity" of a channel is the theoretical upper-limit to the bit rate over a given channel that will result in negligible errors. Channel capacity is often measured by its Bandwidth in Hz or its data rate in bits per second.