Practice Question and Answer
8Q: Which is the largest epic in world ? 1208 05b5cc785e4d2b41977750276
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Answer :
Explanation :
Mahabharat
Q: When designing the file structure for an operating system, what attributes are considered ? 2214 05b5cc785e4d2b41977750275
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Answer :
Explanation :
Commonly, the different attributes for a file structure are naming,size, identifier, a level of protection, supported file types and location for the files.
Q: What is the perfect page size when designing an operating system ? 1288 05b5cc785e4d2b41977750274
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Answer :
Explanation :
The perfect paging size varies from system to system, so there is no single best when it reaches to page size. There are several factors to consider in order to come up with a fitting page size, such as paging time, page table, and its effect on the total performance of the operating system.
Q: What are the various types of CPU registers in a regular operating system design ? 834 05b5cc785e4d2b41977750273
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Answer :
Explanation :
Stack Pointer Index Registers Accumulators General Purpose Registers
Q: I. Rural and semi-urban areas in the country have been suffering due to load shedding for quite some time. II. If the Government is not able to overcome the power crisis, load shedding will be extended even to the urban areas. 2094 05b5cc785e4d2b4197775026e
5b5cc785e4d2b4197775026e- 1Statement I is the cause and statement II is its effectfalse
- 2Statement II is the cause and statement I is its effectfalse
- 3Both the statements I and II are effects of independent causesfalse
- 4Both the statements I and II are effects of some common causetrue
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Answer : 4. "Both the statements I and II are effects of some common cause"
Explanation :
Answer: D) Both the statements I and II are effects of some common cause Explanation: The facts given in both the statements are clearly the result of acute power shortage.
Q: In a certain city, 5% of all the persons in town have unlisted phone numbers. If you select 100 names at random from that city's phone directory, how many people selected will have unlisted phone numbers? 1535 05b5cc785e4d2b4197775026d
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Answer :
Explanation :
Zero. You are selecting names from the list, so they are all listed.
Q: The magnetic moment (spin only) of [NiCl4]2-is 1746 05b5cc785e4d2b41977750268
5b5cc785e4d2b41977750268- 11.41 BMfalse
- 21.82 BMfalse
- 35.46 BMfalse
- 42.82 BMtrue
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Answer : 4. "2.82 BM"
Explanation :
Answer: D) 2.82 BM Explanation: Hybridisation of Ni is e- Unpaired 3d8in is 2 So Ω = n(n+2)BM=2x4 = 8 = 2.82BM
Q: Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at –6°C will be: (Kf for water = 1.86 Kg/mol and molar mass of ethylene glycol = 62 kg/mol) 1410 05b5cc785e4d2b41977750263
5b5cc785e4d2b41977750263- 1204.60 gfalse
- 2304.30 gfalse
- 3804.32 gtrue
- 4400.00 gfalse
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Answer : 3. "804.32 g"
Explanation :
Answer: C) 804.32 g Explanation: ∆Tf = kf.m for ethylene glycol in aq. solution ∆Tf = kf wmol.wt × 1000wt. of solvent6 = 1.86 x w x 100062 x 4000 => w = 800 g So, the weight of solute should be more than 800 g.