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Q:

What are the different hazards? How do you avoid them?

Answer

There are situations, called hazards, that prevent the next insturction in the instruction stream from executing during its designated clock cycle. hazards reduce the performance from the ideal speedup gained by pipelining.


There are three classes of Hazards:


1. Structural hazards: It arise from resource conficts when the hardware cannot support all possible combinations of instructions simultaniously in overlapped execution.


2. Data Hazards: It arise when an instruction depends on the results of previous instruction in a way that is exposed by the overlapping of instructions in the pipeline.


3.control hazards. it arise from the pipelining of branches and other instructions that chage the PC.

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Subject: Hardware

Q:

Should high chimneys be installed in industries? 

Arguments:

1. Yes. It reduces pollution at ground level

2. No. It increments pollution in upper atmosphere

A) Only 1 is true B) Only 2 is true
C) Either 1 or 2 is true D) Neither 1 nor 2 is true
 
Answer & Explanation Answer: A) Only 1 is true

Explanation:

Pollution at ground level is the most hazardious in the way of being injuriousto human and animal life.So,argument 1 alone holds

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Filed Under: Statement and Arguments

Q:

Should India create a huge oil reserve inorder to face some difficult situations in future 

Arguments:

1. No. There is no need to block huge amounts of foreign exchange and keep the money die

2. Yes. This will keep India withstand shocks of sudden rise in oilprices due to un forseen circumstances

A) Only 1 is true B) Only 2 is true
C) Either 1 or 2 is true D) Neither 1 nor 2 is true
 
Answer & Explanation Answer: B) Only 2 is true

Explanation:

Oil being an essential commodity ,our country must keep it in reserve.So argument 1 is vague,while argument 2 holds as it provides a substancial reason for the same

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Filed Under: Statement and Arguments

Q:

What is MESI?

Answer

The MESI protocol is also known as illinois protocol due to its development the University of illinois at Urbana-Champaign and MESI is a widely used cache coherency and memory coherence protocol.


MESI is the most common which supports write-back cache. its use in personal computers became widespread with the introduction of intel's pentium processor to "support the more efficient write-back cache in addition to the write-through cache previously used by the Intel 486 processor"/

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Subject: Hardware

Q:

What are the basic components in a Microprocessor?

Answer

1. Address lines to refer to the address of a block


2. Data lines for data transfer


3. IC chips


4. Processing data

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Subject: Hardware

Q:

What are the best way to prevent a computer virus from entering your computer?

Answer

1.Logout of your computer each time you have finished using it


2.Install and use anti-virus software on your computer 


3.Do not use emails on your machine


4.Make sure all your files are safely stored to your floppy disks

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Subject: Hardware

Q:

Should there be an upper age limit of 65 years for contesting parlimentary/Legislative Assembly elections? 

Arguments:

1. Yes. Generally ,people above the age of 65 years lose their dynamism and will power

2. No. The life span is also increased that people remain physically and mentally active even upto age of 80 years

A) Only 1 is true B) Only 2 is true
C) Either 1 or 2 is true D) Neither 1 nor 2 is true
 
Answer & Explanation Answer: D) Neither 1 nor 2 is true

Explanation:

The age of the person is no criteria for judging his mental capbilities and administrative qualities.So,none of the arguments holds strong

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Filed Under: Statement and Arguments

Q:

Should religion be baned 

Arguments:

1. Yes. It develops fanaticism in people

2. No. Religion binds people together

A) Only 1 is true B) Only 2 is true
C) Either 1 or 2 is true D) Neither 1 nor 2 is true
 
Answer & Explanation Answer: C) Either 1 or 2 is true

Explanation:

Religion binds the people together with the name of god.But at the same time it may create differences and ill-will amon people

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Filed Under: Statement and Arguments