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tekilochka [14]
3 years ago
12

E xercise 17.1.2: For each of the transactions of Exercise 17.1.1, add the read- and write-actions to the computation and show t

he effect of the steps on main memory and disk. Assume that initially A — 5 and B = 10. Also, tell whether it is possible, with the appropriate order of OUTPUT actions, to assure that consistency is preserved even if there is a crash while the transaction is executing
Engineering
1 answer:
zavuch27 [327]3 years ago
3 0

Answer:

Please see the attached file for the complete answer.

Explanation:

Download pdf
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Explain race condition..<br><br>don't spam..​
nalin [4]

There are lot of factors that influences race. The explanation of the term is given below.

<h3>What is the race condition?</h3>

A race condition is known to be a type of situation that one finds to be unattractive or undesirable.

This type of condition often takes when a tool, device or system tries every possible way to carry out two or more work at the same time, but due to the the nature of the tool, device or system, the work have to be done in a sequential manner or the right steps so that there will be no error.

A common and well known example of a race condition is the light switch.

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Thermal energy measured by?
Harlamova29_29 [7]

Answer:

Thermal energy is measured using a thermometer denominated in Fahrenheit, Celsius and Kelvin

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A heat recovery device involves transferring energy from the hot flue gases passing through an annular region to pressurized wat
Elina [12.6K]

Answer:

See explaination

Explanation:

Please kindly check attachment for the step by step solution of the given problem.

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3 years ago
Clarifying the issues of a problem is the _____ step in the problem solving process.
ratelena [41]
The answer is 2nd Step because the first step is to define the problem and third is to define your goals
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3 years ago
A person walks into a refrigerated warehouse with head uncovered. Model the head as a 25- cm diameter sphere at 35°C with a surf
galina1969 [7]

Answer:

Hello some parts of your question is missing below is the missing part

Convection coefficient = 11 w/m^2. °c

answer : 44.83 watts

Explanation:

Given data :

surface emissivity ( ε )= 0.95

head ( sphere) diameter( D )  = 0.25 m

Temperature of sphere( T )  = 35° C

Temperature of surrounding ( T∞ )  = 25°C

Temperature of surrounding surface ( Ts ) = 15°C

б  = ( 5.67 * 10^-8 )

Determine the total rate of heat loss

First we calculate the surface area of the sphere

As = \pi D^{2}  

= \pi * 0.25^2 =  0.2 m^2

next we calculate heat loss due to radiation

Qrad = ε * б * As( T^{4} - T^{4} _{s} )  ---- ( 1 )

where ;

ε = 0.95

б = ( 5.67 * 10^-8 )

As = 0.2 m^2

T = 35 + 273 = 308 k

Ts = 15 + 273 = 288 k

input values into equation 1

Qrad = 0.95 * ( 5.67 * 10^-8 ) * 0.2 ( (308)^4 - ( 288)^4 )

         = 22.83  watts

Qrad ( heat loss due to radiation ) = 22.83 watts

calculate the heat loss due to convection

Qconv = h* As ( ΔT )

           = 11*0.2 ( 35 -25 )  = 22 watts

Hence total rate of heat loss

=  22 + 22.83

= 44.83 watts

5 0
3 years ago
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