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1 year ago

Explain the history of computing of mechanical era

Computers and Technology

2 answers:

PilotLPTM [1.2K]1 year ago

6 0

Answer:

there a lot and there some stuff we dont know

Explanation:

OLga [1]1 year ago

4 0

Answer:The Mechanical Era

Created a machine that could add and subtract numbers. Dials were used to enter the numbers. ... Designed a machine called the Analytical Engine. The design had all the basic components of a modern day computer. In addition, it was designed to be programmable using punched cards.

Explanation:Hope this helped

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Why is it important to back up data on a computer before you burn-in test the cpu?

katen-ka-za [31]

A burn-in test is a test which is usually performed on a system or component by running it for a long time in order to bring out any errors or system failures etc.
While doing it on CPU the data must be backed up as any kind of error or failure may result in the loss of data, at time systems can be repaired to retrieve data but still there is no guarantee, backing up is the best option.

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1 year ago

1⁰=?<br> Is equal to...........

Murrr4er [49]

Answer:

Explanation:

Anything to the 0th power is 1. However, 0⁰ is undefined.

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1 year ago

Read 2 more answers

If parties in a contract are not ____, the contract can be canceled.

Anastasy [175]

Agreed to all the terms mentioned in the contract

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1 year ago

Suppose your company has decided that it needs to make certain busy servers faster. Processes in the workload spend 60% of their

vekshin1

Answer:

CPU need 50% much faster

disk need 100% much faster

Explanation:

given data

workload spend time CPU = 60%

workload spend time I/O = 40%

achieve overall system speedup = 25%

to find out

How much faster does CPU need and How much faster does the disk need

solution

we apply here Amdahl’s law for the overall speed of a computer that is express as

S = $\frac{1}{(1-f)+ \frac{f}{k} }$ .............................1

here f is fraction of work i.e 0.6 and S is overall speed i.e 100% + 25% = 125 % and k is speed up of component

so put all value in equation 1 we get

S = $\frac{1}{(1-f)+ \frac{f}{k} }$

1.25 = $\frac{1}{(1-0.6)+ \frac{0.6}{k} }$

solve we get

k = 1.5

so we can say CPU need 50% much faster

and

when f = 0.4 and S = 125 %

put the value in equation 1

S = $\frac{1}{(1-f)+ \frac{f}{k} }$

1.25 = $\frac{1}{(1-0.4)+ \frac{0.4}{k} }$

solve we get

k = 2

so here disk need 100% much faster

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1 year ago

g Suppose the information content of a packet is the bit pattern 1110 0110 1001 1101 and an even parity scheme is being used. Wh

erma4kov [3.2K]

Answer: see description

Explanation:

first we accommodate the bit pattern in a matrix of 4x4 which is the minimum length checksum field, now with even parity two-dimensional scheme we need to complete this matrix by adding one row and one column by adding at the end of each row a 1 or a 0 to complete pairs of 1's:

we have

$\left[\begin{array}{cccc}1&1&1&0\\0&1&1&0\\1&0&0&1\\1&1&0&1\end{array}\right]$

so we complete with this, adding a row at the end which matches a pair number of 1's

$\left[\begin{array}{ccccc}1&1&1&0&1\\0&1&1&0&0\\1&0&0&1&0\\1&1&0&1&1\\1&1&0&0&0\end{array}\right]$

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1 year ago