Which word best describes RAM Permanent Stable Unimportant Volatile

Computers and Technology

1 answer:

wlad13 [49]4 years ago

6 0

Answer:

D) Volatile

Explanation:

Volatile memory needs the power to retain the work, and Random Access Memory (RAM) is one of the volatile memory in computers or laptops. If the power cuts, RAM cannot save the data. On the other hand, ROM or Read Only Memory can save the data, for example, hard drive. RAM is not a permanent data storage. It is not stable since it needs power. However, it is an essential element to start the computer. Therefore, option D is correct.

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Given the following adjacency matrix, what is the approximate rank vector after one iteration of the power iteration method (use

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Note: The matrix referred to in the question is: $M = \left[\begin{array}{ccc}1/2&1/3&0\\1/2&1/3&0\\0&1/3&1\end{array}\right]$

Answer:

a) [5/18, 5/18, 4/9]'

Explanation:

The adjacency matrix is $M = \left[\begin{array}{ccc}1/2&1/3&0\\1/2&1/3&0\\0&1/3&1\end{array}\right]$

To start the power iteration, let us start with an initial non zero approximation,

$X_o = \left[\begin{array}{ccc}1\\1\\1\end{array}\right]$

To get the rank vector for the first Iteration:

$X_1 = MX_0$

$X_1 = \left[\begin{array}{ccc}1/2&1/3&0\\1/2&1/3&0\\0&1/3&1\end{array}\right]\left[\begin{array}{ccc}1\\1\\1\end{array}\right] \\\\X_1 = \left[\begin{array}{ccc}5/6\\5/6\\4/3\end{array}\right]\\$