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3 years ago

What is included on the HP PC Hardware Diagnostics 3-in-1 USB Key that allows you to recover systems that cannot boot?

Computers and Technology

1 answer:

algol133 years ago

3 0

Answer:

HP PC Hardware Diagnostics UEFI

Explanation:

The 3-in-1 HP PC Hardware Diagnostics UEFI USB Key helps the client distinguish potential software, hardware, and Operating System issues. Both older and newer HP Desktop and Laptop PCs come with this tool installed. By default, it operates outside the OS to detach equipment issues from other system issues. In the event you do not have it pre-installed, you can get it from the official HP site.

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Create a maintenance schedule

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3 years ago

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The remove() method in the Queue interface ________. Group of answer choices retrieves, but does not remove, the head of this qu

salantis [7]

<h2>Question:</h2>

The remove() method in the Queue interface ________.

A. retrieves, but does not remove, the head of this queue, returning null if this queue is empty

B. retrieves and removes the head of this queue, or null if this queue is empty

C. retrieves, but does not remove, the head of this queue, throwing an exception if this queue is empty

D. retrieves and removes the head of this queue and throws an exception if this queue is empty

<h2>Answer:</h2>

D. retrieves and removes the head of this queue and throws an exception if this queue is empty

<h2>Explanation:</h2>

In Java, the Queue interface is found in the java.util package and inherits from the Collection interface. It is used to store elements which are processed in the order in which they are inserted. This means that the first element will be processed first.

The Queue interface has many methods. Some of them are;

i. add(): allows elements to be added to the queue.

ii. remove(): retrieves and removes elements from the head of the queue. The head of the queue points to the first element of the queue. If the queue is empty, the remove() method throws an exception called the <em>NoSuchElementException</em>

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iii. poll(): retrieves and removes the element at the head of the queue. Unlike the remove() method, if the queue is empty, a <em>null </em>is returned.

iv. peek(): retrieves but does not remove the element at the head of the queue. Just like the poll() method, a <em>null</em> is returned if the queue is empty.

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2 years ago

Suppose that, even unrealistically, we are to search a list of 700 million items using Binary Search, Recursive (Algorithm 2.1).

damaskus [11]

Answer:

There is also an attachment below

Explanation:

Since we are talking about binary search, let's assume that the items are sorted according to some criteria.

Time complexity of binary search is O(logN) in worst case, best case and average case as well. That means it can search for an item in Log N time where N is size of the input. Here problem talks about the item not getting found. So, this is a worst case scenario. Even in this case, binary search runs in O(logN) time.

N = 700000000.

So, number of comparisions can be log(N) = 29.3 = 29.

So, in the worst case it does comparisions 29 times

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3 years ago

A client contacted you to request your help in researching and supplying the hardware necessary to implement a SOHO solution at

erastova [34]

Answer:

The correct answer to the following question will be "DHCP server".

Explanation:

A network manager that dynamically supplies and delegates equipment of clients with their IP addresses, standard portals and some other networking specifications, known as DHCP server.

It depends on the standard operating procedure classified as Dynamic Host Configuration Protocol to answer to client-specific broadcasting commands.
It's used to optimize the authentication mechanism of computers on IP channels, enabling them using applications and services including NTP, DNS, and any UDP or TCP-based networking protocol.

Therefore, the DHCP server is the right answer.

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3 years ago

Which software would you use to create a print design?

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The answer would be A. Illustrator.

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3 years ago

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