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2 years ago

E gpa(grade point average) you need to have or you get kicked out of robotics for middle school?

1 answer:

3 0

Every school is different. Some you have to keep above a C average. Others you only have to be passing. You will have to check your student handbook.

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Computer system with a 32-bit logical address and 4k-byte page size. assume that each entry of a page table consists of 4bytes.

Annette [7]

The number of bits in the physical address is 26 bits. The number of entries in a page table is $\mathbf{2^{20}}$ entries. The size of the page table in a one-level paging scheme is 4MB.

<h3>
What is paging in Operating System?</h3>

Paging is a storage method used in operating systems to recover activities as pages from secondary storage and place them in primary memory. The basic purpose of pagination is to separate each procedure into pages.

We are given the following parameters:

32-bit logical address
Page size = 4 KB = $\mathbf{2^{12} \ bytes }$
Size of each Page table entry = 4 bytes

Suppose the system supports physical memory size = 64 MB = $\mathbf{2^{26} \ bytes}$

Thus, the number of bits in the physical address is computed as:

= $\mathbf{log_2 \{Physical-memory-size\}}$

$=\mathbf{log_2(2^{26})}}$

= 26 bits

The number of entries in a page table = logical address space size/page size

The number of entries in a page table $\mathbf{= \dfrac{2^{32}}{2^{12}}}$

$\mathbf{=2^{20}}$ entries

In a one-level paging scheme, the size of the table is:

= entire no. of page entries × page table size

= $\mathbf{2^{20}\times 4 \ bytes}$

= 4 MB

suppose that this system supports up to 2^30 bytes of physical memory.

The size of the page table will be the same as 4 MB due to the fact that the number of entries, as well as, the page table entry size is the same.

Since the size of the page table surpasses that of a single page. A page cannot include a whole page table. Therefore, the page table must be broken into parts to fit onto numerous pages, and an additional level of the page table is required to access this page table.

This is called the Multi-Level Paging system.

Therefore, we can conclude that the number of bits in the physical address is 26 bits, the number of entries in a page table is $\mathbf{2^{20}}$ entries, and the size of the page table in a one-level paging scheme is 4MB.

Learn more about Paging in Operating System here:

brainly.com/question/17004314

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4 0

1 year ago

How to make a message appear in more than one slack channel

VMariaS [17]

Answer:

On your desktop, hover over the message you'd like to share and click the Share message icon on the right. Use the drop-down menu to choose where you'd like to share the message, and add a note if you'd like. Click Share to see the message expand.

Explanation:

7 0

3 years ago

The users in your organization bring their own mobile devices to the office and want to be able to access the network with them.

Afina-wow [57]

Answer:

The Windows feature that can be used to protect a network from malware threats that might be on the network user's mobile devices is;

Device Health Attestation (DHA)

Explanation:

Device Health Attestation (DHA) is a feature introduced in version 1507 of widows 10 that enables increased security of the network of enterprises to have mainly hardware which are attested and monitored using cloud based service health check or DHA service on Windows Server 2016.

Device Health Attestation carries out assessments on devices based on Windows 10 devices and Windows 10 mobile devices that work with TPM 1.2 or 2.0 and devices which are within the premises

Items checked include boot configuration and attributes such as Secure Boot, ELAM, and BitLocker

Corrective action are triggered by Mobile Device Management (MDM) based on report data from the DHA.

4 0

2 years ago

The primary function of a __________ is to translate the URL or web address a user enters in a web browser, into the correct cor

Mnenie [13.5K]

The primary function of a " Domain name server (DNS" is to translate the URL or web address a user enters in a web browser, into the correct corresponding IP address.

8 0

3 years ago

What two devices in a computer should be considered "black boxes," and should never be opened due to risks involving charged cap

NNADVOKAT [17]

The two devices in a computer that should be considered "black boxes," and should never be opened due to risks involving charged capacitors are MONITOR and POWER SUPPLY.

Explanation:

Physical contact or close proximity to the open power supply caused a discharge from the capacitor that resulted in an electric shock. Capacitors can discharge current even when not energized because they hold a charge for some time after the power is turned off.
To do harm to your body, the voltage across the capacitor's terminals must be high enough to cause a harmful effect on you. There are no hard rules for at what voltage things become harmful, but a common 'rule of thumb' is that DC up to 48 Volt is considered low voltage. So a capacitor charged to a voltage below 48 V is fairly safe.
A charged capacitor can be very dangerous, so it's important that you avoid coming into contact with the terminals at all times.

3 0

3 years ago