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andreev551 [17]
2 years ago
12

Can someone tell me how to mark people the brainiest on a laptop?

Computers and Technology
1 answer:
Crazy boy [7]2 years ago
7 0

When two people give answer to your question, then below their answer you will get a option Mark as Brainliest. You simply need to click that button

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You are planning a program to find the maximum heart rate recommended for patrons of a gym where you have a part-time job. One f
Korolek [52]

Answer:

Age = int(input(Enter your age? "))

print(f"Your maximum heart rate is {220 - age}.")

Explanation:

The programs will be as follows

Age = int(input(Enter your age? "))

print(f"Your maximum heart rate is {220 - age}.")

 

6 0
3 years ago
Help! I’ll mark you brainly! Please help me.
nika2105 [10]

Answer:

11. There are four main alignments: left, right, center, and justified

12. Symmetrical balance occurs when equal weights are on equal sides of a composition, balanced around a fulcrum or axis in the center.

13.  Asymmetrical balance results from unequal visual weight on each side of the composition.

14. White space

15. Most modern TVs are 16:9, which causes letterboxing when viewing 21:9 content, and pillarboxing when viewing 4:3 content such as older films or TV broadcasts, unless the content is cropped or stretched to fill the entire display. The Napoléon (1927 film) was released in 4:1 aspect ratio.

16. ??? im sorry idk

17. The Rule of Thirds is the process of dividing an image into thirds, using two horizontal and two vertical lines.

Explanation:

4 0
3 years ago
To what type of user does he most likely have access? Jae is using a computer at the public library to do research she's able to
lapo4ka [179]

Answer:

can update her computer by restaring or using an app called:pogram.downloader..com

7 0
3 years ago
For which input values will the following loop not correctly compute the maximum of the values? 1. Scanner in = new Scanner (Sys
My name is Ann [436]

Answer:

The answer is "Option d".

Explanation:

Please find the complete question in the attached file.

8 0
3 years ago
Discuss the DMA process​
shusha [124]

Answer:

Direct memory access (DMA) is a process that allows an input/output (I/O) device to send or receive data directly to or from the main memory, bypassing the CPU to speed up memory operations and this process is managed by a chip known as a DMA controller (DMAC).

Explanation:

A defined portion of memory is used to send data directly from a peripheral to the motherboard without involving the microprocessor, so that the process does not interfere with overall computer operation.

In older computers, four DMA channels were numbered 0, 1, 2 and 3. When the 16-bit industry standard architecture (ISA) expansion bus was introduced, channels 5, 6 and 7 were added.

ISA was a computer bus standard for IBM-compatible computers, allowing a device to initiate transactions (bus mastering) at a quicker speed. The ISA DMA controller has 8 DMA channels, each one of which associated with a 16-bit address and count registers.

ISA has since been replaced by accelerated graphics port (AGP) and peripheral component interconnect (PCI) expansion cards, which are much faster. Each DMA transfers approximately 2 MB of data per second.

A computer's system resource tools are used for communication between hardware and software. The four types of system resources are:

  •    I/O addresses
  •    Memory addresses.
  •    Interrupt request numbers (IRQ).
  •    Direct memory access (DMA) channels.

DMA channels are used to communicate data between the peripheral device and the system memory. All four system resources rely on certain lines on a bus. Some lines on the bus are used for IRQs, some for addresses (the I/O addresses and the memory address) and some for DMA channels.

A DMA channel enables a device to transfer data without exposing the CPU to a work overload. Without the DMA channels, the CPU copies every piece of data using a peripheral bus from the I/O device. Using a peripheral bus occupies the CPU during the read/write process and does not allow other work to be performed until the operation is completed.

With DMA, the CPU can process other tasks while data transfer is being performed. The transfer of data is first initiated by the CPU. The data block can be transferred to and from memory by the DMAC in three ways.

In burst mode, the system bus is released only after the data transfer is completed. In cycle stealing mode, during the transfer of data between the DMA channel and I/O device, the system bus is relinquished for a few clock cycles so that the CPU can perform other tasks. When the data transfer is complete, the CPU receives an interrupt request from the DMA controller. In transparent mode, the DMAC can take charge of the system bus only when it is not required by the processor.

However, using a DMA controller might cause cache coherency problems. The data stored in RAM accessed by the DMA controller may not be updated with the correct cache data if the CPU is using external memory.

Solutions include flushing cache lines before starting outgoing DMA transfers, or performing a cache invalidation on incoming DMA transfers when external writes are signaled to the cache controller.

4 0
3 years ago
Read 2 more answers
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