A DMA module is transferring characters to memory using cycle stealing, from a device transmitting at 9600 bps. The processor is fetching instructions at the rate of 1 million instructions per second (1 MIPS). By how much will the processor be slowed down due to the DMA activity?
Answers
The processor will be slowed down by approximately 10% due to the DMA activity.
To determine the slowdown caused by the DMA activity, we need to calculate the time taken by the DMA module to transfer characters to memory and compare it to the time available for the processor to fetch instructions.
The DMA module is transferring characters at a rate of 9600 bps (bits per second). To convert this to bytes per second, we divide by 8 since there are 8 bits in a byte. Therefore, the DMA module transfers characters at a rate of 1200 bytes per second (9600/8).
Now, let's calculate the time taken by the DMA module to transfer one character: 1/1200 seconds (since it transfers 1200 characters per second).
The processor fetches instructions at a rate of 1 million instructions per second (1 MIPS). Each instruction takes a certain number of cycles to execute, which we'll assume as 1 cycle for simplicity.
So, the time available for the processor to fetch instructions is 1/1,000,000 seconds per instruction.
Comparing the time taken by the DMA module (1/1200 seconds per character) to the time available for the processor (1/1,000,000 seconds per instruction), we can see that the processor is slowed down by approximately 10% due to the DMA activity (1/1200 divided by 1/1,000,000 equals 0.00833, which is approximately 10%).
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Related Questions
Use the internet to find a foreign product that is not available
in the United States. Then take that foreign product and put
together a strategy to market it in the United States.
Answers
Marketing a foreign product in the United States can be quite a task. However, it’s a rewarding task as it opens doors to the opportunity for a new market and the potential to make profits.
In this context, we will use “Kangaroo Island Spirits”, a gin from South Australia, to discuss a strategy to market a foreign product in the United States.
Study the American Market and its needs: The first step in putting together a strategy to market Kangaroo Island Spirits gin is to research and understand the American market. Analyze the current trends and needs of the American gin market. This will give an idea of the demand for this product and also to know the different geographical locations where it can be marketed.Understand the Legal requirements: To ensure the product meets all legal requirements for sale in the United States, check the rules and regulations for importing the product into the US. Understanding the legal requirements will help in avoiding any legal issues and also prevent penalties and fines.Position the product in the USA: Most American consumers love their Gin, and marketing to their interests and tastes will make the product more attractive. A good place to position Kangaroo Island Spirits gin is in high-end restaurants, wine and spirits stores.Using Social media platforms can be useful in advertising the product as it reaches a large audience. There should be continuous promotions to create brand awareness and to increase sales.Choose a Distribution Channel: To make Kangaroo Island Spirits gin available for purchase by American consumers, it is important to find a distributor that specializes in alcoholic beverages and is familiar with the US market. Online sales can be a good channel for distributing the product and this can be done via sites like Amazon, and eBay.Marketing a foreign product in the United States is a challenging task, however, it’s not impossible. By studying the American market, understanding legal requirements, positioning the product and choosing the right distribution channels, Kangaroo Island Spirits gin can be successfully marketed in the US.
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problem 1 this program will test your ability to examine and manipulate strings. create a file named lab07p1.py. write a program that does the following: use a loop to ask the user to enter a series of phone numbers in a specific format:
Answers
The program prompts the user to enter phone numbers in a specific format using a loop.
In this programming task, you are required to create a Python program named "lab07p1.py" that utilizes a loop to ask the user to enter a series of phone numbers in a specific format. The program should prompt the user for input and expect phone numbers to be entered in a predefined format.
The specific format for the phone numbers could be specified in the problem statement or given in the program requirements. It may include a certain number of digits, a specific arrangement of digits, or any other formatting requirement.
To implement this program, you will need to use a loop, such as a "while" or "for" loop, to repeatedly ask the user for input until a specific condition is met (e.g., entering a specific keyword to exit the loop). Within the loop, you will prompt the user to enter a phone number and validate whether it matches the required format. If the input is valid, you can perform any additional operations or manipulations required by the problem statement. If the input is invalid, you may display an error message or ask the user to re-enter the phone number.
By following these steps and using appropriate string manipulation techniques, you can create a program that tests the user's ability to examine and manipulate strings based on the given requirements.
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Circle the portion of the IP address that would be invalid if it were assigned to a host, and then explain why it is invalid: 131. 107. 256. 80 222. 222. 255. 222 0. 127. 4. 100 190. 7. 2. 0 127. 1. 1. 1 198. 121. 254. 255 255. 255. 255. 255
Answers
The portion of the IP address that would be invalid if it were assigned to a host are:
0. 127. 1. 1.255 255. 255. 255. 255.What is an IP address?An IP address is the abbreviation for internet protocol address and it can be defined as a unique set of numbers that are assigned to a computer or other network devices, so as to successfully differentiate them from one another in an active network system.
In Computer networking, the internet protocol (IP) address comprises two (2) main versions and these include;
Internet protocol version 4 (IPv4).Internet protocol version 6 (IPv6).In this scenario, the portion of the IP address that would be invalid if it were assigned to a host are:
0. 127. 1. 1.255 255. 255. 255. 255.In conclusion, the host portion of a valid IP address must not have all of its unique numbers as ones (1s) or zeros (0s).
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Preventive Maintenance will will reduce potential hardware and Software Problems. Select two factors based on which Preventive maintenance plans are developed: (2 Marks) Select one or more: Computer Software Specification Computer Hardware Specification Computer location or environment Computer Use Computer Speed
Answers
Answer:
Computer location or environment
Computer Use
Explanation:
Preventive maintenance are maintenance done, on a routine or regular basis, to prevent the occurrence of downtime which are not planned due to the failure of equipment in the system, and to ensure continual functionality of the system
In a computer system, therefore, preventive maintenance should focus on conditions that are on the maximum limits of the specification of the system
Therefore, the preventive maintenance of the system of the computer system is based on;
1) The computer location, such as the presence of dust in the environment, that can clog the circuit board of the system, or exposure to liquid that require ensuring protective covering of parts, or the high temperatures, that may require extra cooling through the use of fans
2) The computer usage; Including how the computer is used, either continuously, or once in a while, the traffic the computer is experiencing, the presence of temporary files, and malicious programs, that require removal.
What type of media is a hard disk
Answers
Answer:
A hard disk provides a high-capacity alternative to magnetic storage media. It contains metal platters coated with a magnetic layer. The platters usually spin continuously when a computer is on, storing data in different sectors on the magnetic disk.
Explanation:
how to find the volume of cube in computer in QBASIC program
Answers
Answer:
QBasic Programming
REM PROGRAM TO DISPLAY VOLUME OF CUBE. CLS. INPUT “ENTER LENGTH”; L. ...
USING SUB PROCEDURE.
DECLARE SUB VOLUME(L) CLS. INPUT “ENTER LENGTH”; L. ...
SUB VOLUME (L) V = L ^ 3. PRINT “VOLUME OF CUBE ”; V. ...
USING FUNCTION PROCEDURE.
DECLARE FUNCTION VOLUME (L) CLS. ...
FUNCTION VOLUME (L) VOLUME = L ^ 3.
give 4 example for echinodermis cnidarians poriferas platyhilminthes nematodes and annerids
Answers
Answer:
Among the largest and most important invertebrate phyla are Porifera (sponges), Cnidaria (jellyfish, corals, and sea anemones), Platyhelminthes (flatworms), Nematoda (roundworms), Mollusca (snails, bivalves, squids, and octopuses), Annelida (segmented worms), Arthropoda (horseshoe crabs, spiders, crabs, centipedes, ..
Cho 1 biến x thuộc kiểu dữ liệu Integer , hãy cho biết biến x dùng để làm gì?
Answers
Answer:
???
Explanation:
Please give answers between 500 words.
What have been the major issues and benefits in
Electronic Data Interchanges (EDI) and Web-Based/Internet
Tools?
Answers
The major issues and benefits of electronic data interchange (EDI) and web-based/Internet tools, such as compatibility and standardization, privacy, cost, dependence on internet connectivity, etc.,
One of the challenges of EDI is that it is ensuring compatibility between different systems and also establishing standardized formats for data exchange. It requires agreement and coordination among trading partners in order to ensure the seamless communication, while there are many benefits that include EDI and web-based tools that enable faster and more efficient exchange of information, eliminating manual processes, paperwork, and potential errors. Real-time data exchange improves operational efficiency and enables faster decision-making. Apart from this, there are many other benefits to these.
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What is the key sequence to copy the first 4 lines and paste it at the end of the file?
Answers
Press Ctrl+C after selecting the text you want to copy. Press Ctrl+V while holding down the cursor to paste the copied text.
What comes first in the copy and paste process for a slide?Select the slide you wish to copy from the thumbnail pane, then hit Ctrl+C on your keyboard. Move to the location in the thumbnail pane where you wish to paste the slide, then hit Ctrl+P on your keyboard.
What comes first in the copying process of a segment?The secret to copying a line segment is to open your compass to that segment's length, then mark off another segment of that length using that amount of opening.
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the processing is done in the
Answers
Answer:
CPU Central Processing Unit
Answer:
CPU.... I'm not sure but it might be right or can u put the full question because it sorta don't make any sense
How will I go about conducting the investigation on fake news
Answers
A person can go about conducting the investigation on fake news by:
Making personal researchMaking news verificationsComparing news with reputable outlets, etcFake news are those news or pieces of reporting which contains false information which is misleading to the general public.
With this in mind, it is important to verify information which you see anywhere and compare them to more reliable news outlet and also to make personal research which would be done without bias.
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Huffman encoding uses variable length binary strings to represent particular characters. Group of answer choices False True
Answers
Computer _ rely on up to date definitions?
A. Administrators
B. Malware Scan
C. Firmware updates
D. Storage Drivers
Answers
Answer: The correct answer is B. Malware Scan
Explanation:
The word "definition" only applies to antivirus and malware removal applications that scan for patterns using the definitions. The other choices do not use definitions. Firmware updates rely on images, storage drives use drivers and administrators are user privilege type.
Find the value of the expression 5n² + 5n - 2 if n = -2.
Answers
5(4) - 10 - 2
20 - 10 - 2
10 - 2
8
How many values can a binary digit store?
A
A binary digit can store two values at a time.
B
A binary digit can store ten values at a time.
C
A binary digit can store one of two values (0 or 1).
D
A binary digit can store one of ten values (0-9).
Answers
Answer:
A.) A binary digit can store two values at one time
Explanation:
A single bit can only represent two different values. That's may not be very much, but that is still enough to represent any two-valued state.
which of the following best explains how data is typically assembled in packets for transmission over the internet?
Answers
Answer:
The Internet works by chopping data into chunks called packets. Each packet then moves through the network in a series of hops. Each packet hops to a local Internet service provider (ISP), a company that offers access to the network -- usually for a fee.Explanation:
Answer:
Do you have options given on the question?
Explanation:
Which of the following are advantages of using WYSIWYG? Check all of the boxes that apply.
You can focus on content.
You can find and debug problems in the code.
You can format text and apply styles without knowing much HTML.
You do not need much knowledge of HTML to create complex web pages.
Answers
Drag the items to the desired positions to alter the layout of a page. 3. Instead of looking for and putting content within HTML elements or utilising a complicated content management system, you can modify content (text or photos) in a WYSIWYG editor.
What are some instances of WYSIWYG?WYSIWYG, or "what you see is what you get," is a sort of editing software that enables users to view and modify information in a format that resembles how it would be presented on an interface, website, slide presentation, or printed document. For instance, a word processor uses the WYSIWYG idea when you write a document on it. When you print or send a document as a PDF, exactly the same information that you type into it will have been edited and formatted (ie. what you created on screen, you get). WYSIWYG (What-You-See-Is-What-You-Get) and manual coding are the two most popular ways to create HTML texts.To learn more about WYSIWYG, refer to:
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Answer: ACD-You can focus on content. You can format text and apply styles without knowing much HTML.
You do not need much knowledge of HTML to create complex web pages.
Explanation:
What is the problem, if any, with the following code?The desired output is [3,19].
>>> aList = [19,3]
>>> aList[O] = aList[1]
>>> aList[1] = aList[O]
>>>aList
•There is no problem.
•You need a temporary variable to hold the value 3.
•You need parentheses around 0 and 1, as in
aList(0) and aList(1).
•You need to import list to use a list.
Answers
Answer:
You need a temporary variable to hold the value 3.
Explanation: Other user is correct
The problem with the code is that you need a temporary variable to hold the value 3. which is the correct answer would be an option (B).
What is the temporary variable?A temporary variable in computer programming is a variable with a brief lifespan, typically used to retain data that will be deleted quickly or before it can be placed in more permanent program memory.
The problem with the code is that you need a temporary variable to hold the value 3.
In the first line of the code, the list is initialized with the values 19 and 3. In the second line, the value at index 0 is assigned to the value at index 1, which is 3. This means that the list now contains values 3 and 3.
In the third line, the value at index 1 is assigned to the value at index 0, which is also 3.
This means that the list now contains values 3 and 3, so the output is [3,3] instead of the desired output [3,19].
To fix this problem, you can use a temporary variable to hold the value 3 before assigning it to the other index. The code would look like this:
aList = [19,3]
temp = aList[0]
aList[0] = aList[1]
aList[1] = temp
aList
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You accidentally moved your task bar from the bottom of the screen to the left side. You would like to
prevent this from accidentally happening again. How would you accomplish this?
Answers
Answer:
by pressing yes
Explanation:
ik i am a tech god
Answer:
lock the taskbar
Explanation:
This is fairly self-explanatory. If I did happen to move my taskbar to the left side of the screen on accident, I would move it back to where it was, right click on the taskbar in an empty space and lock the taskbar so it can't be moved by dragging it around the screen.
How did Johann Gutenberg’s invention of a printing press with movable type affect Europeans?
Answers
The invention of a printing press with movable type by Johann Gutenberg affected Europeans by making it easier for them to print books. This in turn made it easier for people to learn to read and write.
What is printing press?
A printing press is a mechanical device for applying pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring the ink. Typically used for texts, the invention and spread of the printing press was one of the most influential events in the second millennium, revolutionizing communication and commerce. The ink is transferred to the paper through a series of rollers, which press the ink onto the paper.
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As a network administrator, Lea helps a small start-up set up a temporary network at a rented space. She configures a host computer with the IP address provided by the ISP to act as a router. Other computers in the network share the Internet connection through the host computer. After few hours, the owners of the start-up complain that they are not able to connect to the Internet.
Required:
What would Lea do to resolve the problem?
Answers
Business often needs internet connections to run their businesses online. What Lea should do to resolve the problem is that since the host computer was manually configured using ICS which was one of the major cause of the internet sharing. The best thing to do is to disable the ICS and then there will be no internet sharing.
Internet Connection Sharing (ICS) is known as a Windows service that helps an individual in their Internet-connected computer so as to share its Internet connection with other computers on a Local area network (LAN).
The Host computer often shares its Internet connection and acts as a gateway means. All traffic between other computers and the Internet go through this computer due to this connection. It gives Dynamic Host Configuration Protocol (DHCP) and network address translation (NAT) services for the LAN computers.
Conclusively, ICS enable a host computer to share the internet connection with other computer within the area and as such it's internet connection make have issues when a lot of other connects to it.
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4
Select the correct answer from the drop-down menu.
Which two technologies support the building of single-page applications?
and
are two technologies helpful in building single page applications.
Reset
Next
Answers
Answer:
DROP DOWN THE MENUS PLEASE SO WE CAN ACTUALLY ANSWER THE OPTIONS!!
Explanation:We need to see the questions please! ( :
Answer:
Angular JS
and
React
Explanation:
I got it right lol
Why do companies collect information about consumers? A. Because they want to meet new friends on social networks B. Because they take consumers' best interests to heart C. Because they want to effectively advertise to consumers D. Because they are looking for good employees to hire
Answers
Answer:
C. Because they want to effectively advertise to consumers.
Explanation:
Companies collect info for more accurate advertisements, which are designed to make people interact with them more commonly.
a(n) is an attack that always maintains a primary focus on remaining in the network, operating undetected, and having multiple ways in and out.
Answers
Advanced Persistent Threats (APT) is an attack that always maintains a primary focus on remaining in the network, operating undetected, and having multiple ways in and out
About Advanced Persistent Threats (APT)Advanced persistent threat (APT) refers to cyber attacks launched by attackers with substantial means, organization and motivation to carry out sustained attacks against targets. APT is developed in the sense that it uses stealth and multiple attack methods to compromise targets, which are often high-value corporate or government resources. These attacks are difficult to detect, remove, and attribute. Once a target is breached, backdoors are often created to provide the attacker with ongoing access to the compromised system.
APTs are persistent because an attacker can spend months gathering intelligence about a target and use that intelligence to launch multiple attacks over an extended period of time. This is threatening because perpetrators are often looking for highly sensitive information, such as the layout of a nuclear power plant or the code to break into a US defense contractor.
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joe, a mobile device user, is allowed to connect his personally owned tablet to a company's network. which of the following policies defines how company data is protected on joe's tablet?
Answers
Data in Joe's tablet can be protected by "BYOD (Bring Your Own Device) policy".
A BYOD policy defines how company data is protected on Joe's personally owned tablet when he connects it to the company's network. This policy outlines the rules and guidelines for accessing, storing, and securing company data on personal devices. It typically includes measures such as device registration, encryption requirements, data backup procedures, remote wiping capabilities, and acceptable use guidelines. BYOD policies aim to strike a balance between allowing employees to use their own devices for work purposes while ensuring the protection of sensitive company information.
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On the cities worksheet, click cell f4 and enter a formula that will subtract the departure date (b1) form the return date (b2) and then multiply the result by car rental per day value (f3)
Answers
Excel functions usually begin with the equal to sign, "=", Hence, the excel formula which does the calculation stated above is =(B2 - B1)*F3
The operation in the bracket is performed first, which uses the subtraction operation to deduct the departure date from the return date.The result of the bracketed operation is then multiplied by the number of car rentals per day, f3.Hence, the required function is =(B2 - B1)*F3
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(x86)
Write a program that correct an extra character in a string.
For example, in "Excellent time of dday to learn assembly programming" program should remove the extra d.
. data str BYTE "Excellent time of dday to learn assembly programming",0
.code
Answers
A program that shows and corrects an extra character in a string can be shown following steps.
The program is shown below
ORG 100H
.DATA
MSF 1 DB "Excellent time of day to learn assembly programming"
MSF 2 DB 10,13,"STRING BEFORE PROCESSING...s"
MSF 3 DB 10,13,"STRING AFTER PROCESSING...s"
.CODE
MAIN:MOV AX, at DATA
MOV DS,AX
MOV DX,OFFSET MSF 2
MOV AH,9
INT 21H
MOV DX,OFFSET MSF 1
MOV AH,9
INT 21H
;CALCULATINGN THE LENGTH OF THE STRING
LEA SI, MSF 1
MOV CX,0
BACK:
MOV AL,[SI]
INC SI
CMP AL,'s'
JE LABEL
INC CX
JMP BACK
;FINDING DUPLICATES IN THE FIRST LETTER OF EVERY WORD
LABEL:
LEA SI, MSF 1
RPT:
MOV AL,[SI]
INC SI
CMP AL,20H
JNE SKIP
MOV BL,[SI]
INC SI
MOV AL,[SI]
CMP AL,BL
JNE SKIP
DEC SI
MOV [SI],20H
INC SI
SKIP:
LOOP RPT
;DISPLAY
MOV DX,OFFSET MSF 3
MOV AH,9
INT 21H
MOV DX,OFFSET MSF1
MOV AH,9
INT 21H
HLT
RET
The output is shown in the image attached below:
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Security breaches are easier to address with which payment form?
Answers
Answer:
Cause #1: Old, Unpatched Security Vulnerabilities. ...
Cause #2: Human Error. ...
Cause #3: Malware. ...
Cause #4: Insider Misuse. ...
Cause #5: Physical Theft of a Data-Carrying Device
Explanation:
Answer:
i think the second one
Explanation:
7.6 lesson practice edhesive