Answer:
AtanasoffBerry Computer. It was built by physics Professor John Vincent Atanasoff and his graduate student, Clifford Berry, in 1942 at Iowa State College, now known as Iowa State University.
Explanation:
The First computer is called The Babbage Difference Engine.
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The output signal from an analogue sensor is sampled every 195 µs to convert it into a digital representation. What is the corresponding sampling rate expressed in kHz?
According to the Sampling Theorem, for this sampling rate value, what approximately could be the highest frequency present in the signal, in kHz, assuming the lowest frequency is very close to zero?
If each sample is now quantised into 512 levels, what will be the resulting bitrate in kbps?
Give your answer in scientific notation to 2 decimal places.
Hint: you need to determine the number of bits per sample that produces 512 quantisation levels.
Answer:
A sample rate is just reciprocal of the sample period. According to sampling theorem the highest frequency in single would be [tex]5.13/2=2.565 KHz.[/tex][tex]2^8=512[/tex] So you will need 8 bits to represent.[tex]8 bits \times5.128\times(10)^3[/tex]samples [tex]=41.026[/tex] bits per second.Explanation:
Sample period of 1 millisecond [tex]=1 kHz.[/tex]
Thus a sample period of [tex]0.195[/tex] milliseconds is
[tex]1/0.195=5.12820513 Hz[/tex]
To determine the sample after [tex]512[/tex] levels quantization, we need to find bits per sample that produces [tex]512[/tex] quantization levels.
Thus,
[tex]2^8=512[/tex]
So you will need 8 bits to represent.
8 bits [tex]\times5.128\times(10)^3[/tex] samples [tex]=41.026[/tex] bits per second.
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where do I go to ask help from a tech and internet expert. security and protection. I'm open to suggestions and guesses
Answer:
from my own experience, the best place to call is your local Best Buy store. they have a group of technicians called the Geek Squad, and you can either call them for tech support or protection suggestions, or have them do maintenance on a device (both in store and at home)
Sample outputs with inputs 9 5 2 -1 in python.
Selection sort starts at the beginning of the list and compares pairs of data items as it moves down to the end.
a) true
b) false
Answer:
false
Explanation:
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State the major different between fours types of computers
Answer:
1. Supercomputers
Supercomputers are very expensive and very fast. They are the most powerful computers we have in the world.
Supercomputers are optimized to execute only a small number of programs. This makes it possible for them to execute these few programs at a very high speed. Due to their inhibiting cost, they are used in high-end places like in scientific research centers. The supercomputer consists of thousands of processors, allowing it to clock in at very high speeds measured by petaflops.
These computer types are also very large in size due to the numerous parts and components involved in their design.
A good example of a supercomputer is Tianhe-2, which is located in the National Supercomputer Center in Guangzhou, China. It features 3.12 million cores, allowing it to run at speeds of 33.86 petaflops.
2. Mainframe Computers
These are large and expensive computers that are capable of supporting thousands of users simultaneously. They are mostly used by governments and large organizations for bulk data processing, critical applications, and transaction processing. They are ranked below supercomputers.
3. Minicomputers
Minicomputers are mid-sized computers. In terms of size and power, they are ranked below mainframes. A minicomputer is a multiprocessing system capable of supporting from 4 to about 200 users simultaneously.
The use of the term minicomputer has diminished since the introduction of microprocessors. These machines are now more commonly called midrange computers.
4. Microcomputers
A microcomputer, also known as a personal computer, is designed to be used by one user at a time. The term microcomputer relates to the microprocessor that is used for the purpose of processing data and instruction codes. These are the most common computer types since they are not very expensive
Shift all elements by one to the right and move the last element into the first position. For example, 1 4 9 16 25 would become 25 1 4 9 16.
Answer:
i see you but i dobt see it
Explanation:
Which part of a powertrain control module retains diagnostic trouble codes (DTCs), freeze-frame data, and learned data
Answer:
Memory and storage section
Explanation:
How could the company benefit by applying Agile principles?
Answer:
The company could benefit by applying Agile principles managers' job easier and allows them to have greater control over their projects.
general description of the problem
Explanation:
problem is the misunderstanding misbehaviour etc which harm us and others
A matter or situation regarded unwelcome or harmful is known as problem
Worksheet-I • Make a list of 10 application software and 5 utility programs installed in your computer, along with their uses. Uses Applications Type
Answer:
An antivirus is a utility software that helps to keep the computer virus-free. Moreover, it notifies when any malicious file is detected and removes such files. In addition, it scans any new device attached to the computer and discards any virus if there. Moreover, it also scans the system from time to time for any threats and disposes of them. Examples of antivirus are McAfee Antivirus, Quick heal Antivirus, Windows Defender, etc.
These utility software are used to manage files of the computer system. Since files are an important part of the system as all the data is stored in the files. Therefore, this utility software help to browse, search, arrange, find information, and quickly preview the files of the system.
An important part of a computer is storage space, it is very important to maintain this storage. Therefore, we use certain utility software to compress big files and decrease their size, these are compression tools. The format of the files changes while compressing and we cannot access or edit them directly. In addition, we can easily decompress the file and get the original file back. Examples of compression tools are WinZip, WinRAR, 7-Zip, etc.
These utility software are used to manage data on disks. Moreover, they perform functions like partitioning devices, manage drives, etc. Examples of disk management tools are Mini Tool Partition Wizard, Paragon Partition Manager, etc.
This utility software helps to free up the disk space. In addition, the files which are no longer in use are removed from the disk. Examples are Cortex, C Cleaner, etc.
Explanation:
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1.
In which of the following situations should you use your
vehicle's hazard lights?
A. You're stopped on the side of the road with an engine that won't start.
B. You're driving toward the shoulder because you hear a strange noise.
C. You're driving in the rain and your headli
s aren't functioning.
D. You're driving slowly because you just spilled coffee on your lap.
Answer:
B
Explanation:
trust
Which bar displays the name of the application?
Answer:
Title bar displays the name of the application.
Suppose now the file is broken up into 1000 packets with each packet
containing 4,000 bits. Suppose that each packet is acknowledged by the
receiver and the transmission time of an acknowledgement packet is
negligible. Finally, assume that the sender cannot send a packet until the
preceding one is acknowledged. How long does it take to send the file?
Answer:
The delay to send each packet will be ttrans + tprop. However there is an additional tprop delay for the acknowledgement packet to arrive at the sender, prior to which the next packet can be transmitted. Hence the total delay to transmit 10 packet is = 10 * (ttrans + 2 tprop) = 10*(40 msec + 80 msec) = 1.2 sec
Explanation:
write a c++ program to find the factorial of a number.
Answer:
I'm not gonna use recursion for this program.
#include <iostream>
using namespace std;
int main()
{
int input,factorial=1;
cout<<"Enter a number to get it's factorial: ";
cin>>input;
for(int i=1;i<=input;i++)
{
factorial *=i;
}
cout<<"The factorial of the number you entered is: "<<factorial;
return 0;
}
in MS Word we can merga cells
I do not understand your question could you change it?
How far should robots be allowed to influence people's lives?
Answer:
robots should be allowed to influence people's lives in a limit because we don't know the future if because of this small mistake robots can rule us so , we should be prepared from now
What the central difference between negative and positive politeness?
Answer:
Politeness is universal, resulting from people's face needs: Positive face is the desire to be liked, appreciated, approved, etc. Negative face is the desire not to be imposed upon, intruded, or otherwise put upon.
Positive face refers to one's self-esteem, while negative face refers to one's freedom to act. Participants can do this by using positive politeness and negative politeness, which pay attention to people's positive and negative face needs respectively.
What are positive face needs?One's face need is the sense of social value that is experienced during social interactions. Positive face refers to the need to feel accepted and liked by others while negative face describes the will to do what one wants to do with freedom and independence.
Negative politeness :
Making a request less infringing, such as "If you don't mind" or "If it isn't too much trouble"; respects a person's right to act freely. In other words, deference. There is a greater use of indirect speech acts.
What is politeness in discourse analysis?In sociolinguistics and conversation analysis (CA), politeness strategies are speech acts that express concern for others and minimize threats to self-esteem ("face") in particular social contexts.
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The digital system usually operated on?
Answer:
The digital systems usually operate on binary number system.
20pts! WILL MARK BRAINLIEST ANSWER FAST PLZ!
A ______ is the equivalent of an electronic doorway between a network and a node
Answer:
I think its wan..........
Answer:
i think it might be "header"
Explanation:
jjhb ft fv tuning Denise l Debbie
Answer: is Debbi
Explanation: and what
What are some of the innovations that colored television has undergone since its original invention? (include the date of the innovation)
Answer:
Color television was sold to viewers as a way to experience everything from sports and nature to musical theater in a more legible, realistic, captivating, and sensational way.
Explanation:
When is innovation good, and when is it problematic?
Answer:
Innovation is the ability to change the course of the future. ... Finally, innovation is neither good nor bad, however, it is always new. When done correctly it has the power to impact, improve and change the way we live, work and interact. Every company should aspire to be a leader in innovation
Explanation:
You have just installed anti-malware software on all computers on your company's network. Which of the following additional actions would be BEST to take to help protect systems from malicious software?
a. Train users to scan removable storage devices before copying files
b. Disconnect all computers from the internet.
c. Require strong passwords in the local security policy.
d. Configure all computers with a screen saver password.
e. Configure the software to automatically update its definition files.
Answer:
The answer is A, E
Explanation:
In what ways are computers being used to improve our quality of life
Answer:
computers help with our education systemcommunicating with others is easier (emails/text messages opposed to sending an envelope)technological advancesWhat are the benefits of transferable skills? Check
all of the boxes that apply
-They are easier to develop than job spectie
skills
-They help a person develop self esteen
-They are necessary for job advancement
-They allow easy cross-company transfers
-They open up a variety of employment
options
-They can replace many IT Skills.
Answer:
Option 1,2,4,5 are correct ..
Explanation:
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Which model of communication focuses on the meaning that emerges in a relationship between communicators?
a. Transactional
b. Symbolic
c. Complementary
d. Linear
Answer:
QUESTION
Which model of communication focuses on the meaning that emerges in a relationship between communicators?
[tex]==============================================
[/tex]
CHOICES
a. Transactional
b. Symbolic
c. Complementary
d. Linear
[tex]==============================================
[/tex]
ANSWER
a. Transactional
[tex]==============================================
[/tex]
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Describe the inter-relation and linkage in between traditional knowledge, indigenous knowledge and modern technology.
Which of the following computers would be used in a large corporation to complete huge processing needs, such as airline reservations?
15. Virus cannot infect files that are saved in i. USB ii. CD-ROMs iii. Memory card iv. All of them
Answer:
all of them
Explanation:
but Virus can infect them if u plug them in infected computer .
Answer: CD Roms. Virses can infect each other item by actually writing to the device. For CD Roms, you must have a special writer program to write to the ROM.
Explanation:
we can not split the cell true or fasle
Answer:
You can't split an individual cell.
Explanation:
You can't split an individual cell, but you can make it appear as if a cell has been split by merging the cells above it.
