Which of these statements is true? Steve Jobs invented the mouse as an input device. Bill Gates invented the mouse as an input device. Douglas Engelbart invented the mouse as an input device. John Dvorak invented the mouse as an input device.

Answers

Answer 1

Answer:

Douglas Engelbart

Explanation:

In 1968 Douglas C. Engelbart  publicly present the first ever computer mouse at the fall joint computer conference in San Francisco.

The actual invention of computer mouse was in 1964.


Related Questions

Voip uses ________ technology similar to email to transmit voice over the internet. digital

Answers

The answer to this question is Digital technology.

Digital technology refers to the software and hardware that are used in our homes, schools, and offices which are evolving. Digital technologies are electronic tools like online games, social media, and mobile devices. Digital technology comprises of electronics like fast computers, portable devices, and networks with higher connections.

A video encoder is also commonly referred to as a ____________. a video encoder is also commonly referred to as a

Answers

A video encoder is also commonly referred to as a video codec. It is a circuit or a software that decompresses or compresses a video. The compressed video is formatted so as to conforms to a specific standard video compression specification. Examples are H.265/MPEG-H HEVC codecs, H.263/MPEG-4 Part 2 codecs and Microsoft codecs.

In order to use the commit command in oracle, you need to clear the check mark from the ____ check box.​

Answers

In order to use the commit command in oracle, you need to clear the check mark from the autocommit check box. The commit command is the transactional command used to save changes invoked by a transaction to the database and autocommit is the default transaction mode in Oracle and commits each action query as soon as the user executes the query.​

A circuit contains three resistors connected in parallel. The value of R1 is 2 K , the value or R2 is 6 K , and the value of R3 is 10 K . If the supplied voltage is 100 VDC, what is the total power in the circuit?
         
A. 2.18 W
   
B. 8.18 W
   
C. 7.67 W
   
D. 4.24 W

Answers

The value of total resistance of resistors connected in parallel is calculated through the equation,
      
                      R = 1 / (1/R1 + 1/R2 + 1/R3 + 1/Rn)

Substituting the known values,

                     R = 1 / (1/2 + 1/6 + 1/10)
                           R = 30/23 ohms

The formula for power with the use of resistance and voltage is,

                         P = V² / R

Substituting,
                         P = (100 V)² / (30/23 ohms)
                         P = 7.67 kW

Thus, the answer to this item is letter C.  

Which actions can be performed on tables in Word? Check all that apply.

adding rows
adding columns
deleting rows
deleting columns
changing column width
aligning tables
converting tables to text
converting tables to graphs

Answers

✓ adding rows
✓ adding columns
✓ deleting rows
✓ deleting columns
✓ changing column width
✓ aligning tables
✓ converting tables to text
✓ converting tables to graphs

Believe it or not, all of these actions are possible in MS Word.

All the actions from the above will be added and are considered as actions that can be performed on tables in Word.

What are tables in Word?

There are rows plus columns in a table. A compartment is a point where a row, as well as a column, meet. Tables have many more functions in addition to being frequently used to arrange facts and figures. It helps in making the data in a sorted order which means that the data will be according to the table.

adding rows feature is included in Wordadding columns  feature is included in Worddeleting rows feature is included in Worddeleting columns feature is included in Wordchanging column width feature is included in Wordaligning tables  feature is included in Wordconverting tables to text  feature is included in Wordconverting tables to graphs feature is included in Word

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What computer system was the first to run the unix operating system?

Answers

The Digital Equipment Corporation PDP-7 system was the first to run Unix as an operating system in 1969. Ken Thompson wrote the operating system on this computer. The PDP-7 is an 18-bit mini computer, first developed in 1965. This computer was considered inexpensive yet powerful at its time of development.

In object-oriented terms, a(n) ____________________ defines an object’s behavior

Answers

Do you have any answer choices?

A user reports that his macine will no longer boot properly. after asking several questions to determine the problem, you suspect the user unknowingly downloaded malware from the internet, and that the malware has infected the system

Answers

A malware is a software the capable to damage or disable computer programs. The user must reimage the machine or reprogram the system. It can be also boot from Windows installation and use the recovery environment to run a startup repair.

When you view the file list on the
c.drive, you will see the ____ folder?

Answers

When you view the file list on the
c.drive, you will see the users folder?

Having reviewed dod wireless stig (ver6, release 1), sarah learns she may only utilize secnet 54 and ______________ for transmitting classified information up to top secret.

Answers

Sarah learns she may only utilize SecNet 54 and SecNet 11 for transmitting classified information up to top secret.

SecNet 11 Plus is a family of encrypted 802.11b wi-fi networking products. The Army has also approved SecNet 11 as part of the classified Navy Marine Corps Intranet (NMCI) wireless solution. There are many products in SecNet 11 family, such as SecNet 11 Plus PC card, the SecNet 11 Wireless ridge, and the SecNet 11 Key Fill Cable etc.

Which option describes wearable technology?
A) The incorporation of technology into objects we use regularly
B) Rugged technology that can withstand the elements without much damage
C) Computing systems that derive energy from the user's biological processes
D) Mobile technology that is extremely portable
E) Extremely small and powerful computing systems

Answers

My opinion is the answers A and D. I would choose A if you can only choose one, though.

The incorporation of technology into objects we use regularly  best describes wearable technology; A) The incorporation of technology into objects we use regularly.

What is wearable technology?

The Wearable technology is smart electronic devices that can be fused into apparel or worn on the body as inserts or frill. Additionally a classification of innovative gadgets that can be worn by a shopper and frequently incorporate the following data identified with wellbeing and wellness.  

The Other wearable tech contraptions incorporate gadgets that have little movement sensors to take photographs and adjust with your cell phones.

This innovation offers the chance to build the wellbeing of shoppers, with numerous guardians preferring having the option to protect their children.

The incorporation of technology into objects we use regularly  best describes wearable technology; A) The incorporation of technology into objects we use regularly.

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"the most common way to access the internet is through ________."

Answers

The most common was is your phone

Software on the nas handles features such as data storage, file access, and file and storage management. true or false

Answers

True! pretty sure :D

Answer:

True

Explanation:

Which is the common name for a program that has no useful purpose, but attempts to spread itself to other systems and often damages resources on the systems where it is found?

Answers

its know as a virus (a program created to spread and maliciously harm computers)

Which type of fiber connector locks onto the jack when twisted locking connector straight connection straight tip subminiature type a?

Answers

The ST or a straight tip fiber optic connector

A ________ is a collection of forms, reports, queries, and programs that serves as an intermediary between users and database data.

Answers

Portfolio. can you mark brainiest answer?

A database application is a collection of forms, reports, queries, and programs that serves as an intermediary between users and database data. Thus option B is correct.

What  is Reports?

A report refers to any document or statement which provides information about any particular subject, or issues to the reader about any particular situation based on facts and supporting evidence.

Computer software known as a database application has as its main function the extraction of information from a digital database. As they offer a practical means of managing big volumes and various kinds of data, it is crucial for organizations.

It makes it simple to show how activities in one area of the company affect other areas, implementing a database management system will help you create a more detailed picture of your operations.

Therefore, option B is appropriate.

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The complete question is Probably

A ________ is a collection of forms, reports, queries, and programs that serves as an intermediary between users and database data.

A) metadata table

B) database application

C) database hierarchy

D) dimension table

Little circles located in front of various website screen options, which can be selected with the mouse, are called ________.

Answers

Little circles located in front of various website screen options, which can be selected with the mouse, are called radio buttons. The radio buttons are graphical elements which enable the user to choose one option from several given. It  is characterized as a circle and is used when the website visitor should choose one option.

To access an array element, use the array name and the element's ______.

Answers

index. E.g. if the array x is { 5,6,7,8 } the second element would be x[1] containing 6. Index is zero-based.

You can select a noncontiguous range of cells by pressing and holding the ________ key when using it in combination with other navigation keys and/or the mouse

Answers

Hey there!

I believe your answer will be the "Shift" key. You can hold down Shift and select a cell from your current cell position to select everything between the original position and the cell you clicked on without having to drag your mouse across the cells. If you were to hold down the Ctrl or Command key, you would only have your original selection and your new selection highlighted. 

Your answer will be Shift. 

Hope this helped you out! :-)

What to do when the tool bar for paint tool sai dissapears?

Answers

Click windows on the top of the SAI screen. Click the checks until you find what you're looking for.

If your BAL is .10 you can expect a _______ drop in complex performance compared to the sober level

Answers

36% is the answer to your question.

On a hard disk each track is divided into invisible wedge-shaped sections called _______

Answers

On a hard disk each track is divided into invisible wedge-shaped sections called sectors. The sector is a subdivision of a track on the hard disk that can be 512, 2048, or 4096 bytes large. A sector is also referred as block. It is usually made up of three parts: the sector header, the error-correcting code (ECC), and the area that actually stores the data.

Whenever a program or command is executed, the kernel assigns an identification number called a(n) ____ to the process?

Answers

PID, process identification.

Whenever a program or command is executed, the kernel assigns an identification number called a process idenitification number to the process.

What is a  process idenitification number?

A process idenitification number is a unique number that is assigned to a program upon execution. The program identification number is an identifier that separatest he program from others.  

Unix, macOS and Windows are some operating programs that assign the number to command  and programs after execution.

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You are boating on a lake. the weather turns bad. what should all passengers do first?

Answers

Answer:

Wear your life jackets

Explanation:

If you foresee bad weather, the best thing to do is to slow the boat down. Close all doors and windows. Stow all unnecessary equipment.

However, once inside the bad weather. The best thing to do is to wear your life jacket and make sure it is equipped properly. For any reason, you may fall overboard, the life jacket will help you stay afloat. Life jackets typically come equipped with lights and whistles. This would be vital for you to find fellow passengers. And vice versa, of course.

While boating on a lake and the weather suddenly turns bad, quickly advice all passengers to put on their life-jacket.

What is a life-jacket?

A life-jacket is a type of life saving jacket just as the name implies. It is used to suspend the individual that is wearing it on the surface of deep waters.

While traveling by a boat or carrying out a leisurely activity using a boat the following precautions needs to be taken:

Always put on the life-jacket while boating.

Always check the life-jackets to ensure its in good condition before boating

Always check for updates concerning the weather forecast to avoid boating in bad weather.

Therefore, while boating on a lake and the weather suddenly turns bad, quickly advise all passengers to put on their life-jacket.

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Liz will use a CD-R compact disk to write to more than once. Carlo will use a CD-RW compact disk to write to more than once. Who is using the correct disk for its purpose? 

       A. Only Carlo is correct.   B. Neither Carlo nor Liz is correct.   C. Both Carlo and Liz are correct.   D. Only Liz is correct.

Answers

A. Only Carlo is correct.

CD-R drives once burned cannot be reused, however CD-RW can be rewritten for up to 1000 times.

In which osi model layer does tcp operate?

Answers

In which OSI  model layer does TCP operate?
The TCP/IP stack has only 4 layers vs 7 of the OSI model.
1 Link & Physical
2 Internetworking
3 Transport 
4 Application 
TCP/UDP operates on the Internetworking layer
IP/ICPMand IGMP work on the Transport layer


ASAP

WHEN YOU WANT TO PASS A LARGE TRUCK IN THE CENTER OF THREE LANES, IT'S BEST TO PASS:

A. Quickly on the left and move ahead of it
B. Very slowly on the left and move ahead of it
C. Very quickly on the right and move ahead of it

Answers

I would recommend A. Quickly on the left and move ahead of it because you should always pass on the left and seeing as it is a large truck, you would want to get ahead of it ASAP.

A. Quickly on the left and move ahead of it

What is a large truck called?

In North America, the combination vehicles made up of a powered semi-tractor and one or more semitrailers are known as "semis", "semitrailers", "tractor-trailers", "big rigs", "semi-trucks", "eighteen-wheelers" or "semi-tractor-trailers".

What is a truck called?

Image result for A LARGE TRUCK

truck, also called lorry, any motor vehicle designed to carry freight or goods or to perform special services such as fire fighting. The truck was derived from horse-driven wagon technology, and some of the pioneer manufacturers came from the wagon business

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Horizontal scaling of client/server architecture means _____.

Answers

Horizontal scaling of client/server architecture means that more machines or more client workstation are added in the network. The impact on the network should be small and negligible. 
Vertical scaling on the other hand means that more power (processing units) are added in the network. 

The technology (software) that automatically downloads website information to your computer is called ________.'

Answers

a malicious program that repeatedly copies itself into a computer's memory .... the authoring language used to create documents on the World Wide Web. ... an interconnected system of internet computers(called servers) that support specially ..... software that automatically downloads information to personal computers.

A __________ is a collection of modems and other equipment in a local area that acts as an isp's gateway to the internet.

Answers

An point of presence (PoP) is a collection of modems and other equipment in a local area that acts as an ISP's gateway to the internet.  ISP stands for Internet Service Provider - the company that connects the client through his communications line to its servers, or central computer, which connects client to the internet via another company’s network access points.   The PoP is the interface point between communicating entities. 
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