May 28, 2015

Homework Help: Computers

Branches of Computers

Recent Computer Questions

Once you defragment a computer, do you lose files in your history or bookmarks or anywhere? If that's true, is there any way to get them back? Defragging should not erase any of those types of files. Only when you use specific delete commands or use the Disk Cleanup ...
Saturday, May 26, 2007 at 5:02pm

Why do we need to learn topology(or also know as networking)such as nodes? I have to answer this question for a math report I am doing about them. Since this is not my area of expertise, I searched Google under the key words "networking topology" to get these ...
Friday, May 25, 2007 at 10:45am

if you have the sign of > or < does this also mean = ???? so confused my problem is -3x+2y=7 x+4y=-7 how do I do this? please help No. The sign < or> does not include equal. On computers we often just do this => for equal or greater than. or this: >=. In ...
Thursday, May 24, 2007 at 9:16pm

____ may occur when an essential factor is in short supply. commensalism mutualism mating competition Please anwser ASAP thanks. When gasoline is in short supply, what is the result (besides high prices!)? When personal computers were relatively new, and there were far fewer ...
Monday, May 21, 2007 at 1:49pm

I can write it instead
<Thanks to computers, writing may soon become a lost art.> Leo, a similar prediction is often made about arithmetic since the invention of the calculator. in one of Isaac Asimov writings they discover a man who is actually able to perform an operation like 368 x 4821 ...
Tuesday, May 15, 2007 at 5:35pm

Computer Development
How has the history of computers changed over the years? The history of computers has changed over by the years by the growth of technology and te different computers that grow to be invented to work better and faster. Ways to answer the question would be to look at: --Speed ...
Friday, May 11, 2007 at 4:55pm

I am supposed to type out a report, but our Microsoft Office Word program is messed up somehow. I have the letters set to Times New Roman size 8... but they're HUGE!!!!!!!! So big I can only fit about 5 sentences on a page. Also, at the end of every line, there is a weird ...
Friday, May 11, 2007 at 12:13pm

im an only child and parents are too busy to help so, i need to interview someone that went to school 20 years ago and i was wondering if anyone would like to help me. Theses are my 7 questions because i already have 3 answered: 1.How was school like back then for you? 2.What ...
Sunday, May 6, 2007 at 6:03pm

immediate constituents
i really don't understand this..can someone explain? f.e.Divide into immediate constituents: 1.Full-scale computers have a large number of programs 2.We must change all the programs tomorrow 3.Tomorrow will be a holoday free Thank you for using the Jiskha Homework Help ...
Tuesday, May 1, 2007 at 6:33am

Is there a way to delete the record of a site you have been to: ex. if you went to Google, but then every single time you type in w w w . g it comes up with "google" right below, is there a way to stop that from happening?? You might want to try clearing the history...
Tuesday, April 24, 2007 at 7:03pm

Create a class named Checkup with fields that hold a patient number, two blood pressure figures (systolic and diastolic), and two cholesterol figures (LDL and HDL). Include methods to get and set each of the fields. Include a method named computeRatio() that divides LD ...
Wednesday, April 18, 2007 at 6:54pm

Could you please help me write a program using basic or visual basic that would prevent spam/unsolicited e-mails computers. You have to be kidding. If not, you need a reality check. Do you actually think anyone will do that for you free? Tens of hours are involved, maybe even ...
Tuesday, April 17, 2007 at 10:33am

? about this website
I have another question about this website. Are you guys all teachers and perfessors.? Thank you all for helping with my home work when ever I needed it. Many of us are teachers/professors. Always happy to be of help. retired mathteacher here retired chemistry prof here. ...
Monday, April 2, 2007 at 2:58pm

Information MGT
Name one emerging technology that is helping create new business opportunities and/or helping enhance or better already existing business environments. After studying computers, then switching fields, I find it hard to answer this question since technology changes so much. So ...
Thursday, March 29, 2007 at 10:47pm

Information MGT
How would today's business environment's be affected if we decided to get rid of all computer and information systems? Do you think it would have a serious affect on the global economy considering that mankind has been involved in various businesses much before the ...
Tuesday, March 27, 2007 at 9:11pm

ARE THESE CORRECT? Over the yrs, the O'Connell Company has been switching from typewriters to computers. At once time the company had 815 typewriters which were wearing out at a rate of about 60 per year. At the same time, they had 500 computers and were adding 75 per year...
Monday, March 19, 2007 at 4:45pm

this isnt really a school question but i have a question about the sun wouldnt load any of my games using it but whenever i deleted it and using the regular java...its working doesnt make any sense...please i hope someone can explain this to me...i dont ...
Monday, March 19, 2007 at 4:16pm

math ,hep, plz
can someone help explain this for me please... Problem #1 What values for x must be excluded in the following fraction? (x+5)/(-1) Problem #2 what values for x must be excluded in the following fraction? (x-3)/((4x-5)(x+10)) When working with fractions, the denominator (part ...
Sunday, March 18, 2007 at 1:35am

how could I put the Word Count on my research paper? If you are using Microsoft Word, it's pretty easy. Once you have finished the text of your research paper, but before you add the title and works cited pages, have the document open, go to the menu called Tools, and ...
Wednesday, March 14, 2007 at 10:35pm

I really need help with this question. I keep doing it wrong so can anyone help me please. ----------------------------------------​-------------------- ------- The maori novelty company makes a variety of souvenirs for visitors to New Zealand. The Otago division ...
Tuesday, March 13, 2007 at 5:06pm

Organic Chemistry Q for DrBob222
Hello again, Does this look right for Hex-1-yn-4-one? O ¨U CH3 ¨C CH2 ¨C CH2 ¨C C ¨C CH2 ¨C CH3 Spacing is a REALLY big problem with computers and boards of this type so I can't tell where the carbonyl group is located. First, should the yn you have...
Tuesday, March 13, 2007 at 7:15am

Management Accounting
I really need help with this question. I keep doing it wrong so can anyone help me please. ----------------------------------------​-------------------- ------- The maori novelty company makes a variety of souvenirs for visitors to New Zealand. The Otago division ...
Monday, March 12, 2007 at 7:19pm

when working in notepad, i need to use pop-up boxes (alert, confirm,etc). When a user presses ok more boxes come up. however if the user presses cancel i want them to go back to the homepage (thus stopping the other boxes from coming up). how do i do that? This is hard to ...
Saturday, March 3, 2007 at 7:02pm

when working in notepad, i need to use pop-up boxes (alert, confirm,etc). When a user presses ok more boxes come up. however if the user presses cancel i want them to go back to the homepage (thus stopping the other boxes from coming up). how do i do that?
Saturday, March 3, 2007 at 6:18pm

Suppose George is makeing $18 an hour installing electronic chips in handheld computers. Would your offer to work for $8 an hour get you the job? Why might a profit-maximizing employer turn down your offer? This is a bit of an open ended question. My offer to undercut george ...
Monday, February 26, 2007 at 7:23pm

the director of an insurance companies computing center estimates that the companies computer has a 20% chance of catching a computer virus. However they feel that there is only a 6% chance of the computers catching a virus that will completely disable the operating system. If...
Friday, February 23, 2007 at 4:37pm

what files do i need for windows 1998 and 2000? What do you mean what files do you need? ..... to run windows 98? or what? be more specific Thank you for using the Jiskha Homework Help Forum. More than the system you are running, what kind of computer do you have? If you need ...
Thursday, February 22, 2007 at 1:00pm

how do i upgrade the bytes on a computer? Do you mean adding memory? That's referred to as adding RAM (random access memory). Wherever you bought your computer, there will be people who can help you decide what to buy and maybe even install it for you. =)
Thursday, February 22, 2007 at 12:58pm

Can i have more then two IDE in my computer? yes or no and why?
Thursday, February 22, 2007 at 12:57pm

how do u erase the history from you computer for good places you've been on the internet? yea but i mean in general also for the internet, there is a green arrow going around a clock on a buttonbeside the favourites button. click it. now go to the today section. right ...
Monday, February 19, 2007 at 7:29pm

What are Active X controls? Are we supposed to "enable" or "disable" them? does not matter​control.html You have to use your judgment, depending on which program seems to be requiring it.
Thursday, February 15, 2007 at 6:56pm

what does this mean: what are some of the immediate concerns of computer ethics today?? sorry i am albanian and i do not understand english very well The concern of fraud, and fake sites. The concern of abuse of children The concern of the unrestricted sex discussion. The ...
Wednesday, February 14, 2007 at 4:40pm

why do we need computer ethics? Why should we need ethics at all? The next question is why should computers change that? that doesnt answer me question Actually, it does. Think. Are you clear on the meaning of the word "ethics"? Then ...
Wednesday, February 14, 2007 at 3:48pm

business presentation
Sometimes, technology and visual aids can be more of a distraction than a helpful component to a presentation. Provide an example of this from the real world (focus on a business presentation)? How could it be changed to be more effective? tough one Just recently on the news ...
Monday, February 12, 2007 at 10:52pm

What are the main points to consider when choosing a monitor? What is the footprint? The user's eye sight. Cost. There may be othrs.
Friday, February 9, 2007 at 5:27pm

Subjects Art Business Computers English Foreign Languages Health Home Economics Mathematics Music Physical Education Science Social Studies Features Contribute Experts Forum Job Openings Homework Tips Libraries.Jiskha Link to Us Reference Parents & Teachers School Supplies ...
Thursday, February 8, 2007 at 8:54am

what happens if the hotfix you are installing is older than the systemscurrently installed service pack?
Tuesday, January 30, 2007 at 2:13pm

why does a computer need a floopy drive as well as a hard drive It doesn't . None of my computers have floppy drives. Floppy drives were used in ancient times to have portable data input/export. These days we use CD/DVD drives and flash drives for portable data devices. =)
Friday, January 26, 2007 at 3:19am

description for
A few of you have noted that Google's description of is ineffective on the search results. It currently reads: ----- Articles, games, humor and puzzles for many school areas including art, computers, English, foreign languages, health, home economics, ...
Wednesday, January 24, 2007 at 2:59pm

I don't understand possibilities curves at all. I have to convert a table into a curve using labels A-F. I have no clue how to figure it out. Help would be greatly appreciated! The x-axis and the y-axis should be Good A and Good B (they should give this to you), and plot ...
Monday, January 22, 2007 at 8:46pm

What is a PC? "PC" can stand for several things. In our society right now, the most common references are these: Politically correct Personal computer I'm sure there are plenty of others!! =) One thing it stands for is personal computer. But I'm sure there ...
Friday, January 19, 2007 at 3:48pm

third grade math
how do you check addition problems by adding up? Let's use this addition problem as an example. 21 35 ___ First you add 1 + 5. To check your work, add up, 5 + 1. If you have a column of numbers and you go down each column to add them together, that's normal, right? 36 ...
Sunday, January 7, 2007 at 10:14am

for David, French
Thank you for using the Jiskha Homework Help Forum. I have been unable to read your question because of "error, Gateway timed out" BUT since I know you are requesting a translation site to do long sentences correctly, let me post what I wrote yesterday for the same ...
Tuesday, December 19, 2006 at 9:43pm

6. Show the effect of each of the following events on the market for labor in the computer manufacturing industry. Use graphs. a. Congress buys personal computers for all American college students. Wouldn't the demand curve shift to the right while the supply curve stays ...
Monday, December 4, 2006 at 4:25pm

Can anyone help me solve this : Assume that you have a disc-system with 300 256-byte sectors pr. track and assume that the disc rotates with 800 rpm. How long time does it take to read a sector? The answer should be in microseconds. Search time isnt needed. Solved it myself. ...
Friday, November 24, 2006 at 11:15am

Are hackers ethically wrong? What should we do about hackers? I think we should protect ourselves from hackers. What do you think? your suggestions? Yes. Hackers are ethically wrong. They are intruding into and disrupting a private space. Just as we lock our doors, we should ...
Sunday, November 19, 2006 at 12:51pm

how do I tell the main difference between simm and dimm in electronic and physical? Also I don't know the question of "explain an upgrade to a Compaq R4000 computer to the maximum amount of memory. It currently contains two 512M modules."
Monday, November 13, 2006 at 3:28pm

what unit of measurement is used for font size? what is the difference between 'serif' font and 'sans serif' font? Name 6 different serif fonts and 6 different sans serif fonts. Make a list of different ways you can find to emphasise a text. http://psychology....
Friday, October 27, 2006 at 8:26am

Windows XP Security-NEED ASAP
12. You are called by a department manager who wants one of his employees to have access to a specific document in the manager’s home directory. The department manager wants to retain the file in his own home directory, rather than move it to a share. You successfully ...
Sunday, October 22, 2006 at 3:22pm

The logistic growth model p(t)=0.90/1+3.5e^-0.339t relates the proportion of new personal computers sold @ Best Buy that have Intel's latest coprecessor t months after it has been introduced. a) what proportion of new personal computers sold @ Best Buy will have Intel'...
Thursday, October 19, 2006 at 12:21pm

Which sentence is correctly punctuated. 1. The cost, and size of computers are decreasing, almost as rapidly as processing power is increasing. 2. Database management systems were originally large, unwieldly, and ready to use. 3. A factory closing means the community loses ...
Tuesday, October 17, 2006 at 8:36am

software designers
please describle and compare the three basic ways in which software designers enable users to enter commands into computers I use my mouse, I use a light pen, I use my keyboard, and I can use my microphone.
Wednesday, October 11, 2006 at 8:00pm

Intro Statistics
Please let me know if I'm on the right track. Probability of Computer Failures. A PC World survey of 4000 personal computer owners showed that 992 of them broke down during the first two years. (The computers broke down, not the owners.) In choosing among several computer ...
Sunday, October 8, 2006 at 3:09pm

the def of the shift key? "The shift key is a modifier key on a keyboard, used to type capital letters and other alternate "upper" characters." From wikipedia =) Depending on what applications you are using, the shift key can modify other commands. for ...
Tuesday, October 3, 2006 at 11:34pm

Windows XP help.
I have a few questions on my assignment over Windows XP could you please check them? Thanxs! Short Answer 17. Danni, an employee of a small medical group, manages a network of 30 PCs running Windows XP Professional on NTFS volumes. Eight of the PCs, located in three different ...
Monday, September 25, 2006 at 1:19pm

What learning resources are avavilable over the Internet?​s_qdr=all&q=+%22learning+resources+avail​able+on+the+Internet%22
Wednesday, September 20, 2006 at 9:43pm

What sources can users learn more about computers? Since you have a computer and access to the internet, you should use search engines to narrow your quest for information.
Wednesday, September 20, 2006 at 9:30pm

What ways do software designers enable users to enter commands into computers? Sound (particular words), keys, numbers, text written into cells, light pens, and keywords (such as sin or tangent). There really is no limit to the ways it can be done. I just thought of others.......
Sunday, September 17, 2006 at 8:03pm

How does Significant Figures work? If i had a number: 1,007,000 is that with 4 sig figs or 7 sig figs? I checked 5 different resources and gotten conflicting answers. Help! The answer will depend on what's being measured and how it's being measured. If that number were...
Thursday, September 14, 2006 at 9:32pm

Is the term "You run a marathom differently than you run a track event" not an English example of polymorphism?
Thursday, September 7, 2006 at 9:07pm

An exception is not an error created when a try-catch statement is used. Is this correct?
Thursday, September 7, 2006 at 9:00pm

computers again
what is the difference between motherboard speed and the processor speed for computers such as the 80386DX Your use of the term "motherboard" speed is outdated. I assume you mean motherboard bus speed. Processor speed can be higher than that, and normally, it is a ...
Thursday, September 7, 2006 at 2:21am

computers please help
Hi i'm taking a intro to technology class and we have this assignment where we take different types of computers and find information. but i'm stuck. i need to find the speed of the motherboard for all of them. here's a list of them i have find for: 80386Dx, ...
Wednesday, September 6, 2006 at 8:37pm

what is the difference between technological obsolescence and functional obsolescence? This article has an excellent explanation of the similarities and differences.​e
Monday, August 28, 2006 at 12:25pm

who would be responsible for computerized records damage due to a hacker or power surge, the owner or the custodian or manager owner
Sunday, August 6, 2006 at 4:39pm

understanding computers
could u tell me of several computer applications(familiar with) that wheather are primary effective or efficient. exp. doing homework by computer, company web sites,store scanner etc.-effective or efficient WhY? After browsing the 2 links at the bottom, try to find any aspect ...
Saturday, July 8, 2006 at 12:26am

understanding computers
The 3 ways in which software designers enable to enter commands into computers. Describe and compare. The three I can think of are the keyboard, the number pad, and the mouse. Your teacher, however, may think of the keyboard and number pad as the same thing. Describing and ...
Saturday, July 1, 2006 at 11:15pm

electricity and electronics
a transformer has a primany voltage of 115 v and secondary voltage of 24 v if the number of tures in the primany is 345 how many turns are in the secondary The voltage ratio Vsecondary/Vprimary = 24/115 = 0.209 This equals the turns ratio Nsecondary/Nprimary = Nsecondary/345...
Wednesday, August 10, 2005 at 3:19pm

How much was the first computer? Cost of the first computer? You have to be more specific. The first digital computer? The first electric analog computer? The first "personal" computer (PET)? The first mechanical analog computer? The earliest computers were room-...
Thursday, June 16, 2005 at 11:36am

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