# computer help!!

3,787 results, page 4
1. ## math

A small group of employees in a company get viruses on their computers. Every hour, each computer infects one other computer. If it takes 8 hours for 100 computers to be infected, how long would it take for only 50 computers to be infected?
2. ## computers

You are Purchasing a computer for your dads cabinet shop the shop has tons of sawdust and dirt that circulate throughout the building in which the computer would be located what type of input device would be ideal for this environment? a.mechanical mouse
3. ## Accounts

I have a question and I need to prepare the final accounts. In the additional information one of the questions is as follows: Machinery is depriciated at 10% per annum using the Straight Line Method, whilst Computer Equipment is depreciated at 15% per
4. ## Statistics

Hello Can you help me It is reported that 72% of working women use computers at work , choose 4 working wonen at random . Find the probability that : A : all 4 use a computer at their work B : at least one does not use a computer at work Please help me
5. ## maths.reposting as i need a non algebraic way to s

A computer table, 4 bar stools and a cabinet costs a total of \$352. Each bar stool costs 1/5 as much as the computer table. The cabinet costs \$40 less than the table. a)How much is the computer table b)What is the difference in the cost between the cabinet
6. ## College Physics

What is the smallest capacitor needed in a computer power supply in order to supply at least 0.2 A of current for 0.35 s after the power goes off? (DATA: Assume that the resistance of all the components of the computer mother board is 5 Ω and it uses
7. ## Spanish

Schools in Mexico _______. a. have no computers b. have 10 to 12 computers c. are working to increase the student/computer ratio*** d. have plenty of computers because they work with large computer companies Just checking my work:) *** - My Answer Thanks,
8. ## Finite Math

6. A computer company has two manufacturing plants, one in Rochester and one in Queens. Transporting a computer from Rochester to the retail outlet takes 15 hours and costs \$15, while transporting a computer from Queens to the retail outlet takes 20 hours
9. ## Computer Science

I am learning in my computer science class about algorithms. My teacher wrote on the board: n= 1 running time= 1 3 1+1= 2 7 1+2= 3 15 1+3= 4 31 1+4=5 63 1+5= 6 127 7 255 8 511 9 1023 10 How in the world does this happen? It has something to do with log n
10. ## math

Last month, Nate spent 12% of his paycheck on car repairs and 25% of the remainder on food. He gave \$1,320 of the remaining money to his parents and then bought a computer on sale. If the usual price of the computer was \$825 and the discount was 20%, how
11. ## math

Last month, Nate spent 12% of his paycheck on car repairs and 25% of the remainder on food. He gave \$1,320 of the remaining money to his parents and then bought a computer on sale. If the usual price of the computer was \$825 and the discount was 20%, how
12. ## Math

A 20000 business computer depreciates at a rate of 15% per year. What is the following equations would model the value of the computer.. Y=20000 (.15) Y=20000 (.85) Y=20000 (1.15) Y=20000 +15x
13. ## English expression

1. It's a kind of shopping by computer. 2. It's a kind of shopping on the computer. 3. It's a kind of shopping on-line. 4. It's a kind of on-line shopping? --------------------------------- Are they all the same? Can we use 'on the computer' instead of 'by
14. ## Math

Andy set his computer to beep every 6 min. and to chirp every 10 min. His computer just beeped and chirped at the same time. In how many min. will it next make both sounds at the same time?
15. ## English

1. This computer is such a slow thing that I can't use it. 2. This computer is such a slow thing that i can't use. (Which one is correct?) 3.This computer is so slow that I can't use it. 4. This computer is so slow that I can't use. (Which one is correct?
16. ## Math

Of the 597 students at Duzine Elementary School, 19% have a computer at home. About how many students have a computer at home?
17. ## computer

how to format my xp computer
18. ## Computer

What are the disadvantages of having a computer??
19. ## probability

A company ships computer components in boxes that contain 20 items. Assume that the probability of a defective computer component is 0.2. Find the probability that the first defect is found in the seventh component tested. Round your answer to four decimal
20. ## CIS 105

I need help with the following assignment: o Distinguish between computer data represented by the state of a computer’s electrical switches and the meaningful information that is displayed to the user. I have read the course material 3 times already and
21. ## Computer Tech

I am doing a powerpoint/photoshop project in my computer tech class about a singer that has recently become famous in the world of music. The artist I am researching is Ariana Grande. When I was looking for her albums I found two: Daydreamin' and Yours
22. ## English

1. He is using the computer. 2. He is working on the computer. 3. He is working at the computer. (Which one is correct? What is the corrct preposition?) 4. The round trip air fare is one of the cheapest one. 5. The one way ticket to the country is very
23. ## MATH

6. A computer company has two manufacturing plants, one in Rochester and one in Queens. Transporting a computer from Rochester to the retail outlet takes 15 hours and costs \$15, while transporting a computer from Queens to the retail outlet takes 20 hours
24. ## Statistics

A computer manufacturer is about to unveil a new, faster personal computer. The new machine clearly is faster, but initial tests indicate there is more variation in the processing time. The processing time depends on the particular program being run, the
25. ## college

A computer manufacturer is about to unveil a new, faster personal computer. The new machine clearly is faster, but initial tests indicate there is more variation in the processing time. The processing time depends on the particular program being run, the
26. ## statistics

A computer manufacturer is about to unveil a new, faster personal computer. The new machine clearly is faster, but initial tests indicate there is more variation in the processing time. The processing time depends on the particular program being run, the
27. ## computer

17. Which of the following sources likely has the most reliable information? A. A graduate student's blog that was updated ten months ago B. A company-sponsored website with detailed citations C. A computer science textbook written by an expert in the
28. ## Math

last years computer model is on sale for \$799. you can add more memory to the computer. each chp of 8 megabytes of memory costs \$25. how many megabytes can you add if you have at most \$1,000 to spend? write and solve an inequaality
29. ## maths help plz

A computer table, 4 bar stools and a cabinet costs a total of \$352. Each bar stool costs 1/5 as much as the computer table. The cabinet costs \$40 less than the table. a)How much is the computer table b)What is the difference in the cost between the cabinet
30. ## computer

name the four major types of components that makeup a computer. C__ P__ UNIT (CPU) R___ or M __ memory (RAM) Auxiliary S____ ____ put Units ____ put Units
31. ## Computer

Assume that a computer is to decide whether a student passes or fails based on the average marks obtained in 5 subjects. A student passes if the average mark is 50 or above. Identify the input,processing&output of this operation.
32. ## English

1) I find it difficult to describe activities people normally do when working on the computer (on "Microsoft Word", for example). Can you help me? (For example: I switch on the computer, then I click on the icon "word" and wait for it to open. I type in my
33. ## 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
34. ## Powerpoint #3

okay, I need to do a powerpoint for this career "computer animation" I need help writing a simple, short, punchy paragraph or list. Yet able to get the message across to the audience. Heres the question I have to answer: What is a computer animator?
35. ## English

Subject names at school are as follows. math,science, social studies, computer science,etc. --------------------------------------------------- Can we use 'information' instead of 'computer science' as a subject name?
36. ## Math

Ben say his computer screen is 5 decimeters long.kim says her computers screen is 52 centimeters long.who computer screen is longer?
37. ## English Expressions

1. I work in that building across the street. 2. I am a computer programmer/ a computer scientist. 3. I am a banker/ bank clerk / bank employee / teller / 4. I am an information provider. 5. I am a prosecutor. 6. I am a lawyer/attorney. (Are both the same?
38. ## Computer technology

To explain why “commonality” is important,the 2000 Presidential election was affected by apparently confusing punch cards in Florida. In that scenario, the interaction of humans with technology failed to prove consistent and resulted in a recount that
39. ## Fine Art 7 (computer club)

Ok I'm making a comic books for computer club/fine art 7 and I can't think of any titles. 1) Love Hurts 2) Charming Smiles 3) I Was Born this Way Please Help!!! Thank You!!!!
40. ## Computers

What does the program 7-Zip do for the files on your computer? A. It provides security for your computer when you're not using it. B. It closes Windows when you're working in other programs. C. It helps you move quickly through a variety of Internet tasks.
41. ## math

Suppose a computer virus begins by infecting 8 computers in the first hour it is released. Each hour after that, each newly infected computer causes 8 more computers to become infected. The function y = 8 (exponent x) models this situation. make a table
42. ## graphics

other than speed of production, what are two advantages of CAG (computer aided graphics) over manual methods? Thank you for using the Jiskha Homework Help Forum. Because it is faster, it is more energy conscious and leads to more profitability. In
43. ## Statistics

The time per week a student uses a lab computer is normally distributed, with a mean of 6.2 hours and a standard deviation of 0.9 hour. A student is randomly selected. a. Find the probability that a student uses a lab computer less than 4 hours per week.

Computer catalog has a computer monitor that is 19 inches. The 19 inches is the diagonal distance across the screen. If the screen is 10 inches in height, what is the width of the screen to the nearest inch?
45. ## Technology in the Classroom

A software package that you would like to run on your classroom computer lists a 486 computer as a minimum requirement. On which of the following compputers would you expect the software to be able to run?
46. ## Technology in the Classroom

A software package that you would like to run on your classroom computer lists a 486 computer as a minimum requirement. On which of the following computers would you expect the software to be able to run?
47. ## Microeconomics

A computer company produces affordable, easy-to-use home computer systems and has fixed costs of \$250. The marginal cost of producing computers is \$700 for the first computer, \$250 for the second, \$300 for the third, and \$350 for the fourth, \$400 for the
48. ## math

the price of a computer fell 20% this year, if the computer now cost \$850, how much did it cost last year?
49. ## Emac Computer

Say if you put a password on a emac computer and then forgot about it, how do you unlock it? Is there any way to bring up that password?
50. ## computers

Scenario: You have been employed as the IT Director for the ABC Company. The company comprises 15 employees and it has not upgraded its computer system since 1996. Project: The President of the Company has asked you to replace the computers in every

52. ## digital literacy

what is an search engine? A-a website that searches specific information on the world wide web. B-a piece of hard ware that allows your computer to search for information. C-an external device that keeps your computer running. d-an piece of software that
53. ## English

1) Can you please suggest an internet site listing everyday computer language? In particular, I need to carry out some research on computer phrasal verbs as well as on phrases, English people normally use when referring to their conputer work. 2) By the
54. ## psychology

20 You are trying to boot your computer but your computer keeps displaying a message after the POST that says â€œ'invalid specificationâ€. What does the error mean?â€ a. an attempt to overclock the primary drive has failed. b. The hard drives
55. ## Probability

Another Probability Question- A computer manufacturer is about to unveil a new, faster personal computer. The new machine clearly is faster, but initial tests indicate there is more variation in the processing time. The processing time depends on the
56. ## Vocabulary

Does this sentence demonstrate the correct usage of the word "contrast"? One contrast between a laptop computer and an iPad is the iPad is smaller than a laptop computer.
57. ## Computer

Why should you give a Device an IP address? Since this is not my area of expertise, I searched Google under the key words "IP address" to get these possible sources: http://en.wikipedia.org/wiki/IP_address http://www.webopedia.com/TERM/I/IP_address.html
58. ## I.C.T.

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
59. ## finance

Your company will generate \$45,000 in cash flow each year for the next nine years from a new information database. The computer system needed to set up the database costs \$260,000. Assume you can borrow the money to buy the computer system at 8.25 percent
60. ## math

between 1998 and 2004, the number of college freshman who planned to get a professional degree computer science can be reasonably modeled by f(x)=-348.2x^2+1402x+13,679 where x=0 represenjts 1998. based on this model, in what year did the percent of
61. ## Child Care

4. Which of the following is not a reason why an early childhood teacher would choose to use a virtual field trip over live, hands-on experience? A. The teacher doesn't like leaving the classroom. B. The location is too far away. C. The actual trip would
62. ## computer probblem!!!

anybody know why my computer wont completely download...it stops in the middle of the download!!! I suggest discuss this with your parents. parent??? i am the parent..lolol I don't know what's causing this problem. Who can really tell what's going on
63. ## Physics

In doing a load of clothes, a clothes dryer uses 16 A of current at 240 V for 45 min. A personal computer, in contrast, uses 2.7 A of current at 120 V. With the energy used by the clothes dryer, how long (in hours) could you use this computer to surf the
64. ## mathematics (word problems)

A prize for a computer contest includes a computer worth 1/2 of the value of the prize, a monitor worth 1/2 of the remaining value, a modem worth \$200, and software worth \$150. What is the total value of the prize. This is so challenging, I need help.
65. ## algebra

A recent study shows that the number of Australian homes with a computer doubles every 8 months. Assuming that the number is increasing continuously, at approximately what monthly rate must the number of Australian computer owners be increasing for this to
66. ## Math

A company is planning to produce and sell a new line of computers. The fixed cost will be \$320,000 and it will cost \$600 to produce each computer. Each computer will be sold for \$800. 1. Write the cost function, C, of producing "x" computers.
67. ## Mathematics .

I need some help with this specific question. In a computer catalog, a computer monitor is listed as being 19 inches. This distance is the diagonal distance across the screen. If the screen measures 10 inches in height, what is the actual width of the
68. ## computer

In my computer i had virus i booted the C drive the has gone i have downloaded each and everything know my question is my speaker are not making any sound and volume control box is not opening there is written there are no active mixer available to install
69. ## computer science

You work for a company that requires you to compute the average temperature for 8 A.M. to 6 P.PM. each day. You are to computer program to compute the average temperature.

Which of the following sentences DOES NOT illustrate subject- verb agreement. 1.Each of the players need a locker. 2.He said that the computer is broken. 3.There go the members of the cast. 4.We knew that rivers flow south. 1.Each of the players need a
71. ## math

Im the same person from my other questions! Two stores sell the same computer for the same original price. Store A advertises that the computer is on sale for 25% off the original price. Store B advertises that it is reducing the computer’s price by

Please give me some insight on a law hypo...? This is the hypo: Joe received an advertising brochure from X Corp. in the mail. The brochure contained a photo of a Peach 442 computer, and above it the statement, "While supplies last. All Peach computers on
73. ## algebra

Robin bought a computer for \$1,250. It will depreciate, or decrease in value, by 10% each year that she owns it. a) Is the sequence formed by the value at the beginning of each year arithmetic, geometric, or neither? Explain. b) Write an explicit formula
74. ## Physics

im trying to study for my exam by doing problems, however im stuck with this one. any help is appreciated In doing a load of clothes, a clothes drier uses 16 A of current at 240 V for 59 min. A personal computer, in contrast, uses 2.3 A of current at 120
75. ## computer science

Mercy Hospital decides to install a netwrok to serviceits various wards and operating rooms and emergency room that will give them scheduling capibilities in real time. The ER and OR have less than 10 computer total but need preference to the server that
76. ## math

Last year's computer model is on sale for \$799. You can add more memory to the computer. Each chip of 8 megabytes of memory costs \$25. How many megabytes of memory can you add if you have at most \$1,000 to spend.
77. ## math

Last year's computer model is on sale for \$799. You can add more memory to the computer. Each chip of 8 megabytes of memory costs \$25. How many megabytes of memory can you add if you have at most \$1,000 to spend.
78. ## Math(Pre-algebra)

Ok, my question is ‘ last year the price of a certian computer was 150\$ more than it is now. This year's price is 3/4 of last year's price. How much does the computer cost this year?‘. Can someone explain to me how to create an equation for this?
79. ## Calculus

a) The value of a computer after t years after purchase is v(t) = 1000e^(-0.45t). At what rate is the computer's value falling after 5 years? b) Assume that the total revenue received from the sale of x items is given by R(x) = 32 ln (5x+3), while the

A computer manufacturer assembled 21,000 computers in October. For the month of November, they expect to double production. If a worker can assemble one computer per day, how many workers will be needed to complete the job in 28 days? a. 1,500 workers b.
81. ## Math

Raffle. There is a prize drawing for a new computer and a new stereo system. Suppose there are 1500 raffle tickets sold. The computer is worth \$1000 and the stereo is worth \$500. If the ticket cost \$5, what is the expected value if you purchase one ticket?
82. ## algebra1

How do I solve this x/3=-4? multiply both sides by 3 Please stop posting under sundry names. You are doing yourself no good. What do you mean by sundry names? What's up with you telling me this because I don't know what you mean? My name is Kevin Shaw!
83. ## English

1. We often stay up late playing computer games. 2. We often stay up late while we play computer games. 3. We often stay up late while we are playing computer games. ------------------------------- Does #1 mean #2 or #3? Are they all the same in meaning?
84. ## Science/English

Here is my Science presentation, I'm having trouble with the last two sentences. What would you put as the last two sentences? Computer Technology My presentation is about how computers have changed from the past to the present. Then what I think is going
85. ## MIS

assume you have a computer that contains 2 GB memory . It contains four memory slots . Each slot can contain 128 MB,256 Mb,512 MB,1 GB or 2 GB memory modules. currently ,each slot contains a 512 MB memory module . Determine which of these combinations is
86. ## statistics

What is the probability that a student in a college of 650 students in both a math major and a computer science major ( assuming these events are independent) If there are 72 math majors and 105 computer science majors?
87. ## QUERY -COMPUTER

hi i want to have antivirus in my computer, would u plse suggest me which should i go for . well i have also antivirus called ESET NOD32 Antivirus 6 plse tell me is it good antivirus or okay-okay.
88. ## algebra

i need to download a graphing calculator onto my computer. i have tried grapgcalc . com and gcalc . com but my computer will not dowmload from these sites. anyone know where i can download a graphing calculator?
89. ## Data Mangement- Math

The diagram represents the computer network between the department offices in a high school. The network can send data from one computer to another using any number of intermediate connections, but the data can pass through each connection only once. How
90. ## Clarify: Category and Type

What is the difference between category and type? I'm in an info tech class and the teacher wants us to research 3 main categories of computer viruses and 3 types of computer viruses. But aren't category and type basically the same thing? Thanks for help.
91. ## Math

A computer program is designed so that, when a number is entered, the computer output is obtained by multiplying the number by 3 and then subtracting 4 from the product. If the output that results from entering a number x is then entered, which expression
92. ## statistics

There are 44 mathematics major and 163 computer science majors at the college. How many ways are there to pick 2 representatives, so that one is a mathematics major and the other is a computer science major?
93. ## computer graphics

You purchase the latest "must have" computer video game from the store. The game has fantastic graphics but it runs rather slow on your computer. What must you do to increase the performance of the game? 1. Install a GVA adapter that has more ROM. 2.
94. ## decision science

The university computer lab has 10 computers which are constantly being used by students. Users need help from the one lab assistant fairly often. Students ask for help at a Poisson rate of an average of 4 requests per hour for any one computer. the
95. ## communication

paragraph response describing the advantages and disadvantages of the physical presence, written/printed, and electronic/computer communication channels, and explaining how the components and processes of communication apply to the electronic/computer
96. ## computer

I need to do the degrees celcuis and fahrenheit abreviations on my computer document, can someone tell me what keys to use. oC & oF. Do you want to post them on this board or is this a document you are writing. If the latter, what program are you using. If
97. ## computer science

CSI 16 1 Group Assignment 1 201 3 P age 2 of 6 1. 1. How many milliseconds (ms) are in 1 second? 2. How many microseconds are in 1 second? 3. How many nanoseconds (ns) are in 1 millisecond? 4. How many microseconds are in 1 millisecond? 5. How many
98. ## statistics

The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computer-science course. The results were as follows. (Give your answers correct to two decimal places.)
99. ## math

The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computer-science course. The results were as follows. (Give your answers correct to two decimal places.)
100. ## Information Technology (2 Qs)

1) Order the following components in order of their speed starting from the fastest, and ending with the slowest: CD, Random Access Memory (RAM), Tape, Cache. 2) A computer system may have an extremely fast process, and extremely fast memory, yet the