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Q:

What is the concept of Application Cache in HTML5? What are its advantages?

Answer

The Application Cache concept introduced by HTML5 means that a web application is cached, and accessible without an internet connection.

There are three advantages of Application Cache:

1.Offline browsing - users can use the application when they're offline

2.Speed - cached resources load faster

3.Reduced server load - the browser will only download updated/changed resources from the server

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Subject: Web Technology

Q:

What is HTML5 Web Storage?

Answer

With HTML5, it is possible for the web pages to store the data locally in the user's browser. This web storage is much faster and secured than the cookies. Also, a larger amount of data can be stored without causing any adverse effect to the performance of the website.

The data here is not included with every server request. It is used ONLY when it is asked for. It is only that particular web page that can access the data stored by itself.

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Subject: Web Technology

Q:

What are the new features provided in HTML5?

Answer

Some of the new features provided in HTML5 are:

- It provides support for local storage

- New form controls, like calendar, date, time, email, url, search

- <canvas> element is provided to facilitate 2D drawing

- The <video> and <audio> elements are provided for media playback

- New content-specific elements are provided. For e.g. <article>, <header>, <footer>, <nav>, <section>

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Subject: Web Technology

Q:

Write an SQL Query find number of employees according to gender whose DOB is between 01/01/1960 to 31/12/1975.

Answer

SELECT COUNT(*), sex from Employees WHERE DOB BETWEEN ‘01/01/1960 ' AND ‘31/12/1975’ GROUP BY sex;

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Subject: SQL

Q:

What entry is recorded when $75.00 worth of supplies are purchased on account?

Answer

Purchasing good two kinds of entry

Either Cash or Credit

If Cash

Purchase A/c ------ Dr xx To Cash A/c

(Being good purchase on cash)

If Credit

Purchase A/c ---- Dr To Supplier A/c

(Being goods purchase on Credit)

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Subject: Accounts Payable

Q:

A sum is being lent at 20 % per annum compound interest.what is the ratio of increase in amount of 4th year to 5th year?

A) 4:5	B) 5:4
C) 5:6	D) can't be determined

Answer & Explanation Answer: C) 5:6

Explanation:

$\frac{P {(1 + \frac{r}{100})}^{4}}{P {(1 + \frac{r}{100})}^{5}} = \frac{1}{(1 + \frac{r}{100})} = \frac{100}{100 + r} = \frac{100}{120} = \frac{5}{6}$

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Filed Under: Compound Interest

Q:

Rs 1000 is being charged at 50% per annum. what is the interest for 3rd year at compound interest?

A) 1122	B) 1025
C) 1125	D) 625

Answer & Explanation Answer: C) 1125

Explanation:

Total amount for two years = $1000 \times {(1.5)}^{2} = 2250$

Now , interest for third year = $\frac{2250 \times 50 \times 1}{100} = 1125$

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Filed Under: Compound Interest

Q:

4 kg of a metal contains 1/5 copper and rest in Zinc. Another 5 kg of metal contains 1/6 copper and rest in Zinc.The ratio of Copper and Zinc into the mixture of these two metals:

A) 49 : 221	B) 39:231
C) 94:181	D) None of these

Answer & Explanation Answer: A) 49 : 221

Explanation:

Copper in 4 kg = 4/5 kg and Zinc in 4 kg = 4 x (4/5) kg

Copper in 5 kg = 5/6 kg and Zinc in 5 kg = 5 x (5/6) kg

Therefore, Copper in mixture = $\frac{4}{5} + \frac{5}{6} = \frac{49}{30}$ kg

and Zinc in the mixture = $\frac{16}{5} + \frac{25}{6} = \frac{221}{30}$ kg

Therefore the required ratio = 49 : 221

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Filed Under: Alligation or Mixture

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