Question
What is a Computer? What are its important features?
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Answer
“A computer is a data processor that can perform substantial computations, including numerous arithmetic and logic operations, without intervention of human operator during the run.”Important features:
- Computer is an automatic machine: Once the data and instructions are fed into a computer, it executes them one by one without human intervention.
- Memory or Storage: The memory of a Computer is so large that it can store any volume of information or data for being processed. Such informations can be stored in it on a permanent basis on magnetic discs, floppy discs, punched cards or microfilms etc. The information stored in it can also be recalled at any time when required.
- High Speed: Computers are known for their lightning speed of operations. The speed is so high that it is ordinarily expressed in microseconds (1 micro second $= \frac {1}{10,00,000}$ of one second). In other words, they can perform millions of operations in one second. Moreover, the calculations will be error-free and the speed is rapidly increasing day-by-day.
- Accurancy: Computers are extremely accurate. Their operations are error-free and as such the information obtained from it is highly reliable. Of course, sometimes we hear funny stories about the mistakes committed by the Computers. But the real culprit is not the computer but the operator who feeds inaccurate data into it. As such, in computer terminology, there is a word GIGO (Garbage in, garbage out).
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Prepare the trading and profit and loss account and balance sheet of M/s ontrol Device India on March 31, 2017 from the following balance as on that date.
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| ₹ | |
| Sales (including Cash Sales ₹ 2,00,000) | 5,00,000 |
| Purchases (including Cash Purchases ₹ 1,20,000 | 4,00,000 |
| Vijay's Drawings (in Cash) | 40,000 |
| Salaries to Staff | 48,000 |
| Bad Debts written off | 4,000 |
| Trade Expenses paid | 16,000 |
Write three advantages of AIS.
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Stock $₹\ 25,400$; Furniture $₹\ 15,000;$ Prepaid expenses $₹\ 1,000.$
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Actual drawings were not known but his living expenses are $₹\ 1,000$ p.m. Depreciate furniture by $10\%.$ Interest on loan is due $@ 12\%$ p.a.
Ascertain his profit or loss for the year $2012-13$ & prepare final statement of affairs.
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Adjustments:
Adjustments:
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