Define Computer. Why it is called data proces
Write the advantages and disadvantages of OCR.
What is register ? Describe various types of register
Answers
Answer:
- A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos.
- A computer is known as a data processor because it changes raw data that is not in useful form such as tables, figures etc into processed data known as information that is useful. Processing includes manipulating, storing, accessing and transmitting.
Advantages of Optical character Reader (OCR) :
Following are the advantages or advantages of OCR :
Information of OCR can be readable with high degree of accuracy. Flatbed scanners are very accurate and may produce reasonably top quality images.
Processing of OCR information is fast. Large quantities of text are often input quickly.
A paper based form are often became an electronic form which is straightforward to store or send by mail.
It is cheaper than paying someone amount to manually enter great deal of text data. Moreover it takes less time to convert within the electronic form.
The latest software can re-create tables also as original layout.
This process is much faster as compared to the manual typing the information into the system
Advanced version can even Re create tables, columns and even produce sites.
Disadvantages of Optical character Reader (OCR) :
- Following are the drawbacks or disadvantages of OCR :
OCR text works efficiently with the printed text only and not with handwritten text. Handwriting must be learnt by the pc.
OCR systems are expensive.
There is the need of lot of space required by the image produced.
The quality of the image can be lose during this process.
Quality of the ultimate image depends on quality of the first image.
All the documents got to be checked over carefully then manually corrected.
Not 100% accurate, there are likely to be some mistakes made during the method.
Not worth doing for little amounts of text.
- Registers are a type of computer memory used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU. The registers used by the CPU are often termed as Processor.