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Electric typewriter : Electric typewriters are similar to standard typewriters but with an electronic motor taking the place of human energy. It is much faster than the standard model. They can produce up to 20 copies of a document if paper of appropriate thickness is used. The slightest touch of fingers sets the keys in motion and the impressions produced are uniform and perfect. Electric typewriters are commonly preferred because of the speed of typing, fineness and uniform quality of the print. Besides they are good for cutting stencils, typing, invoices and preparing material for printing.
Explain the Trackball and Thumbwheel devices Joysticks A joystick consists of a small, vertical lever (called the stick) mounted on a base that is used to steer the screen
There are basically two methods of copying: Photocopying This is a modified development of photography. It is quite expensive and slow and is not often used for routine rep
What are the methods for handling deadlocks? The deadlock problem can be dealt with in one of the three ways: a. Use a protocol to prevent or avoid deadlocks, make sure th
Define data type and abstract data type comment upon the significant of both
What is the Gray equivalent of (25) 10 Ans. Gray equivalent of (25) 10 : The Decimal number 25 has binary equivalent as (00100101) 2 The left most bits (MSB) into gray
OLAP can process difficult queries and give the output in less than 0.1 seconds, for it to achieve like performance OLAP uses aggregations. Aggregations are built by aggregating an
What is a table pool? A table pool (or pool) is used to join several logical tables in the ABAP/4 Dictionary. The definition of a pool having of at least two key fields and a
Discuss in detail the features, benefits and implementation of JIT inventory system. JIT - Just in Time inventory systems - meaning, origin, need for JIT, benefits, Use of JIT
What is meant by Questionnaires This includes sending out questionnaires to the work force or/and to customers to find out their views of existing system and to find out how.
What are the advantages and disadvantages of a Smart Card? Advantages of Smart Card: 1. It gives convenience & support for multiple currencies over borders. 2. Used
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