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Q. Standards for scan codes ?
There are 3 standards for scan codes: Mode1 (83-key keyboard PC, PC-XT) and Mode2 (84-key AT keyboard) and Mode3 (101-key keyboard onwards). In Mode1 Make and Break codes are single bytes however different for same key. In Mode2 and Mode3 Make code is a single byte though Break code is two bytes (byte F0(Hex) + the make code).
Q. Show the Mailing lists on Internet? Another exciting aspect about E-mail is that you can find groups of people who share your interests-whether you are inclined toward games
How many logical drives is it possible to fit onto a physical disk? Ans) Maximum of 24 logical drives can be fit into physical disk. The extended partition can only have 23 lo
Explain about subsystem and object of object oriented modeling A subsystem is a grouping of elements of that constitutes a specification of behaviour offered by other contained
Explain services of Application Layer. Application Layer: As the highest layer within the OSI reference model, the application layer gives services to the users of OSI env
If for a short period of time circuits goes to some dissimilar logic level then it is assumed to have then it is known as static hazard e.g. If the final logic value of output of a
Question : a) Hard disk is an important component of a computer. What type of memory is it? b) With the help of a diagram describe its features. c) Explain its working pr
What is an on"*-input filed" statement? ON *-INPUT The ABAP/4 module is known as if the user has entered the "*" in the first character of the field, and the field has th
Why floating point number more difficult to represent and process than integer? In floating point numbers we have to show any number in three fields sign, exponent and mantissa
What is a system call? A system call is a request made through any program to the operating system for performing tasks, picked by a predefined set, that the said
Q. Illustrate Domain Name System? Domain name is a name which is given to a network for ease of reference. Domain refers to a group of computers which are known by a single com
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