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Explain the term- Tracker ball and Braille printers
Tracker ball
Easier to use than a mouse if people have problems using their arms and hands or if they have a coordination problemBraille printersDot matrix printers can be modified to produce raised dots (i.e. Braille) - this helps blind and partially-sighted people to read the output
Data validation is a significant concept in VBA. Application process and a custom dialog box can be used to accurate input errors. You can assign an application process to the fram
What is meant by branch instruction? A branch instruction is an instruction which changes the contents of the PC with the branch target address. This address is usually get by
failed logins to end
Define in brief about the Database Management Systems Databases (Database Management Systems - DBMS) Databases are used to organise and collect information. Most databas
WAR (write after read) - Data hazards in computer architecture: WAR (write after read) - j tries to write at destination before it is read by i , hence i wrongly gets the n
Q. Describe about Sole Access Protocol? The atomic operations that have conflicts are handled with the help of sole access protocol. The method used for synchronization in this
Classification of Systems Systems may be categorized as follows: a) Formal or Informal b) Abstract or Physical c) Closed or Open d) Automated orManual.
The VLSI technology is still developing. More and more powerful microprocessors and more storage space now are being put in single chip. One question that we have still not conside
Contraposition : The contraposition equivalence is as follows: So it may seem a small strange at first, this means that it appears which we have said nothing in the f
What is bus arbitration? It is method by which the next device to become the bus master is selected and bus mastership is transferred to it. There are two ways for doing this:
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