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Question:
(a) Provide types of computer systems and briefly describe each one.
(b) With the help of example, explain the difference between open source software, freeware and shareware.
(c) Nowadays many people, whether at home or in business, make use of applications software to facilitate their lives. Describe two productivity software and for each one, define its purpose.
(d) A port is a connecting socket on the outside of the system unit. Differentiate between the serial port and parallel port, give examples for their uses.
Explain deadlock detection algorithm for single instance of each resource type. For single instance of each resource type the deadlock detection algorithm: (i) Maintain a wa
define multipoint communication
Describe five bit even parity checker. Ans: Five bit even parity checker: EX-OR gates are utilized for checking the parity as they generate output 1, while the input ha
What is chattering as applied to mechanical switches used in digital systems and why do they occur? What is its effect on the functioning of a sequential circuit? Ans Chat
S tends to aAS/a and A tends to SbA/SS/ba
Q. What is Serial Mouse? Mice that use standard serial port are known as 'serial'. Because Serial ports 1 and 4 (COM1, COM4 under DOS, /dev/ttyS0 and /dev/ttyS3 under Unix/GNU-
DUPLICATING PROCESSES : As we mentioned earlier duplicating is a process whereby a master copy is prepared from which a large number of other copies are obtained with the help of
A field containing currency amounts (data type CURR) must be assigned to a reference table and a reference field. Explain. As a reference table, a system having all the valid
Q. Returns information about present virtual machine? int pvm_parent( void ) Returns the tid of process which spawned the calling process. int pvm_tidtohost(
Constant Voltage Sources An ideal constant voltage source maintains a given voltage across its load regardless of the current drawn from it .Most 'every-day' power supplies a
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