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Explain Real Time Operating System?
Real time operating System:
A real-time operating system has suitably-defined, fixed time constraints. Processing should be done in the defined constraints or else the system will fail. A real time system is seems to function correctly only if this returns the accurate result in any time constraints. Therefore the following features are desirable in a real-time operating system (OS):
1. Multi-tasking in an application
2. Capability to define the priorities of tasks
3. Priority deadline or driven oriented scheduling
4. Programmer defined interrupts.
Explain SNMP (simple network management protocol). Once SNMP is used the management station sends a request to an agent asking this for commanding or information this to update
Address phase: A PCI bus transaction starts having an address phase. The initiator, after seeing that it has GNT# and the bus is inactive, drives the target address onto the
With respect to security, which one is the better choice? .Net or J2EE? Explain? As per majority programmers .NET is the best one which have single vendor compare to, the
How many select lines will a 16 to 1 multiplexer will have ? Ans. For 16 to 1 MUX four select lines will be needed to select 16 (2 4 ) inputs.
What is Clock Gating? Clock gating is one of the power-saving methods used on several synchronous circuits with the Pentium four processors. To save power, clock gating consid
Q. Explain XNOR gate with three input variable and draw necessary circuits. Q. Simplify FOLLOWING Using K-Map 1. m0 + m1 + m6 + m7 + m12 + m13 + m8 + m9 2. m0 + m2 + m4 +
Q. Example on hamming error correcting code? For illustration a 4-bit matching word can stand for 2 4 =16 values that range from 0 to 15 as: 0000, 0001, 0010, 0011, 0100, 01
A disk drive with removable disks is known as removable drive. A removable disk can be replaced by other similar disk on same or different computer so providing huge data storage w
In TCP protocol header "checksum" is of___________? In protocol header of Transfer Control Protocol checksum is of 16 bits.
Write a script called addnames that is to be called as follows, where classlist is the name of the classlist file, and username is a particular student''s username. ./addnames cla
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