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System Software
System software is a group of programs written to service another programs. Some system software (e.g., compilers editors and file management utilities) processes are difficult but determinate information structures. Other systems application (e.g., operating system components drivers telecommunications processors) process largely indefinite data. In both cases the systems software area is characterized by serious interaction with computer hardware heavy usage by numerous users; concurrent operation that needs scheduling resource sharing and sophisticated process management ; multiple external interfaces and complex data structures.
What is microfilm? This is a photographic reproduction of a document greatly decreased in size from the original on fine grain, high resolution film. Microfilm needs a reader f
Q. MICRO-PROGRAMMED CONTROL? A substitute to a hardwired control unit is a micro-programmed control unit in which logic of the control unit is specified by a micro-program. A m
create a stored procedure to debit a bank account user must enter account no. and amount to debited from account .the minimum balance in account should be 500. if the debited amoun
Q. How to Transmits data in the active message buffer? int pvm_bcast( char *group, int msgtag ) Transmits data in the active message buffer to a group of processes. msgt
Explain briefly Dead code Elimination of the commonly used code optimization techniques Dead code Elimination: Code which is unreachable or which does not influence the pr
Explain the meaning of CONNECT socket primitive. The connect Primitive: Clients utilize procedure connect to establish connection with an exact server. The form is
Q. Explain Processing of an Interrupt? The interrupt is processed as: Step 1: Number field in INT instruction is multiplied by 4 to get its entry in interrupt vector table.
In MS-DOS device drivers are installed and loaded dynamically it implies that they are loaded into memory when computer is started or re-booted and accessed by operating system as
What is the decimal equivalent of the hexadecimal number 'A0' ? Ans. The decimal equivalent value is 160 of the hexadecimal number 'A0'. As A 0 16 1 16 0 =
Logical shift A logical shift operation transfers 0 through serial input. We apply symbols shl and shr for logical shift left and shift right microoperations, examples:. R1
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