Operating System (OS) Which of the following is a type of systems software used on microcomputers? PC-DOS MS-DOS All of these Unix None of these PC-DOS MS-DOS All of these Unix None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A critical region is a program segment where shared resources are accessed a program segment that has not been proved bug-free one which is enclosed by a pair of P and V operations on semaphores none is the above a program segment that often causes unexpected system crashes a program segment where shared resources are accessed a program segment that has not been proved bug-free one which is enclosed by a pair of P and V operations on semaphores none is the above a program segment that often causes unexpected system crashes ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is a measure to test how good or bad a modular design is All of these Module strength Static analysis Module coupling None of these All of these Module strength Static analysis Module coupling None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands? index addressing auto increment None of these auto decrement indirect addressing index addressing auto increment None of these auto decrement indirect addressing ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Block or buffer caches are used to handle interrupts to improve disk performance to speed up main memory read operation to increase the capacity of main memory None of these to handle interrupts to improve disk performance to speed up main memory read operation to increase the capacity of main memory None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The memory allocation scheme subject to "external" fragmentation is None of these segmentation multiple contiguous fixed partitions pure demand paging swapping None of these segmentation multiple contiguous fixed partitions pure demand paging swapping ANSWER DOWNLOAD EXAMIANS APP
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