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What are privileged instructions? Some of the machine instructions that may cause harm to a system are designated as privileged instructions. The hardware permits the privilege
Explain the basic method of paging method. Physical memory is divided into the fixed-sized blocks called frames. Logical memory is as well divided into blocks of the same size
Q. The instance of handshaking used 2 bits: a busy bit as well as a command-ready bit. Is it probable to implement this handshaking with only 1 bit? If it is illustrate the protoc
FIFO is named as 'named pipes'. FIFO (first-in-first-out) is a special file which is laid to be data transient. Once data is load from named pipe, it cannot be load again. Also, da
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
Define the DosExecPgm Functions used in the OS/2 DosExecPgm (objBuffer, objLen, flags, cmdLine, env, &resultCode, execName) DosExecPgm function is designed to load an execut
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
What is a file path name? A list of the subdirectories, directories, and files we must traverse to reach a file from the root directory.
Q. What are the reasons for process suspension? Reasons for process suspension 1. Swapping 2. Timing 3. Interactive user request 4. Parent process request
Q. What is the basic function of Assembler ? Input to an assembler is an assembly language program. Output is an object program and information which enables the loader to prep
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