Program Status Word Notes: Definitions & Explanations PDF Download
Study Program Status Word lecture notes PDF with operating system definitions and explanation to study “What is Program Status Word?”. Study program status word explanation with operating system terms to review operating system course for online degree programs.
Program Status Word Definition:
A register or set of registers that contains condition codes.
Operating Systems by William Stallings
Program Status Word Notes:
The Program Status Word (PSW) is a collection of data which is 64 bits long. It keeps track of the current state of the system. The bits present in the Program Status Word reflect the current CPU state. It also contains the information necessary for proper program execution.
Keep Learning with Operating System Notes
What is Internal Fragmentation?
Internal fragmentation is the wasted space inside a block. The reason of this happening is the rounding up from the ...
What is Macrokernel?
A very rare term often used to define kernel in a bigger picture. Macrokernel is a special Operation System core ...
What is Session?
A session is a collection of process groups, and all members of a process group are members of the same ...
What is Malicious Software?
Malicious software also called Malware (Mal from Malicious and ware from Software) is any software program that brings harm to ...
What is Cluster?
A cluster is a group of servers and other resources that act like a single system and enable high availability ...
What is Processor?
A processor is an integrated electronic circuit that performs the calculations that run a computer. A processor performs, input/output (IO), ...