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COP 4600 EXAM QUESTIONS AND 100% CORRECT ANSWERS
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COP 4600 EXAM QUESTIONS AND 100% CORRECT ANSWERS...
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COP 4600 EXAM QUESTIONS AND 100%CORRECT ANSWERS
What does the CPU do? - ANSWER performs actual computation, carries out
instructions
What is memory? - ANSWER RAM location that stores data and programs used by the
CPU
What is the system bus? - ANSWER communication medium between CPU, memory and
peripherals
What does an OS store to save the current state of the CPU? - ANSWER data within the
registers and the program counter itself is also a register
What is an API? - ANSWER An application programming interface allows interactaction
directly with the underlying service through function calls.
What are the names of dual-modes? - ANSWER User mode
Kernel mode
What is a mode bit? - ANSWER a bit that determines if the user is running in user mode
or kernel mode
If an instruction is flagged as "privledged", what does that mean? - ANSWER instruction
only can be run if in kernel mode
, What is a process? - ANSWER A program in execution
What type of coding data is located on the stack? - ANSWER Function parameters,
return addresses and local variables
What is program code otherwise referred to as? - ANSWER text section
What type of coding data is stored in the data section? - ANSWER global variables
What kind of coding data is contained within a heap? - ANSWER dynamically allocated
memory
How many program counters does a single threaded processor have? - ANSWER one
How many program counters does a multi-threaded processor have? - ANSWER one per
thread
NEW state in a process state - ANSWER process is being created
RUNNING state in a process state - ANSWER instructions being executed
What is the WAITING state in a process state? - ANSWER process is waiting for some
event to occur
What is the READY state in a process state? - ANSWER process is waiting processor
assignment
What is the TERMINATED state in a process state? - ANSWER process has finished
execution
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