OSG(review) exam NeweSt 2025/2026 with COmplete
QueStiONS aNd COrreCt aNSwerS |already Graded
a+||BraNd New verSiON!
Which are two fundamental models of interprocess communication - ANSWER-shared memory,
message passing
Dual mode of operating system has - ANSWER-2 modes( kernel mode and user mode)
One that is not a peripheral device of the computer system is - ANSWER-Register
Which system call returns the process identifier of a terminated child - ANSWER-Exit
If a kernel thread performs a blocking system call. - ANSWER-the kernel can schedule another
thread in the application for execution)
User threads are supported above the kernel and are managed without kernel support
FIFO scheduling is - ANSWER-Non Preemptive Scheduling
Suppose that a process is in "Blocked" state waiting for some I/O service. When the service is
completed, it goes to the - ANSWER-Ready State
To access the services of operating system, the interface is provided by the - ANSWER-System
calls
In Unix, Which system call creates the new process - ANSWER-FORK
, In Unix, Which system call creates the new process - ANSWER-Ready, Short terms
A minimum of _____ variable(s) is/are required to be shared between processes to solve the
critical section problem - ANSWER-code section and data section
A process generally also includes the process ______, which contains temporary data (such as
function parameters, return addresses, and local variables - ANSWER-Stack
The number of processes completed per unit time is known as - ANSWER-Throughput
Câu mô đó á - ANSWER-Many to one
Race conditions are prevented by requiring that critical regions be protected by - ANSWER-Locks
The state of a process is defined by :
a) the final activity of the process
b) the activity just executed by the process
c) the activity to next be executed by the process
d) the current activity of the process - ANSWER-The current work of the process
What is Waiting time? - ANSWER-The total time spent in the ready queue
CPU Scheduling is the basis of _________ operating system - ANSWER-Multiprogrammming
The collection of processes on the disk that is waiting to be brought into memory for execution
forms the - ANSWER-Input Queue
Another type of multiple-CPU system is the - ANSWER-Super Computer
QueStiONS aNd COrreCt aNSwerS |already Graded
a+||BraNd New verSiON!
Which are two fundamental models of interprocess communication - ANSWER-shared memory,
message passing
Dual mode of operating system has - ANSWER-2 modes( kernel mode and user mode)
One that is not a peripheral device of the computer system is - ANSWER-Register
Which system call returns the process identifier of a terminated child - ANSWER-Exit
If a kernel thread performs a blocking system call. - ANSWER-the kernel can schedule another
thread in the application for execution)
User threads are supported above the kernel and are managed without kernel support
FIFO scheduling is - ANSWER-Non Preemptive Scheduling
Suppose that a process is in "Blocked" state waiting for some I/O service. When the service is
completed, it goes to the - ANSWER-Ready State
To access the services of operating system, the interface is provided by the - ANSWER-System
calls
In Unix, Which system call creates the new process - ANSWER-FORK
, In Unix, Which system call creates the new process - ANSWER-Ready, Short terms
A minimum of _____ variable(s) is/are required to be shared between processes to solve the
critical section problem - ANSWER-code section and data section
A process generally also includes the process ______, which contains temporary data (such as
function parameters, return addresses, and local variables - ANSWER-Stack
The number of processes completed per unit time is known as - ANSWER-Throughput
Câu mô đó á - ANSWER-Many to one
Race conditions are prevented by requiring that critical regions be protected by - ANSWER-Locks
The state of a process is defined by :
a) the final activity of the process
b) the activity just executed by the process
c) the activity to next be executed by the process
d) the current activity of the process - ANSWER-The current work of the process
What is Waiting time? - ANSWER-The total time spent in the ready queue
CPU Scheduling is the basis of _________ operating system - ANSWER-Multiprogrammming
The collection of processes on the disk that is waiting to be brought into memory for execution
forms the - ANSWER-Input Queue
Another type of multiple-CPU system is the - ANSWER-Super Computer
