Cengage Mindtap Operating Systems
UPDATED ACTUAL Exam Questions and
CORRECT Answers
You are a computer consultant called in to a manufacturing plant. The plant engineer needs a
system to control their assembly line that includes robotic arms and conveyors. Many sensors are
used and precise timing is required to manufacture the product. Of the following choices, which
OS would you recommend to be used on the computing system that controls the assembly line
and why? - CORRECT ANSWER - LynxOS because it is an RTOS
Which of the following accurately describes preemptive multitasking? - CORRECT
ANSWER - The OS is in strict control of which processes get CPU time.
You are reading an old case study about an application running on Windows 95. The application
became unresponsive and caused the OS to freeze, prompting a restart of Windows 95. What is
the most likely reason Windows 95 froze and had to be restarted? - CORRECT ANSWER -
The application was 16-bit and used cooperative multitasking.
Which CPU operating mode allows a process to execute restricted CPU instructions and access
all memory locations? - CORRECT ANSWER - privileged mode
A software developer needs to design an application in which multiple parts of the application
can be scheduled and executed simultaneously. What is each part of an application that can be
independently scheduled called? - CORRECT ANSWER - thread
You have just finished writing a program that uses instructions such as load R1, X and stor R1,
Z. What must be used to create opcodes from those instructions? - CORRECT ANSWER -
assembler
When a CPU is executing a program and the current instruction needs four bytes of data, where
does the CPU first look for the needed data? - CORRECT ANSWER - cache
UPDATED ACTUAL Exam Questions and
CORRECT Answers
You are a computer consultant called in to a manufacturing plant. The plant engineer needs a
system to control their assembly line that includes robotic arms and conveyors. Many sensors are
used and precise timing is required to manufacture the product. Of the following choices, which
OS would you recommend to be used on the computing system that controls the assembly line
and why? - CORRECT ANSWER - LynxOS because it is an RTOS
Which of the following accurately describes preemptive multitasking? - CORRECT
ANSWER - The OS is in strict control of which processes get CPU time.
You are reading an old case study about an application running on Windows 95. The application
became unresponsive and caused the OS to freeze, prompting a restart of Windows 95. What is
the most likely reason Windows 95 froze and had to be restarted? - CORRECT ANSWER -
The application was 16-bit and used cooperative multitasking.
Which CPU operating mode allows a process to execute restricted CPU instructions and access
all memory locations? - CORRECT ANSWER - privileged mode
A software developer needs to design an application in which multiple parts of the application
can be scheduled and executed simultaneously. What is each part of an application that can be
independently scheduled called? - CORRECT ANSWER - thread
You have just finished writing a program that uses instructions such as load R1, X and stor R1,
Z. What must be used to create opcodes from those instructions? - CORRECT ANSWER -
assembler
When a CPU is executing a program and the current instruction needs four bytes of data, where
does the CPU first look for the needed data? - CORRECT ANSWER - cache
