ITE 221 EXAM 4 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

ITE 221 EXAM 4 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. Operating Systems are organized internally into layers (T/F)
Answer:
True

Question:
2. Resource allocation in a single-tasking OS involves only two running programs—an application and the
OS. (T/F)
Answer:
True

Question:
3. Multitasking operating systems are not the norm for general-purpose computers. (T/F)
Answer:
False

Question:
4. A hypervisor can make the sum of physical resources allocated to all virtual machines appear greater
than the underlying physical resources. (T/F)
Answer:
True

Question:
5. The act of giving control of a CPU to a ready thread is called engaging. (T/F)
Answer:
False

Question:
6. A blocked thread is waiting for an event to occur, such as allocation of a requested resource or
correction of an error condition. (T/F)
Answer:
True

Question:
7. In explicit priority scheduling, the scheduler always dispatches the ready thread that has been waiting
the longest. (T/F)
Answer:
False

Question:
8. In Windows thread scheduling, a thread's current priority level is called its "local priority." (T/F)

, Answer:
False

Question:
9. Data values and instructions generally occupy multiple bytes of storage. (T/F)
Answer:
True

Question:
10. When considered as a byte sequence, the rightmost byte is called the most significant byte. (T/F)
Answer:
False

Question:
11. A programmer can explicitly include the process offset in any memory address operands when writing
or compiling a program. (T/F)
Answer:
True

Question:
12. Memory allocation is less complex when the OS supports multitasking. (T/F)
Answer:
False

Question:
13. Contiguous program loading, coupled with fixed-size memory partitions, usually results in efficient use
of memory space. (T/F)
Answer:
False

Question:
14. Noncontiguous memory allocation is more flexible than contiguous memory allocation, but flexibility
comes at a price. (T/F)
Answer:
True

Question:
15. The only portion of a process that must be in memory at any point during execution is the next
instruction to be fetched. (T/F)
Answer:
False

Question:
16. Because page size is fixed, memory references can easily be converted to the corresponding page
number and offset in the page. (T/F)
Answer:
True