Systems Architecture 7th Edition By Stephen D Burd – Test Bank

True / False

1. Operating systems are organized internally into layers.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: 394

2. Resource allocation in a single-tasking OS involves only two running programs—an application and the OS.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: 397

3. Multitasking operating systems are not the norm for general-purpose computers.
a. True
b. False
ANSWER: False
POINTS: 1
REFERENCES: 397

4. A hypervisor can make the sum of physical resources allocated to all virtual machines appear greater than the underlying physical resources.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: 400

5. The act of giving control of a CPU to a ready thread is called engaging.
a. True
b. False
ANSWER: False
POINTS: 1
REFERENCES: 405

6. A blocked thread is waiting for an event to occur, such as allocation of a requested resource or correction of an error condition.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: 405

7. In explicit priority scheduling, the scheduler always dispatches the ready thread that has been waiting the longest.
a. True
b. False
ANSWER: False
POINTS: 1
REFERENCES: 409

8. In Windows thread scheduling, a thread’s current priority level is called its “local priority.”
a. True
b. False
ANSWER: False
POINTS: 1
REFERENCES: 412

9. Data values and instructions generally occupy multiple bytes of storage.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: 416

10. When considered as a byte sequence, the rightmost byte is called the most significant byte.
a. True
b. False
ANSWER: False
POINTS: 1
REFERENCES: 416

11. A programmer can explicitly include the process offset in any memory address operands when writing or compiling a program.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: 417