OPERATING SYSTEMS EXAM 2 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Question:
1. Registers operates in speeds of a.milliseconds b.nanoseconds c.microseconds d.picoseconds
e.femtoseconds
Answer:
b. nanoseconds
Question:
2. Name three different Unix/Linux command line interfaces or shells.
Answer:
1. Bash
2. Born
3.CShell
Question:
3. What UNIX command line tells me what directory I am currently in?
Answer:
pwd
Question:
4. Various types of state info associated with each process is stored in its PCB (Process Control Block) .
List four of the various types of state info that could be stored?
Answer:
1. process state
2. process counter
3. memory management info
4. I/O status info 5*. List open files
Question:
5. Is the Internet a (LAN - MAN - WAN)?
Answer:
WAN
Question:
6. When a process creates a new process using the fork() operation, which of the following states is shared
between the parent process and the child process? (Stack or Heap)
Answer:
Stack
Question:
7. (T/F) A process that can have the CPU taken away from it is termed nonpreemptive
Answer:
False
, Question:
8. List four examples of different OSs:
Answer:
1. MAC OSX
2. Windows 7
3. Vista
4. Unix/Linux
Question:
9. (T/F) The seeming simultaneous execution of different programs on a system with 1 CPU sharing a
common memory shared by multiple users is termed MULTITASKING
Answer:
False
Question:
10. (T/F) A program is an active entity, process is a passive entity
Answer:
False
Question:
11. _____UNIX command will show me a listing of files in a directory and their permissions?
Answer:
ls-l
Question:
12. Multiple processor systems organization today are of 2 types in respect to the interconnection of the
processing units. These are 1. ________ & 2. _________
Answer:
1. Symmetric
2. Assymetric
Question:
13. Which type of memory is faster? (DRAM or SRAM)
Answer:
SRAM
Question:
14. Main memory is a (volatile - nonvolatile) storage device that loses its contents when power is lost.
Answer:
Volatile
Question:
15. Dual-mode operation allows OS to protect itself and other system components. What are the 2 modes
operating systems today typically operate in?
1._______ 2._______
QUESTIONS AND CORRECT ANSWERS
Question:
1. Registers operates in speeds of a.milliseconds b.nanoseconds c.microseconds d.picoseconds
e.femtoseconds
Answer:
b. nanoseconds
Question:
2. Name three different Unix/Linux command line interfaces or shells.
Answer:
1. Bash
2. Born
3.CShell
Question:
3. What UNIX command line tells me what directory I am currently in?
Answer:
pwd
Question:
4. Various types of state info associated with each process is stored in its PCB (Process Control Block) .
List four of the various types of state info that could be stored?
Answer:
1. process state
2. process counter
3. memory management info
4. I/O status info 5*. List open files
Question:
5. Is the Internet a (LAN - MAN - WAN)?
Answer:
WAN
Question:
6. When a process creates a new process using the fork() operation, which of the following states is shared
between the parent process and the child process? (Stack or Heap)
Answer:
Stack
Question:
7. (T/F) A process that can have the CPU taken away from it is termed nonpreemptive
Answer:
False
, Question:
8. List four examples of different OSs:
Answer:
1. MAC OSX
2. Windows 7
3. Vista
4. Unix/Linux
Question:
9. (T/F) The seeming simultaneous execution of different programs on a system with 1 CPU sharing a
common memory shared by multiple users is termed MULTITASKING
Answer:
False
Question:
10. (T/F) A program is an active entity, process is a passive entity
Answer:
False
Question:
11. _____UNIX command will show me a listing of files in a directory and their permissions?
Answer:
ls-l
Question:
12. Multiple processor systems organization today are of 2 types in respect to the interconnection of the
processing units. These are 1. ________ & 2. _________
Answer:
1. Symmetric
2. Assymetric
Question:
13. Which type of memory is faster? (DRAM or SRAM)
Answer:
SRAM
Question:
14. Main memory is a (volatile - nonvolatile) storage device that loses its contents when power is lost.
Answer:
Volatile
Question:
15. Dual-mode operation allows OS to protect itself and other system components. What are the 2 modes
operating systems today typically operate in?
1._______ 2._______
