1. In windows, the group of services and subsystems that support the kernel are called:

A) Environmental subsystems

B) Registers

C) Executive

D) Micro-Kernel

2. When a system can perform many functions simultaneously, this is called:

A) Multiprocessing

B) Multitasking

C) Context switching

D) Serial processing

3. The text segment in a user structure contains:

A) Parameters to pass to another function

B) Allocated variables

C) Unallocated variables

D) The program's code

4. The Unix scheduler is called a _____ scheduler.

A) Fair

B) Single round-robin

C) Equal quantum

D) Unequal time slice

5. singals are an example of:

A) Hardware interrupts

B) interprocess Communications (IPC)

C) A process controller

D) Events that only occur in windows

6. Disk device strive to write data to a disk drive in a _______

A) Physically contiguous manner

B) Logically contiguous manner

C) Both physically and logically contiguous manner

D) Neither logically nor physically contiguous manner

7. On both UNIX and Windows, a type of IPC that allows the output of one process to be sent as input to another process is called:

A) A pipe

B) A child process

C) A thread

D) A handle

8. In UNIX, the shell is:

A) Is part of the kernel

B) Not part of the kernel

C)Only accessible by the kernel

D) Is a graphical user interface (GUI)