Operating system

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Question Description

i need a help in this assingment which i am attaching it below.

Tutor Answer

richardmorgan12984
School: Duke University

Attached.

Running head: OPERATING SYSTEM

1

Operating System
Student’s Name
Institutional Affiliation

OPERATING SYSTEM

2
Operating System
Computer Systems Overview
True/False Questions

1. The processor controls the operations of a computer and performs its data processing
functions.
Answer: True
2. It is not possible for a communications interrupt to occur while a printer interrupt is being
processed.
Answer: False
3. A system bus transfers data between the computer and its external environment.
Answer: False
4. Cache memory is invisible to the OS
Answer: True
5. With interrupts, the processor cannot be engaged in executing other instructions while an
I/O operation is in progress.
Answer: False
6. Digital Signal Processors deal with streaming signals such as audio and video.
Answer: True
7. The fetched instruction is loaded into the Program Counter.
Answer: False
8. Interrupts are provided primarily as a way to improve processor utilization.
Answer: True

OPERATING SYSTEM

3

9. The interrupt can occur at any time and therefore at any point in the execution of a user
program.
Answer: True
10. Over the years, memory access speed has consistently increased more rapidly than
processor speed.
Answer: False
11. An SMP can be defined as a stand-alone computer system with two or more similar
processor of comparable capacity.
Answer: True
12. The Program Status word contains status information in the form of condition codes,
which is typically set by the programmer as a result program operation.
Answer: False
13. An example of a multicore system is the Intel Core i7.
Answer: True
14. In a two-level memory hierarchy, the Hit Ratio is defined as the fraction of all memory
accesses found in the slower memory.
Answer: False
15. The operating system acts as an interface between the computer hardware and the human
user.
Answer: True
Multiple Choice Questions
1. The four main structural elements of a computer system are:
A) Processor, Main Memory, I/O Modules and System Bus

OPERATING SYSTEM

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2. The __ Program Counter (PC)_______ holds the address of the next instruction to be
fetched...

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