Computer Organization
Exam Solutions
Course Introduction
Computer Organization provides a comprehensive introduction to the fundamental structures and operational principles underlying modern computer systems. The course explores topics such as digital logic design, data representation, processor architecture, instruction sets, memory hierarchy, input/output mechanisms, and performance evaluation. Students will gain insight into how hardware and software components interact at the machine level, enabling them to understand the execution of programs, optimize performance, and appreciate the design decisions that shape contemporary computer architectures. Practical exercises and case studies will reinforce concepts, preparing students for advanced study in computer systems and engineering.
Recommended Textbook
Understanding Operating Systems 7th Edition by Ann McHoes
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16 Chapters
646 Verified Questions
646 Flashcards
Source URL: https://quizplus.com/study-set/1969
Page 2
Chapter 1: Introducing Operating Systems
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40 Verified Questions
40 Flashcards
Source URL: https://quizplus.com/quiz/39155
Sample Questions
Q1) Onboard systems are computers that are physically placed inside the products that they operate to add features and capabilities.
A)True
B)False
Answer: False
Q2) ____ is the practice of using Internet-connected resources to perform processing,storage,or other operations.
A) Cloud computing
B) Command line interfacing
C) Process management
D) Network management
Answer: A
Q3) With the development of ____ technology,a single chip was equipped with two or more processor cores.
A) multiprogramming
B) multimedia
C) networking
D) multicore
Answer: D
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Page 3
Chapter 2: Memory Management: Simple Systems
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40 Verified Questions
40 Flashcards
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Sample Questions
Q1) The goal of the ____ memory allocation algorithm is to find the smallest memory block into which a job will fit.
A) smallest-fit
B) first-fit
C) dynamic-fit
D) best-fit
Answer: D
Q2) After relocation and compaction,both the free list and the busy list are updated.
A)True
B)False
Answer: True
Q3) Memory defragmentation is performed by the operating system to reclaim fragmented space.
A)True
B)False
Answer: True
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Page 4
Chapter 3: Memory Management: Virtual Memory Systems
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40 Verified Questions
40 Flashcards
Source URL: https://quizplus.com/quiz/39157
Sample Questions
Q1) A variation of the LRU page replacement algorithm known as the ____ replacement policy is implemented with a circular queue.
A) clock page
B) round robin
C) performance page
D) bit shifting
Answer: A
Q2) In demand paging,when an excessive number of pages are moved back and forth between main memory and secondary storage,it is called ____.
A) swapping
B) faulting
C) paging
D) thrashing
Answer: D
Q3) Paged memory allocation offers the advantage that it doesn't require the entire job to be stored in memory during its execution.
A)True
B)False
Answer: False
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Page 5
Chapter 4: Processor Management
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40 Verified Questions
40 Flashcards
Source URL: https://quizplus.com/quiz/39158
Sample Questions
Q1) A single processor can be shared by several jobs,or several processes,but only if the operating system has a scheduling policy,as well as a scheduling algorithm,to determine when to stop working on one job and proceed to another.
A)True
B)False
Q2) Assume that jobs A-D arrive in the READY queue in quick succession and have the CPU cycle requirements listed below.Using the SRT algorithm,the average turnaround time is ____.
Arrival time: 0 1 2 3
Job: A B C D
CPU cycle: 6 3 1 4
A) 2.5
B) 6.25
C) 7.75
D) 9.0
Q3) First-come,first-served (FCFS)is a preemptive scheduling algorithm that handles jobs according to their arrival time.
A)True
B)False
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Page 6
Chapter 5: Process Management
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40 Verified Questions
40 Flashcards
Source URL: https://quizplus.com/quiz/39159
Sample Questions
Q1) According to the Banker's Algorithm,an unsafe state always leads to deadlock.
A)True
B)False
Q2) ____ published a visual tool to show how deadlock conditions can be modeled using directed graphs.
A) Havender
B) Holt
C) Dijkstra
D) Lane & Mooney
Q3) One problem with the Banker's Algorithm is that because the algorithm assumes the worst case,vital resources can be unavailable in order to guard against unsafe states.
A)True
B)False
Q4) In the dining philosophers problem,there are five philosophers and four forks.
A)True
B)False
Q5) Starvation is the result of a policy that liberally allocates resources.
A)True
B)False
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Chapter 6: Concurrent Processes
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40 Verified Questions
40 Flashcards
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Sample Questions
Q1) When a compiler automatically detects instructions that can be performed in parallel,____ is in place.
A) automatic parallelism
B) array parallelism
C) explicit parallelism
D) implicit parallelism
Q2) Java uses both a compiler and an interpreter.
A)True
B)False
Q3) The success of process synchronization hinges on the capability of the operating system to make a resource available to other processes while it is being used by one of them.
A)True
B)False
Q4) When multiprocessing takes place at the thread level,a high degree of synchronization is required to disassemble each process.
A)True
B)False
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Page 8
Chapter 7: Device Management
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40 Flashcards
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Sample Questions
Q1) A ____,used in RAID Level 2,is a coding scheme that adds extra,redundant bits to the data and is therefore able to correct single-bit errors and detect double-bit errors.
A) Synch code
B) Hamming code
C) Parity code
D) Redundancy code
Q2) Nested RAID levels,also called hybrid levels,are complex RAID configurations created by combining multiple standard levels.
A)True
B)False
Q3) Device management principles are changing rapidly to accommodate cloud computing.
A)True
B)False
Q4) The job of the I/O control unit is to keep up with the I/O requests from the CPU and pass them down the line to the appropriate control unit.
A)True
B)False
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Chapter 8: File Management
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40 Verified Questions
40 Flashcards
Source URL: https://quizplus.com/quiz/39162
Sample Questions
Q1) On magnetic disks,files can be organized in one of three ways: ____.
A) indexed direct, indexed indirect, or random
B) sequential, indirect, or direct
C) sequential, random, or indirect
D) sequential, direct, or indexed sequential
Q2) An indexed sequential file does not have overflow areas.
A)True
B)False
Q3) When data is stored in fixed length fields,data that extends beyond the fixed size ____.
A) generates an operating system error
B) is truncated
C) is broken up and stored in more than one field
D) combines multiple fields to accommodate the data
Q4) A file extension is usually two to four characters in length and is separated from the relative name by a period.
A)True
B)False
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Page 10
Chapter 9: Network Organization Concepts
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40 Verified Questions
40 Flashcards
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Sample Questions
Q1) In the routing information protocol (RIP),the entire routing table is updated only when changes have occurred; this decreases internetwork traffic and positively affects the delivery of messages.
A)True
B)False
Q2) Star topology permits easy routing because a central station knows the path to all other sites.
A)True
B)False
Q3) The geometric arrangement of connections (cables,wireless,or both)that link the nodes in a networked system is called a ____.
A) layout
B) topology
C) map
D) physical network
Q4) Token passing networks generally use either collision detection or collision avoidance techniques to deal with potential collisions.
A)True
B)False
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Chapter 10: Management of Network Functions
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40 Verified Questions
40 Flashcards
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Sample Questions
Q1) If a process requests access to a region in memory,the process manager determines whether the requesting process has been previously granted rights.
A)True
B)False
Q2) A process-based DO/S must synchronize actions across the network.When a process reaches a point at which it needs service from an external source,such as an I/O request,it sends a message searching for the service.While it waits for a response,the processor server puts the process in a ____ state.
A) STOP
B) WAIT
C) BUSY
D) RESPONSE
Q3) Under a DO/S,resources are allocated based on negotiation and compromise among equally important peer sites in the distributed system.
A)True
B)False
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Chapter 11: Security and Ethics
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40 Verified Questions
40 Flashcards
Source URL: https://quizplus.com/quiz/39165
Sample Questions
Q1) Some viruses are considered to be benign.
A)True
B)False
Q2) Trash collection,also known as ____,is an evening pastime for those who enjoy perusing anything and everything thrown out by system users.
A) dumpster diving
B) digital recycling
C) dumpster surfing
D) trash surfing
Q3) Errors can occur when data values are incorrectly stored because the field isn't large enough to hold the numeric value stored there.This issue is an example of a(n)____.
A) unintentional attack
B) malicious attack
C) denial-of-service attack
D) trap door attack
Q4) Any vulnerability at the operating system level opens the entire system to attack.
A)True
B)False
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Chapter 12: System Management
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40 Verified Questions
40 Flashcards
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Sample Questions
Q1) A disadvantage of software monitoring tools is that they ____.
A) are difficult to install
B) become part of the system and can distort analysis results
C) are expensive to install
D) only monitor CPU speed and ignore the rest of the system
Q2) ____ helps the CPU match the slower speed of I/O devices.
A) Prioritizing
B) Rescheduling
C) Buffering
D) Blocking
Q3) The location of a volume's directory on the disk does not make a difference in the time it takes to access it.
A)True
B)False
Q4) Benchmarks are often used by vendors to demonstrate to prospective clients the specific advantages of a new CPU,operating system,compiler,or piece of hardware.
A)True
B)False
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Chapter 13: Unix Operating Systems
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46 Verified Questions
46 Flashcards
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Sample Questions
Q1) In UNIX,the file ____ contains the parameters that control resources such as the number of internal buffers for the kernel and the size of the swap space.
A) config.sys
B) conf.ini
C) ctrl.conf
D) conf.c
Q2) The command,____ ,will copy the contents of chapt1 and chapt2 into a file named section_a.
A) section_a = chapt1 + chapt2
B) cp chapt1 section_a, cp chapt2 section_a
C) cat chapt1 chapt2 > section_a
D) ls chapt1, chapt2, section_a
Q3) There is no return from a successful ____ call.
A) nest
B) exec
C) duplicate
D) fork
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Chapter 14: Windows Operating Systems
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40 Verified Questions
40 Flashcards
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Sample Questions
Q1) An ____ is a data structure that controls how the I/O operation is processed at each step.
A) ITB
B) IMS
C) IRP
D) IRQ
Q2) The ____ creates a driver object when a driver is loaded into the system and then calls the driver's initialization routine.
A) Driver Manager
B) Driver Routine
C) I/O Manager
D) I/O Routine
Q3) When physical memory becomes full,the ____ Memory Manager pages some of the memory contents to disk,freeing physical memory for other processes.
A) Application
B) Virtual
C) Backup
D) Physical
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Chapter 15: Linux Operating Systems
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40 Verified Questions
40 Flashcards
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Sample Questions
Q1) When Linux allocates memory space,by default it allocates one GB of high-order memory to the kernel and three GB of memory to executing processes.
A)True
B)False
Q2) In Linux,____ devices cannot host a file system.
A) write
B) read
C) block
D) char
Q3) Because Linux is written and distributed under the ____ General Public License,its source code is freely distributed and available to the general public.
A) GPL
B) Open Publication
C) GNU
D) MPP
Q4) Virtual memory is implemented in Linux through demand paging.
A)True
B)False
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Chapter 16: Android Operating Systems
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40 Verified Questions
40 Flashcards
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Sample Questions
Q1) Whenever a new Android activity begins,it replaces the activity that was previously called.The replaced activity's state is moved to a data structure called the ____ stack.
A) activity
B) back
C) app
D) state
Q2) Android is designed to run ____.
A) desktop computers
B) telephones
C) mobile devices
D) laptop computers
Q3) Apps for the Android operating system are programmed in Objective-C.
A)True
B)False
Q4) Google purchased Android in 2011.
A)True
B)False
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