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БАЗА 1(Questions 91-185)

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PC Architecture Quiz sobre БАЗА 1(Questions 91-185), criado por Csse 1502 em 23-05-2018.
Csse 1502
Quiz por Csse 1502, atualizado more than 1 year ago
Csse 1502
Criado por Csse 1502 aproximadamente 6 anos atrás
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Resumo de Recurso

Questão 1

Questão
A branch-prediction cache that stores the predicted address for the next instruction after a branch
Responda
  • branch target buffer
  • data buffer
  • optical buffer

Questão 2

Questão
Buffering the actual target instructions allows us to perform an optimization which called:
Responda
  • branch folding
  • branch prediction
  • target instructions
  • target address

Questão 3

Questão
Which is not the function of integrated instructions fetch unit:
Responda
  • Instruction memory commit
  • Integrated branch prediction
  • Instruction prefetch
  • Instruction memory access and buffering

Questão 4

Questão
What is the simple technique that predict whether two stores or a load and a store refer to the same memory address:
Responda
  • Address aliasing prediction
  • Branch prediction
  • Integrated branch prediction

Questão 5

Questão
What is a topology in interconnection networks?
Responda
  • It indicates how the nodes a network are organised
  • It is the minimum distance between the farthest nodes in a network
  • Number of edges connected with a node is called node degree

Questão 6

Questão
What is a network diameter?
Responda
  • It is the minimum distance between the farthest nodes in a network
  • It indicates how the nodes a network are organised
  • Number of edges connected with a node is called node degree

Questão 7

Questão
What is a node degree?
Responda
  • Number of edges connected with a node is called node degree
  • It indicates how the nodes a network are organised
  • It is the minimum distance between the farthest nodes in a network

Questão 8

Questão
What is a bisection bandwidth?
Responda
  • Number of edges required to be cut to divide a network into two halves is called bisection bandwidth
  • It indicates how the nodes a network are organised
  • It is the minimum distance between the farthest nodes in a network

Questão 9

Questão
What is a network throughput?
Responda
  • It indicates how the nodes a network are organised
  • It is delay in transferring the message between two nodes
  • It is indicative measure of the message carrying capacity of a network
  • It is the minimum distance between the farthest nodes in a network

Questão 10

Questão
What is a data routing functions?
Responda
  • The functions which when executed establish the path between the source & destination
  • It is indicative measure of the message carrying capacity of a network
  • It is the minimum distance between the farthest nodes in a network

Questão 11

Questão
What is a hardware cost?
Responda
  • It indicates how the nodes a network are organised
  • The data routing functions are the functions which when executed establish the path between the source and the destination
  • It refers to the cost involved in the implementation of an interconnection network
  • It is an indicative measure of the message carrying capacity of a network

Questão 12

Questão
What is a blocking and non-blocking network?
Responda
  • It indicates how the nodes a network are organized
  • The data routing functions are the functions which when executed establish the path between the source and the destination
  • network In non-blocking networks the route from any free input node to any free output node can always be provided
  • It is and indicative measure of the message carrying capacity of a network

Questão 13

Questão
Design issue of interconnection network?
Responda
  • Software Cost
  • Hardware Cost
  • RLP
  • Symmetry of the network

Questão 14

Questão
Design issue of interconnection network (нет ответа в базе)
Responda
  • Dimension and size of network
  • Broadcast and Multicast
  • Hardware Cost
  • RLP

Questão 15

Questão
What is the Message Size?
Responda
  • It indicates how the nodes a network are organized
  • The data routing functions are the functions which when executed establish the path between the source and the destination
  • How much data a processor can send in one time unit
  • It is and indicative measure of the message carrying capacity of a network

Questão 16

Questão
What is a Data transfer time?
Responda
  • It indicates how the nodes a network are organized
  • The data routing functions are the functions which when executed establishe the path between the source and the destination
  • How long does it take for a message to reach to another processor
  • It is and indicative measure of the message carrying capacity of a network

Questão 17

Questão
Select two-dimensional network (в какой то базе interconnection network)
Responda
  • Mesh
  • Linear Array
  • Cross Bar

Questão 18

Questão
Select multi-dimensional network (в какой то базе interconnection network)
Responda
  • Linear Array
  • Cross Bar
  • Cube

Questão 19

Questão
Select multi-dimensional network (в какой то базе interconnection network)
Responda
  • Linear Array
  • Cross Bar
  • Hyper Cube

Questão 20

Questão
Select non-blocking network (в какой то базе interconnection network)
Responda
  • Linear Array
  • Cube
  • Cross Bar

Questão 21

Questão
A modified version of the tree network (в какой то базе interconnection network)
Responda
  • Fat tree
  • Cube
  • Linear Array

Questão 22

Questão
A interconnection network is a type of pipelined array architecture and it is designed for multidimensional flow of data
Responda
  • Systolic Array
  • Cube
  • Linear Array

Questão 23

Questão
A _____________ interconnection network is a type of pipelined array architecture and it is designed for multidimensional flow of data
Responda
  • Hyper cube
  • Cube
  • Linear array

Questão 24

Questão
In computer architecture, __________ is the ability of central processing unit (CPU) or a single core in a multi-core processor to execute multiple processes or threads concurrently, appropriately supported by the operating system
Responda
  • Multithreading
  • Computing
  • Array processing

Questão 25

Questão
In computing, a __________ is a central processing unit(CPU) that implements an instruction set containing instructions that operate on one-dimensional arrays of data called vectors compared to scalar processors, whose instructions operate in a single data items
Responda
  • Multithreading
  • Vector processes
  • Computing
  • Array processing

Questão 26

Questão
A _________ is an instruction in a computer program that can cause a computer to begin executing a different instruction sequence and thus deviate from its default behaviour of executing instructions in order
Responda
  • Multithreading
  • Branch
  • Prediction
  • Array processing

Questão 27

Questão
A __________ is a digital circuit that tries to guess which way a branch (e.g. an if-then-else structure) will go before this is known for sure
Responda
  • Multithreading
  • Branch
  • Branch Prediction

Questão 28

Questão
________________ optimization technique where a computer system performs some task that may not be actually needed
Responda
  • Multithreading
  • Branch
  • Speculative execution

Questão 29

Questão
Select two-dimensional network
Responda
  • Mesh
  • Linear array
  • Cross bar

Questão 30

Questão
Single instruction, single data (SISD)
Responda
  • only one instruction stream is being acted on by the CPU during any one clock cycle
  • a type of parallel computer
  • Currently the most common type of parallel computer - most modern supercomputers fall into this category

Questão 31

Questão
In serial computing
Responda
  • Multithreading instructions from each part execute simultaneously on different processors
  • Instructions are executed sequentially one after another
  • A problem is broken into discrete parts that can be solved concurrently

Questão 32

Questão
In parallel computing
Responda
  • Multithreading instructions from each part execute simultaneously on different processors
  • Instructions are executed sequentially one after another
  • A problem is broken into discrete parts that can be solved concurrently

Questão 33

Questão
Shared memory …
Responda
  • From a strictly hardware point of view, describes a computer architecture where all processors have direct(usually bus based ) access to common physical memory
  • A logically discrete section of computational work
  • Breaking a task into steps performed by different processor units, with inputs streaming through much like an assembly line

Questão 34

Questão
Massively parallel . . .
Responda
  • From a strictly hardware point of view, describes a computer architecture where all processors have direct(usually bus based ) access to common physical memory
  • Refers to the hardware that comprises a given parallel system - having many processing elements
  • Solving many similar but independent tasks simultaneously, little to no need for coordination between the tasks

Questão 35

Questão
Embarrassingly parallel . . .
Responda
  • From a strictly hardware point of view, describes a computer architecture where all processors have direct(usually bus based ) access to common physical memory
  • Refers to the hardware that comprises a given parallel system - having many processing elements
  • Solving many similar but independent tasks simultaneously, little to no need for coordination between the tasks

Questão 36

Questão
Network performance depends of what?
Responda
  • performance of switches and transmission system
  • performance of switches
  • performance of transmission system
  • has no dependencies

Questão 37

Questão
Which one is not the major flavor of Multiple-issue processors:
Responda
  • statistically superscalar processors
  • dynamically scheduled superscalar processors
  • statically scheduled superscalar processors
  • VLIW (very long instruction word) processors

Questão 38

Questão
A _____________ interconnection network is an extension of cube network
Responda
  • Hyper Cube
  • Cube
  • Linear Array

Questão 39

Questão
Pipelining …
Responda
  • Breaking a task into steps performed by different processor units, with inputs streaming through, much like an assembly line
  • A logically discrete section of computational work
  • From a strictly hardware point of view, describes a computer architecture where all processors have direct (usually bus based) access to common physical memory

Questão 40

Questão
What is Personal mobile device (PMD)?
Responda
  • A collection of wireless devices with multimedia user interfaces
  • A collection of computers with wireless network adapters
  • A collection of Clusters/Warehouse-scale computers

Questão 41

Questão
Where the embedded microprocessors are used?
Responda
  • In microwaves, washing machines
  • In Personal Computers
  • In mobile phones

Questão 42

Questão
What functions has Instruction Set Architecture (ISA)?
Responda
  • Serves as the boundary between the software and hardware
  • Serves as the bridge between CPU and Memory
  • Serves as the bridge between CPU and Cache

Questão 43

Questão
What is the TLP?
Responda
  • Time Level Parallelism
  • Technology Level Parallelism
  • Task Level Parallelism

Questão 44

Questão
By Moore's law, growth rate in transistor count on a chip is doubling?
Responda
  • every 8 to 12 months
  • every 12 to 16 months
  • every 18 to 24 months

Questão 45

Questão
How should a system architect or a user think about performance, power, and energy? From the viewpoint of a system designer, how many concerns are there?
Responda
  • 3
  • 2
  • 4

Questão 46

Questão
What is the “Module reliability” in Dependability?
Responda
  • a measure of the continuous service accomplishment from a reference initial instant
  • a measure of the service accomplishment with respect to the alternation between the two states of accomplishment and interruption.
  • a measure of the interruption

Questão 47

Questão
What is response time?
Responda
  • the time between the start and the completion of an event
  • The time to get an information
  • The time spent on execution of a program

Questão 48

Questão
The guiding principle of reporting performance measurements should be?
Responda
  • reproducibility
  • responsibility
  • creativity

Questão 49

Questão
What is Temporal Locality?
Responda
  • recently accessed items are likely to be accessed in the near future
  • items whose addresses are near one another tend to be referenced close together in time
  • the nearest data stored in secondary memory

Questão 50

Questão
What is Spatial Locality?
Responda
  • items whose addresses are near one another tend to be refer¬enced close together in time
  • recently accessed items are likely to be accessed in the near future
  • the nearest data stored in secondary memory

Questão 51

Questão
What is Amdahl's law?
Responda
  • Defines the speedup that can be gained by using a particular feature
  • Defines time spent on execution of a program
  • Defines data gained in one operation

Questão 52

Questão
The most popular scheme is set associative, where a set is?
Responda
  • a group of blocks
  • a group of instructions
  • a group of comparatives

Questão 53

Questão
The three Cs model sorts all misses into three simple categories: Compulsory, Capacity, Conflict. What is Compulsory?
Responda
  • The very first access to a block cannot be in the cache, so the block must be brought into the cache
  • If the cache cannot contain all the blocks needed during execution of a program
  • If the block placement strategy is not fully associative

Questão 54

Questão
The three Cs model sorts all misses into three simple categories: Compulsory, Capacity, Conflict. What is Capacity?
Responda
  • If the cache cannot contain all the blocks needed during execution of a program
  • The very first access to a block cannot be in the cache, so the block must be brought into the cache
  • If the block placement strategy is not fully associative

Questão 55

Questão
The three Cs model sorts all misses into three simple categories: Compulsory, Capacity, Conflict. What is Conflict?
Responda
  • If the block placement strategy is not fully associative
  • The very first access to a block cannot be in the cache, so the block must be brought into the cache
  • If the cache cannot contain all the blocks needed during execution of a program

Questão 56

Questão
The “natural” unit of organization of memory
Responda
  • Word
  • Document
  • Several Computer

Questão 57

Questão
Main element of cache memory is …
Responda
  • Line
  • Word
  • String

Questão 58

Questão
Typical levels of Cache memories …
Responda
  • 1,2,3 levels
  • 1,2,3,4,5 levels
  • Cache memories have no levels

Questão 59

Questão
Select internal memory …
Responda
  • Hard Disk
  • CD-ROM
  • Processor registers

Questão 60

Questão
Select internal memory
Responda
  • Hard Disk
  • Optical disk
  • Main memory

Questão 61

Questão
Select internal memory
Responda
  • Cache
  • Magnetic tape
  • Optical disks

Questão 62

Questão
Select external memory?
Responda
  • Processor registers
  • Cache
  • Main memory
  • Hard disks

Questão 63

Questão
Select external memory
Responda
  • Optical Disk
  • Cache level 1
  • Registers of processor

Questão 64

Questão
Select external memory
Responda
  • Magnetic tape
  • Main memory
  • All cache memories

Questão 65

Questão
Physical types of memories:
Responda
  • Direct, Random
  • Direct, Access time
  • Semiconductor, Optical

Questão 66

Questão
Physical types of memories:
Responda
  • Semiconductor, Magnetic
  • Word, Block
  • Direct, Random

Questão 67

Questão
Physical types of memories:
Responda
  • Magneto-optical
  • Number of words
  • Number of bytes

Questão 68

Questão
Select correct memory hierarchy:
Responda
  • Cache – Main Memory – Secondary storages
  • Secondary storages - Cache – Main Memory
  • Main Memory – Cache - Secondary storages

Questão 69

Questão
Select correct memory hierarchy:
Responda
  • Processor registers – Cache memory – Main memory
  • Cache memory – Main memory - Processor registers
  • Cache memory – Processor registers - Main memory

Questão 70

Questão
External, nonvolatile memory is also referred to as …
Responda
  • auxiliary memory
  • Main memory
  • Levels of cache

Questão 71

Questão
Types of cache addresses
Responda
  • Logical, Physical
  • Direct, Associative
  • Set Associative

Questão 72

Questão
A logical cache stores data using …
Responda
  • virtual addresses
  • virtual addresses and physical addresses
  • Physical addresses

Questão 73

Questão
The two basic forms of semiconductor random access memory are
Responda
  • dynamic RAM (DRAM) and static RAM (SRAM)
  • magnetic and optical
  • Winchester and optical disks

Questão 74

Questão
Main element of cache memory
Responda
  • Tag
  • Word
  • String

Questão 75

Questão
A number of chips can be grouped together to form …
Responda
  • a memory bank
  • a memory tags
  • a memory linis

Questão 76

Questão
Data are recorded on and later retrieved from the disk via a conducting coil named
Responda
  • The arm
  • The slid
  • The head

Questão 77

Questão
The information can then be scanned at the same rate by rotating the disk at a fixed speed, known as …
Responda
  • multiple zoned recording
  • intersector gap
  • the constant angular velocity

Questão 78

Questão
To increase density, modern hard disk systems use a technique known as
Responda
  • multiple zone recording
  • the constant angular velocity

Questão 79

Questão
… can be removed and replaced with another disk.
Responda
  • Processor registers
  • A nonremovable disk
  • A removable disk

Questão 80

Questão
For most disks, the magnetizable coating is applied to both sides of the platter, which is then referred to as ...
Responda
  • double sided
  • single sided
  • no sides

Questão 81

Questão
The set of all the tracks in the same relative position on the platter is referred to as …
Responda
  • a cylinder
  • a square
  • a circle

Questão 82

Questão
On a movable head system, the time it takes to position the head at the track is known as …
Responda
  • transfer time
  • access time
  • seek time

Questão 83

Questão
The operating system …
Responda
  • is the software that controls the execution of programs on a processor and that manages the processor’s resources.
  • is one which is understandable by us humans
  • is a collection of Clusters/Warehouse-scale computers
  • a program that directly executes instructions written in a programming language

Questão 84

Questão
The most important functions of the Operating System are
Responda
  • The scheduling of processes, or tasks
  • Compile C++ program codes
  • Interpret PHP program codes
  • Provide drivers for the remote devices

Questão 85

Questão
The important function of the Operating System is
Responda
  • Memory management
  • Provide compiler for high level programming languages
  • Increase size of cache

Questão 86

Questão
How is the following service called? The Operating System provides a variety of facilities and services, such as editors and debuggers, to assist the programmer in creating programs…
Responda
  • Program execution
  • Access to I/O devices
  • Program creation

Questão 87

Questão
How is the following service called? A number of tasks need to be performed to execute a program. Instructions and data must be loaded into main memory, I/O devices and files must be initialized, and other resources must be prepared. The Operating System handles all of this for the user.
Responda
  • Program creation
  • Access to I/O devices
  • Program execution

Questão 88

Questão
How is the following service called? Each I/O device requires its own specific set of instructions or control signals for operation. The Operating System takes care of the details so that the programmer can think in terms of simple reads and writes.
Responda
  • Access to I/O devices
  • Program execution
  • Program creation

Questão 89

Questão
How is the following service called? In the case of a shared or public system, the Operating System controls access to the system as a whole and to specific system resources.
Responda
  • Controlled access to files
  • Access to I/O devices
  • System access

Questão 90

Questão
How is the following service called? These are internal and external hardware errors, such as a memory error, or a device failure or malfunction; and various software errors, such as arithmetic overflow, attempt to access forbidden memory location, and inability of the OS to grant the request of an application. In each case, the Operating System must make the response that clears the error condition with the least impact on running applications.
Responda
  • Error detection and response
  • System access
  • Controlled access to files

Questão 91

Questão
How is the following service called? A good Operating System collects usage statistics for various resources and monitor performance parameters such as response time. On any system, this information is useful in anticipating the need for future enhancements and in tuning the system to improve performance.
Responda
  • Accounting
  • System access
  • Controlled access to files

Questão 92

Questão
Select two independent dimensions of the Operating System
Responda
  • batch and interactive
  • batch and computer operator
  • Interactive and computer operator

Questão 93

Questão
Select the ARM Memory-Management Parameter according to this description. These bits control access to the corresponding memory region. If an access is made to an area of memory without the required permissions, a Permission Fault is raised.
Responda
  • Access Permission (AP), Access Permission Extension (APX)
  • Bufferable (B) bit
  • Cacheable (C) bit

Questão 94

Questão
Select ARM Memory-Management Parameter according to this description. Determines, with the TEX bits, how the write buffer is used for cacheable memory.
Responda
  • Bufferable (B) bit
  • Cacheable (C) bit
  • Type Extension (TEX)

Questão 95

Questão
What is a latency?
Responda
  • It indicates how the nodes a network are organized
  • It is the delay in transferring the message between two nodes
  • It is the minimum distance between the farthest nodes in a network

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