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БАЗА 1(Questions 91-185)

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PC Architecture Quiz on БАЗА 1(Questions 91-185), created by Csse 1502 on 23/05/2018.
Csse 1502
Quiz by Csse 1502, updated more than 1 year ago
Csse 1502
Created by Csse 1502 almost 6 years ago
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Resource summary

Question 1

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

Question 2

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

Question 3

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

Question 4

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

Question 5

Question
What is a topology in interconnection networks?
Answer
  • 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

Question 6

Question
What is a network diameter?
Answer
  • 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

Question 7

Question
What is a node degree?
Answer
  • 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

Question 8

Question
What is a bisection bandwidth?
Answer
  • 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

Question 9

Question
What is a network throughput?
Answer
  • 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

Question 10

Question
What is a data routing functions?
Answer
  • 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

Question 11

Question
What is a hardware cost?
Answer
  • 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

Question 12

Question
What is a blocking and non-blocking network?
Answer
  • 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

Question 13

Question
Design issue of interconnection network?
Answer
  • Software Cost
  • Hardware Cost
  • RLP
  • Symmetry of the network

Question 14

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

Question 15

Question
What is the Message Size?
Answer
  • 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

Question 16

Question
What is a Data transfer time?
Answer
  • 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

Question 17

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

Question 18

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

Question 19

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

Question 20

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

Question 21

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

Question 22

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

Question 23

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

Question 24

Question
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
Answer
  • Multithreading
  • Computing
  • Array processing

Question 25

Question
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
Answer
  • Multithreading
  • Vector processes
  • Computing
  • Array processing

Question 26

Question
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
Answer
  • Multithreading
  • Branch
  • Prediction
  • Array processing

Question 27

Question
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
Answer
  • Multithreading
  • Branch
  • Branch Prediction

Question 28

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

Question 29

Question
Select two-dimensional network
Answer
  • Mesh
  • Linear array
  • Cross bar

Question 30

Question
Single instruction, single data (SISD)
Answer
  • 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

Question 31

Question
In serial computing
Answer
  • 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

Question 32

Question
In parallel computing
Answer
  • 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

Question 33

Question
Shared memory …
Answer
  • 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

Question 34

Question
Massively parallel . . .
Answer
  • 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

Question 35

Question
Embarrassingly parallel . . .
Answer
  • 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

Question 36

Question
Network performance depends of what?
Answer
  • performance of switches and transmission system
  • performance of switches
  • performance of transmission system
  • has no dependencies

Question 37

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

Question 38

Question
A _____________ interconnection network is an extension of cube network
Answer
  • Hyper Cube
  • Cube
  • Linear Array

Question 39

Question
Pipelining …
Answer
  • 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

Question 40

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

Question 41

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

Question 42

Question
What functions has Instruction Set Architecture (ISA)?
Answer
  • 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

Question 43

Question
What is the TLP?
Answer
  • Time Level Parallelism
  • Technology Level Parallelism
  • Task Level Parallelism

Question 44

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

Question 45

Question
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?
Answer
  • 3
  • 2
  • 4

Question 46

Question
What is the “Module reliability” in Dependability?
Answer
  • 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

Question 47

Question
What is response time?
Answer
  • 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

Question 48

Question
The guiding principle of reporting performance measurements should be?
Answer
  • reproducibility
  • responsibility
  • creativity

Question 49

Question
What is Temporal Locality?
Answer
  • 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

Question 50

Question
What is Spatial Locality?
Answer
  • 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

Question 51

Question
What is Amdahl's law?
Answer
  • 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

Question 52

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

Question 53

Question
The three Cs model sorts all misses into three simple categories: Compulsory, Capacity, Conflict. What is Compulsory?
Answer
  • 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

Question 54

Question
The three Cs model sorts all misses into three simple categories: Compulsory, Capacity, Conflict. What is Capacity?
Answer
  • 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

Question 55

Question
The three Cs model sorts all misses into three simple categories: Compulsory, Capacity, Conflict. What is Conflict?
Answer
  • 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

Question 56

Question
The “natural” unit of organization of memory
Answer
  • Word
  • Document
  • Several Computer

Question 57

Question
Main element of cache memory is …
Answer
  • Line
  • Word
  • String

Question 58

Question
Typical levels of Cache memories …
Answer
  • 1,2,3 levels
  • 1,2,3,4,5 levels
  • Cache memories have no levels

Question 59

Question
Select internal memory …
Answer
  • Hard Disk
  • CD-ROM
  • Processor registers

Question 60

Question
Select internal memory
Answer
  • Hard Disk
  • Optical disk
  • Main memory

Question 61

Question
Select internal memory
Answer
  • Cache
  • Magnetic tape
  • Optical disks

Question 62

Question
Select external memory?
Answer
  • Processor registers
  • Cache
  • Main memory
  • Hard disks

Question 63

Question
Select external memory
Answer
  • Optical Disk
  • Cache level 1
  • Registers of processor

Question 64

Question
Select external memory
Answer
  • Magnetic tape
  • Main memory
  • All cache memories

Question 65

Question
Physical types of memories:
Answer
  • Direct, Random
  • Direct, Access time
  • Semiconductor, Optical

Question 66

Question
Physical types of memories:
Answer
  • Semiconductor, Magnetic
  • Word, Block
  • Direct, Random

Question 67

Question
Physical types of memories:
Answer
  • Magneto-optical
  • Number of words
  • Number of bytes

Question 68

Question
Select correct memory hierarchy:
Answer
  • Cache – Main Memory – Secondary storages
  • Secondary storages - Cache – Main Memory
  • Main Memory – Cache - Secondary storages

Question 69

Question
Select correct memory hierarchy:
Answer
  • Processor registers – Cache memory – Main memory
  • Cache memory – Main memory - Processor registers
  • Cache memory – Processor registers - Main memory

Question 70

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

Question 71

Question
Types of cache addresses
Answer
  • Logical, Physical
  • Direct, Associative
  • Set Associative

Question 72

Question
A logical cache stores data using …
Answer
  • virtual addresses
  • virtual addresses and physical addresses
  • Physical addresses

Question 73

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

Question 74

Question
Main element of cache memory
Answer
  • Tag
  • Word
  • String

Question 75

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

Question 76

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

Question 77

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

Question 78

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

Question 79

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

Question 80

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

Question 81

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

Question 82

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

Question 83

Question
The operating system …
Answer
  • 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

Question 84

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

Question 85

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

Question 86

Question
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…
Answer
  • Program execution
  • Access to I/O devices
  • Program creation

Question 87

Question
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.
Answer
  • Program creation
  • Access to I/O devices
  • Program execution

Question 88

Question
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.
Answer
  • Access to I/O devices
  • Program execution
  • Program creation

Question 89

Question
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.
Answer
  • Controlled access to files
  • Access to I/O devices
  • System access

Question 90

Question
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.
Answer
  • Error detection and response
  • System access
  • Controlled access to files

Question 91

Question
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.
Answer
  • Accounting
  • System access
  • Controlled access to files

Question 92

Question
Select two independent dimensions of the Operating System
Answer
  • batch and interactive
  • batch and computer operator
  • Interactive and computer operator

Question 93

Question
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.
Answer
  • Access Permission (AP), Access Permission Extension (APX)
  • Bufferable (B) bit
  • Cacheable (C) bit

Question 94

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

Question 95

Question
What is a latency?
Answer
  • 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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