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:
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)
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
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?
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
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?
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?
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?
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 …
Question 58
Question
Typical levels of Cache memories …
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 …
Question 73
Question
The two basic forms of semiconductor random access memory are
Question 74
Question
Main element of cache memory
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 …
Question 78
Question
To increase density, modern hard disk systems use a technique known as
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
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.
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.
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.
Question 92
Question
Select two independent dimensions of the Operating System
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.
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