11798154
Descripción
Test por Little Johnny, actualizado hace más de 1 año
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Creado por Little Johnny
hace más de 6 años
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Pregunta 1
Pregunta
158. Choose the characteristics of Harvard architecture
Respuesta
-
separate program and data memories
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separated buses allow one instruction to execute while the next instruction is fetched
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data and instructions mustn’t have the same width
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one memory for data and program
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CPU provides address to get data or instruction
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data and instructions must have the same width
Pregunta 2
Pregunta
159. Which of the following architectures differs by memory accessing?
Respuesta
-
Von Neumann
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Harvard
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Complex Instruction Set Computers
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Reduced Instruction Set Computers
Pregunta 3
Pregunta
160. Choose the correct answer for the following characteristics: 1. Depend mainly on its peripherals 2. Used for a few dedicated functions 3. Usually used as a part of a larger system
Respuesta
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Microcontroller
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General purpose microprocessor
Pregunta 4
Pregunta
161. Choose the correct syntax of assembly statements
Respuesta
-
name operation operand(s) comments
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operation name operand(s) comments
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operation operand(s) name comments
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comments name operation operand(s)
Pregunta 5
Pregunta
163. Name field of assembly statement is not case sensitive
Respuesta
- True
- False
Pregunta 6
Pregunta
164. Choose the legal name(s) in assembly
Respuesta
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@variable_name
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variable?
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variable&name
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variable name
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1variable
Pregunta 7
Pregunta
165. In two-operand instruction, the first operand is source and the second operand is destination
Respuesta
- True
- False
Pregunta 8
Pregunta
166. An instruction may have one or more operands
Respuesta
- True
- False
Pregunta 9
Pregunta
167. In assembly language you can express data only in binary and decimal
Respuesta
- True
- False
Pregunta 10
Pregunta
168. You should use a radix symbol in order to differentiate between binary, octal or hexadecimal
Respuesta
- True
- False
Pregunta 11
Pregunta
169. Which symbol you should use to leave the variable uninitialized
Respuesta
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?
-
!
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@
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$
Pregunta 12
Pregunta
170. In assembly language, you can skip the name of variable
Respuesta
- True
- False
Pregunta 13
Pregunta
171. Choose the correct syntax of variable declaration in assembly
Respuesta
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variable_name type initial_value
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type variable_name initial_vaule
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type initial_value variable_name
Pregunta 14
Pregunta
173. Choose the definition of code segment in assembly
Respuesta
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Contains a program’s instructions
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A block of memory to store a stack
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All variable definitions
Pregunta 15
Pregunta
174. Choose the definition of data segment in assembly
Respuesta
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All variable definitions
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A block of memory to store a stack
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Contains a program’s instructions
Pregunta 16
Pregunta
175. Choose the definition of stack segment in assembly
Respuesta
-
A block of memory to store a stack
-
All variable definitions
-
Contains a program’s instructions
Pregunta 17
Pregunta
176. There is no memory allocated for constants in assembly language
Respuesta
- True
- False
Pregunta 18
Pregunta
177. Which keyword you should use in order to define a constant in assembly language
Respuesta
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EQU
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DD
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CONST
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EQ
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DW
Pregunta 19
Pregunta
178. In assembly statement name and comment are mandatory
Respuesta
- True
- False
Pregunta 20
Pregunta
179. How many deadlock recovery algorithms are there?
Respuesta
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4
-
3
-
2
-
5
-
1
Pregunta 21
Pregunta
180. There are 3 approaches of deadlock avoidance
Respuesta
- True
- False
Pregunta 22
Pregunta
181. There are 2 policies of deadlock prevention
Respuesta
- True
- False
Pregunta 23
Pregunta
182. Choose the correct approach for the following definition "involves recognizing when deadlock has occurred, and trying to recover"
Respuesta
-
Deadlock detection and recovery
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Deadlock avoidance
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Deadlock prevention
Pregunta 24
Pregunta
183. Choose the correct approach for the following definition "involves making dynamic choices that guarantee prevention"
Respuesta
-
Deadlock avoidance
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Deadlock prevention
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Deadlock detection and recovery
Pregunta 25
Pregunta
184. Choose the correct approach for the following definition "adopting a static policy that disallows one of the four conditions above"
Respuesta
-
Deadlock prevention
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Deadlock detection and recovery
-
Deadlock avoidance
Pregunta 26
Pregunta
185. There are 4 approaches of dealing with deadlock
Respuesta
- True
- False
Pregunta 27
Pregunta
186. Choose the correct answer for the following definition "A closed chain of processes exists, such that each process is blocked waiting for a resource held by another process in the set"
Respuesta
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Circular wait
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Mutual exclusion
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No preemption
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Hold and wait
Pregunta 28
Pregunta
187. Choose the correct answer for the following definition: "No process can be forced to release a resource"
Respuesta
-
No preemption
-
Mutual exclusion
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Hold and wait
-
Circular wait
Pregunta 29
Pregunta
188. Choose the correct answer for the following definition "A process may hold some resources while waiting for others"
Respuesta
-
Hold and wait
-
Mutual exclusion
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Circular wait
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No pre-emption
Pregunta 30
Pregunta
Choose the correct answer for the following definition "Only one process may use a resource at one time"
Respuesta
-
Mutual exclusion
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Circular wait
-
No preemption
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Hold and wait
Pregunta 31
Pregunta
190. How many policy conditions for deadlock to be possible are there?
Respuesta
-
3
-
4
-
2
-
1
Pregunta 32
Pregunta
191. What is the deadlock?
Respuesta
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Permanent blocking of a set of processes that either compete for global resources or communicate with each other
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Interleaving of processes in time to give the appearance of simultaneous execution
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When one process is inside a critical section of code, other processes must be prevented from entering that section
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Processes “communicate” via global counters that are initialized to a positive integer and that can be accessed only through two atomic operations
Pregunta 33
Pregunta
192. Deadlock occurs when each process in the set is blocked awaiting an event that can be triggered only by another blocked process in the set
Respuesta
- True
- False
Pregunta 34
Pregunta
193. In which of the following approaches there is no shared data?
Respuesta
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Message passing
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Mutual exclusion
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Monitors
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Semaphores
Pregunta 35
Pregunta
194. Choose the correct answer for the following definition "Synchronization between processes is defined by the blocking policy attached to the sending and receiving of messages"
Respuesta
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Message passing
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Mutual exclusion
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Monitors
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Semaphores
Pregunta 36
Pregunta
195. Monitors are similar to classes in java and has methods and fields
Respuesta
- True
- False
Pregunta 37
Pregunta
196. In atomic operations semSignal(x) and semWait(x), what is the 'x'?
Respuesta
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The number of processes that can execute critical section
-
The number of processes
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The number of monitors
-
No correct answer
Pregunta 38
Pregunta
197. When using semaphores, processes communicate using messages
Respuesta
- True
- False
Pregunta 39
Pregunta
198. We can implement mutex through the OS or using programming languages
Respuesta
- True
- False
Pregunta 40
Pregunta
199. How many approaches of mutex implementation are there?
Respuesta
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3
-
4
-
2
-
5
-
1
Pregunta 41
Pregunta
200. Choose the correct answer for the following definition "When one process is inside a critical section of code, other processes must be prevented from entering that section"
Respuesta
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Mutual exclusion
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Semaphores
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Monitors
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Message passing
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Critical section
Pregunta 42
Pregunta
201. In concurrency optimal allocation of resources is difficult
Respuesta
- True
- False
Pregunta 43
Pregunta
202. In concurrency, locating programming errors can't be difficult, because the contexts in which errors occur cannot always be reproduced easily
Respuesta
- True
- False
Pregunta 44
Pregunta
203. In concurrency, sharing global resources safely is difficult
Respuesta
- True
- False
Pregunta 45
Pregunta
204. Concurrency offers genuine simultaneous execution
Respuesta
- True
- False
Pregunta 46
Pregunta
205. Parallelism is interleaving of processes in time to give the appearance of simultaneous execution
Respuesta
- True
- False
Pregunta 47
Pregunta
206. Choose the correct answer for the following definition "multiple processes on multiple systems"
Respuesta
-
Distributed processing
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Multiprogramming
-
Multiprocessing
Pregunta 48
Pregunta
207. Choose the correct answer for the following definition "multiple processes on a system with multiple processors"
Respuesta
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Multiprocessing
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Multiprogramming
-
Distributed processing
Pregunta 49
Pregunta
208. Choose the correct answer for the following definition "multiple processes on a system with a single processor"
Respuesta
-
Multiprogramming
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Multiprocessing
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Distributed processing
Pregunta 50
Pregunta
209. How many categories of process management are there?
Respuesta
-
3
-
4
-
1
-
2
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