试题1

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试题2

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试题3

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试题4

（ ）  是右图的合法拓扑序列。

A、6 5 4 3 2 1
B、1 2 3 4 5 6
C、5 6 3 4 2 1
D、5 6 4 2 1 3

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试题5

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试题6

上海市标准化行政主管部门制定并发布的工业产品的安全、卫生要求的标准，在其行政区域内是（ ）。
A、强制性标准  
B、推荐性标准  
C、自愿性标准  
D、指导性标准

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试题7

A project is a [temporary] ( 1 )of unique,complex,and connected activities having one goal or purpose and that must be completed by a specific time,within budget,and according to ( 2 )。
Project management is the process of scoping,planning,staffing，organizing,directing,and controlling the development of a(n) ( 3 ) system at a minimum cost within a specified time frame、
For any systems development project,effective project management is necessary to ensure that the project meets the ( 4 ) ,is developed within an acceptable budget,and fulfills customer expectations and specifications、Project management is a process that starts at the beginning of a project,extends through a project,and doesn’t culminate until the project is completed、
The prerequisite for good project management is a well-defined system development process、Process management is an ongoing activity that documents,manages the use of,and improves an organization’s chosen methodology (the“process”) for system development、Process management is concerned with the activities,deliverables,and quality standards to be applied to ( 5 ) project(s)、
(1)A、task
B、work
C、sequence
D、activity
(2)A、specifications
B、rules
C、estimates
D、designs
(3)A、perfect
B、acceptable
C、controlled
D、completed
(4)A、deadline
B、specification
C、expectation
D、requirement
(5)A、asingle
B、aparticular
C、some
D、all

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试题8

设f表示某个二元逻辑运算符，PfQ的真值表如下表所示，则PfQ等价于（ ）。

A、P∨┐Q
B、┐P∧Q
C、┐P∧┐Q
D、┐P∨┐Q

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试题9

DHCP协议的功能是(1)，FTP使用的传输层协议为(2)
（1）A.WINS名字解析
B.静态地址分配
C.DNS名字登录
D.自动分配IP地址
（2）A.TCP
B.IP
C.UDP
D.HDLC

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试题10

若每一条指令都可以分解为取指、分析和执行三步。已知取指时间t_取指=5△t,分析时间t_分析=2△t，执行时间t_执行=5△t。如果按顺序方式从头到尾执行完500 条指令需（1）△t。如果按照[执行]_k、[分析]_k+1 、[取指]_k+2重叠的流水线方式执行指令，从头到尾执行完500 条指令需（2）△t。
（1）A、5590
B、5595
C、6000
D、6007
（2）A、2492
B、2500
C、2510
D、2515

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