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系统规划与管理师每日一练试题内容（2020/7/15）

试题1： 完整的软件测试需要经过（  ）。
A．白盒测试、黑盒测试两个步骤
B．人工测试、机器测试两个步骤   
C．静态测试、动态测试两个步骤
D．单元测试、组装测试、确认测试和系统测试四个步骤试题解析与讨论：www.cnitpm.com/st/3131417802.html
试题参考答案：D

试题2： 某企业通过一台路由器上联总部，下联4个分支机构，设计人员分配给下级机构一个连续的地址空间，采用一个子网或者超网段表示。这样做的主要作用是（ ）。
A.层次化路由选择
B.易于管理和性能优化
C.基于故障排查
D.使用较少的资源
试题解析与讨论：www.cnitpm.com/st/3582916304.html
试题参考答案：A

试题3： The purpose of a programming system is to make a computer easy to use. To do this, it furnishes languages and various facilities that are in fact programs invoked and controlled by language features. But these facilities are bought at a price: the external description of a programming system is ten to twenty times as large as the external description of the computer system itself. The user finds it far easier to specify any particular function, but there are far more to choose from, and far more options and formats to remember.
Ease of use is enhanced only if the time gained in functional specification exceeds the time lost in learning, remembering, and searching manuals. With modern programming systems this gain does exceed the cost, but in recent years the ratio of fain to cost seems to have fallen as more and more complex(71 ) have been added.
Because ease of use is the purpose, this radio of function to conceptual complexity is the ultimate test of system design. Neither function alone nor simplicity alone( 72) a good design.
This point is widely misunderstood. Function, and not simplicity, has always been the measure of excellence for its designers. As soon as ease of use is held up as the criterion, each of these is seen to be(73 ) , reaching for only half of the true goal.
For a given level of function, however, that system is best in which one can specify things with the most simplicity and straightforwardness. (74 ) is not enough. Mooer’s TRAC language and Algol 68 achieve simplicity as measured by the number of distinct elementary concepts.
They are not, however, straightforward. The expression of the things one wants to do often requires involuted (复杂的）and unexpected combinations of the basic facilities. It is not enough to learn the elements and rules of combination; one must also learn the idiomatic usage, a whole lore of how the elements are combined in practice. Simplicity and straightforwardness proceed from conceptual(75 ) . Every part must reflect the same philosophies and the same balancing of desiderata. Every part must use the same techniques in syntax and the analogous notions in semantics. Ease of use, then, dictates unity of design, conceptual integrity.
71A.systems
B.functions
C.programs
D.manuals
72A.defines
B.canbe
C.constructs
D.costs
73A.stabilize
B.equalized
C.unbalanced
D.balanced
74A.Function
B.System
C.Straightforwardness
D.Simplicity
75A.integrity
B.isolation
C.durability
D.consistency

试题解析与讨论：www.cnitpm.com/st/4011929149.html
试题参考答案：B、B、A、C、A

试题4： （ ）是指系统或其组成部分能在其它系统中重复使用的特性。
A．可重用性
B．可移植性
C．可维护性
D．可扩充性试题解析与讨论：www.cnitpm.com/st/3106623609.html
试题参考答案：A

试题5： 微型计算机系统中，显示器属于（）。
A．表现媒体 
B．传输媒体   
C．表示媒体   
D．存储媒体试题解析与讨论：www.cnitpm.com/st/3121925636.html
试题参考答案：A

试题6： 通过（ ）不能减少用户计算机被攻击的可能性。
A．选用比较长和复杂的用户登录口令
B．使用防病毒软件
C．尽量避免开放更多的网络服务
D．定期使用硬盘碎片整理程序
试题解析与讨论：www.cnitpm.com/st/311422709.html
试题参考答案：D

试题7： 主频是反映计算机（）的计算机性能指标。
A．运算速度
B．存取速度
C．总线速度
D．运算精度试题解析与讨论：www.cnitpm.com/st/3098227223.html
试题参考答案：A

试题8： （ ）作为重要的IT系统管理流程，可以解决IT投资预算、IT成本、效益核算和投资评价等问题，从而为高层管理者提供决策支持。
A．IT财务管理
B．IT可用性管理
C．IT性能管理 
D．IT资源管理
试题解析与讨论：www.cnitpm.com/st/3101223784.html
试题参考答案：A

试题9： 以下关于GPU的叙述中，错误的是()。
A.GPU是CPU的替代产品
B.GPU目前大量用在比特币的计算方面
C.GPU采用单指令流多数据流计算架构
D.GPU擅长进行大规模并发计算
试题解析与讨论：www.cnitpm.com/st/401802311.html
试题参考答案：A

试题10： 在计算机体系结构中，CPU 内部包括程序计数器 PC、存储器数据寄存器 MDR、指令寄存器IR 和存储器地址寄存器MAR 等。若CPU 要执行的指令为： MOV  R0，＃100（即将数值100传送到寄存器R0中），则CPU 首先要完成的操作是（）。
A．100→R0
B．100→MDR
C．PC→MAR
D．PC→IR试题解析与讨论：www.cnitpm.com/st/3077019203.html
试题参考答案：C