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系统规划与管理师每日一练试题内容(2020/1/1)
试题
1: 以下关于RISC指令系统特点的叙述中,不正确的是()。
A.对存储器操作进行限制,使控制简单化
B.指令种类多,指令功能强
C.设置大量通用寄存器
D.其指令集由使用频率较高的一些指令构成,以提高执行速度
试题解析与讨论:
www.cnitpm.com/st/3090624561.html试题参考答案:B
试题
2: 连接数据库过程中需要指定用户名和密码,这种安全措施属于()。
A.数据加密
B.授权机制
C.用户标识与鉴别
D.视图机制试题解析与讨论:
www.cnitpm.com/st/30912520.html试题参考答案:C
试题
3: 操作系统通过()来组织和管理外存中的信息。
A.设备驱动程序
B.文件目录
C.解释程序
D.磁盘分配表试题解析与讨论:
www.cnitpm.com/st/3098427740.html试题参考答案:B
试题
4: 编制预算是以预算项目的成本预测与IT服务工作量的预测为基础的。预算编制方法主要有增量预算和()。
A.减量预算
B.差异预算
C.标准预算
D.零基预算
试题解析与讨论:
www.cnitpm.com/st/310256620.html试题参考答案:D
试题
5: 关系数据库系统能实现的专门关系运算包括()。
A.排序、索引、统计
B.选择、投影、连接
C.关联、更新、排序
D.显示、打印、制表
试题解析与讨论:
www.cnitpm.com/st/3106115524.html试题参考答案:B
试题
6: 违反()而造成不良后果时,将依法根据情节轻重受到行政处罚或追究刑事责任。
A.强制性国家标准
B.推荐性国家标准
C.实物标准
D.推荐性软件行业标准
试题解析与讨论:
www.cnitpm.com/st/3108523920.html试题参考答案:A
试题
7: 网络安全机制主要包括接入管理、()和安全恢复等三个方面。
A.安全报警
B.安全监视
C.安全设置
D.安全保护试题解析与讨论:
www.cnitpm.com/st/311091353.html试题参考答案:B
试题
8: (1 )是指CPU一次可以处理的二进制数的位数,它直接关系到计算机的计算精度、速度等指标;运算速度是指计算机每秒能执行的指令条数,通常以(2 )为单位来描述。
(1 )A.带宽
B.主频
C.字长
D.存储容量
(2)A.MB
B.HZ
C.MIPS
D.BPS试题解析与讨论:
www.cnitpm.com/st/311324930.html试题参考答案:C、C
试题
9: The term computer describes a device made up of a combination of electronic and electromechanical components. By itself, a computer has no ( 1) and is referred to as hardware, which means simply the physical equipment. The hardware can't be used until it is connected to other elements, all of which constitute the six parts of a computer-based information system,hardware,software,data/information, people, procedures and communications.
A system is defined as a collection of related components that ( 2) to perform a task in order to accomplish a goal. Any organization that uses information technology will have a computer-based information system to provide managers (and various categories of employees)with the appropriate kind of information to help them make decisions.
Systems analysis and design is to ascertain how a system works and then take steps to make it (3 ) Often, a system approach is used to define, describe, and solve a problem or to meet a(an)( 4)
From time to time, organizations need to (5 ) their information systems, in, response to new marketing' opportunities, modified government regulations, the introduction .of new technology, merger with another company, or other developments. When change is needed, the time is ripe for applying the principles of systems analysis and design.
( 1)A.information
B.software
C.intelligence
D.data
( 2)A.interact
B.work
C.connect
D.change
( 3)A.improved
B.better
C.good
D.best
(4)A.decision
B.need
C.standard
D.objective
( 5)A.modify
B.replace
C.change
D.transfer试题解析与讨论:
www.cnitpm.com/st/31261477.html试题参考答案:C、A、B、D、C
试题
10: 在采用三级模式结构的数据库系统中,如果对数据库中的表Emp创建聚簇索引,那么改变的是数据库的( )。
A.模式
B.内模式
C.外模式
D.用户模式试题解析与讨论:
www.cnitpm.com/st/31279373.html试题参考答案:B