●Thebasic concept of a data (72) is the difference between data and information.(72) A．warehouseB．storageC．baseD．service
●Thebasic concept of a data (72) is the difference between data and information.
(72) A．warehouse
B．storage
C．base
D．service
相关考题：
●A firewall is a (71) system designed to (72) an organization′s network against threats.(71) A．operatingB．programmingC．securityD．data(72) A．preventB．protectC．examineD．exploit
输入哪条命令可以看到以下信息?（ ） LS DataBase Type :Router Ls id :10.1.2.2 Ady rtr :1050 Len :72 Seq :80000008 Cksum (DC) Area Border Router Link count 4 Link id :192.168.2.1 Data :255.255.255.255 Metric:1562 Link id :10.1.2.2 Data :10.1.3.1 Type :Router Metric :1562 Link id :10.1.3.2 Data :255.255.255.255 Type :StubNet Metric :1562A.show ip routeB.show ip ospf isaC.show ip ospf databaseD.show ip ospf interface
A firewall is a(71)system designed to(72)an organization's network against threats.A．operatingB．programmingC．securityD．data
● Spyware and other forms of malware are the biggest online threat to your computer's （71） nowadays. These malicious （72）which get to your PC through freeware, shareware, commercial sites, deceptive pop-ups or in any other way, can record your surfing habits and sites you visit, share your personal information with their partners. Any personal （73）, when inwrong hands, can leave you a victim of an "identity theft" by steeling your credit （74）details,birth records and other （75） information.
在有13个元素构成的有序表data[1..13]中，用折半查找（即二分查找，计算时向下取整）方式查找值等于data[8]的元素时，先后与(41)等元素进行了比较。A.data[7]. data[6]. data[8]B.data[7]. Data[8]C.data[7]. data[10]. data[8]D.data[7]. data[10]、data[9]. data[8]
在有13个元素构成的有序表data[1..13]中，用折半查找(即二分查找，计算时向下取整)方式查找值等于data[8]的元素时，先后与( )等元素进行了比较。A.data[7]、data[6]、data[8]B.data[7]、data[8]C.data[7]、data[10]、data[8]D.data[7]、data[10]、data[9]、data[8]
The term computer describes a device made up of a combination of electronic 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 ( 72) 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 (73 ) Often, a system approach is used to define, describe, and solve a problem or to meet a(an)（ 74） From time to time, organizations need to (75 ) 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）应选（ ）。 A. informationB. software C. intelligenceD. Data
将数据库导入R语言后，可用（）显示数据库结构，用（）查看数据库行列数，用（）查看每个变量的基本统计值。A．str(data) summary(data) dim(data)B．str(data) dim(data) summary(data)C．dim(data) summary(data) str(data)D．summary(data) dim(data) str(data)