单选题I/O端口的编址方法有二种:即I/O端口单独编址方式和UO端口与存储器单元统一编址方式。在某个计算机系统中,内存与I/O是统一编址的,要靠{{U}} {{/U}}区分和访问内存单元和I/O设备。 A) 数据总线上输出的数据 B) 不同的地址代码 C) 内存与I/O设备使用不同的地址总线 D) 不同的指令
单选题8.{{U}} {{/U}}is the process of obtaining the stakeholdrs' formal acceptance of the completed project Scope. Verifying the scope includes reviewing deliverables and work results to ensure that all were completed satisfactorily. A. Project acceptance B. Scope verification C. Scope definition D. WBS Creation
单选题In (71) programming,the user determines the sequence of instructions to be executed,not the programmer.
单选题下列不属于超媒体系统组成的是 (62) 。
单选题在进行金融业务系统的网络设计时,应该优先考虑{{U}} {{/U}}原则。 A.先进性 B.开放性 C.经济性 D.高可用性
单选题可以用p.a的形式访问派生类对象p的基类成员a,其中a是 (50) 。
单选题元素 3、1、2 依次全部进入一个栈后,陆续执行出栈操作,得到的出栈序列为( )。
单选题Structured programming practices ______ rise to Pascal, in which constructs were introduced to make programs more readable and better ______. C provided a combination of assembly language and high-level structure to create a general-purpose language that could be used from system to ______ programming. Next came object orientation, which is ______ of a methodology and design philosophy than a language issue. This is ______ by the addition of so-called OO extensions to current languages, such as C.
单选题1到1000的整数(包含1和1000)中,至少能被2、3、5任意一个数整除的数共有 (63) 个。
单选题软件测试通常可分为白盒测试和黑盒测试。其中,黑盒测试是根据 (55) 来设计测试用例。
单选题软件测试的目的是 (50) 。 A) 证明软件的正确性 B) 找出软件系统中存在的所有错误 C) 证明软件系统中存在错误 D) 尽可能多的发现软件系统中的错误
单选题IPSec creates a standard platform to develop secure networks and
electronic {{U}} {{U}} {{/U}} {{/U}}between two machines。
A. tunnels
B. interfaces
C. systems
D. passwords
单选题类的实例化过程不仅是根据单个类进行的空间分配、初始化和绑定,它是一种实例的合成过程。指与编译程序进行这种合成的是 (46) 。
单选题
单选题
单选题In C language,functions are important because they provide a way to (69) code so that a large complex program can be written by combining many smaller parts.
单选题函数f()、g()的定义如下所示,调用函数f()时传递给形参x的值为1。若采用传引用(callbyreference)的方式调用g(y),则函数f()的返回值为(49);若采用传值(callbyvalue)的方式调用g(y),则函数f的返回值为(50)。
单选题In C language,a is a series of characters enclosed in double quotes。 A.matrix B.string C.program D.stream
单选题采用邻接表存储的图的深度优先遍历算法类似于树的 (41) ,采用邻接表存储的图的广度优先遍历算法类似于树的 (42) 。
单选题设关系R和S的结构相同,并且各有80个元组,假如这两个关系做并运算,其运算结果的元组个数为 (17) 。
