单选题以下描述的措施中,不属于电子电路抗干扰措施的是( )
单选题F(A,B,C,D)=∑m(5)+∑d(1,7,11,13,15)的最简与或表达式是(21)。
单选题以下四个选项中,不属于NOR Flash的存储特性的是( )
单选题某四级指令流水线分别完成取指、取数、运算、保存结果四步操作
单选题A real-time operating system
单选题The TCP/IP stack is a complete set of networking protocols.The OSI Model was meant to be a standardized way of connecting devices together,and most protocols have some direct correlation to the OSI Model.The OSI Model has 7 layers,the fourth layer is called________.
单选题软件配置管理是一组用于在计算机软件( )管理变化的活动
单选题W3C 制定了同步多媒体集成语言规范,称为(12) 规范。
单选题下面 (42) 特性不符合嵌入式操作系统特点。
单选题嵌入式处理器指令系统一般采用精简指令集(RISC)或者复杂指令集(CISC),以下关于RISC和CISC的叙述中,错误的是______。
单选题Thefollowingdiagramisatypical_______.
单选题Prior to the availability of enterprise EDM, locating a document over a LAN could be difficult, and over a WAN (66) impossible. With the model for collaborative work spreading, and with more users sharing (67) through E-mail and the Internet, enterprise EDM had become a necessity. Many businesses are finding their greatest competitive advantage is the ability to harness the document (68) . EDM systems manage this lifecycle from creation, revision, storage and (69) to routing and workflow. They also allow users to work on documents collaboratively. Reusability of information is EDM's main benefit, as well as the key to creating the paradigms that drive business process (70) .
单选题某航空公司拟开发一个机票预订系统
单选题嵌入式操作系统中,( )不属于任务间同步机制。
单选题下面的一段C 程序中,循环体语句 ( ) 退出循环。
unsigned char size;
int aa;
size = 100;
while (size-- >= 0) {
aa += size;
}
单选题李某在某软件公司兼职,为完成该公司交给的工作,作出了一项涉及计算机程序的发明。李某认为自己主要是利用业余时间完成的发明,可以个人名义申请专利。关于此项发明的专利申请权应归属 (12) 。
单选题下图为典型直接存储器访问(DMA)控制器的结构示意图,图中(a)应为( )。
单选题对布尔表达式进行短路求值是指:无须对表达式中所有操作数或运算符进行计算就可确定表达式的值
单选题嵌入式系统中配置了大量的外围输入输出设备,可以分为三大类:字符设备、块设备和M络设备
单选题______既不是图像编码也不是视频编码的国际标准。 A.JPEG B.MPEG C.ADPCM D.H.261