操作系统与系统级编程-选择题-期末考试

a. may describe the same algorithm

b. describes the actions of the computer, not just of the CPU

c. does not engage any transistors during its execution

d. is the native way to program most computers

a. C++ code

b. machine code

c. logic Gates

d. C code

a. good, because it ensures compilation is not done incrementally by accident

b. good, because tools from different sources cannot be made to interact with each other

c. bad, because all the tools will then have the same user interface

d. bad, because no single vendor is likely to be the source of all the best tools

a. II and III only

b. II and III only

c. II only

d. I, II and III

a. the program is usually executed to the point at which the behavior occurs and then

executed backwards to find the cause

b. the faulty code fragment must first be identified

a. the simplest type of application Visual C++ can generate

b. the status window of the Visual C++ environment

c. a program that is able to control the operating system of a windows computer

A.最简单的应用程序可视化 c++可以生成

b . Visual c++环境的状态窗口

a. an ASCII character

b. the color of a single pixel on a true-color computer display

c. the current channel of a television receiver

电灯开关的位置

b 一个 ASCII 字符

c .真彩色电脑显示器上单个像素的颜色

d .电视接收器的当前频道

a. I only

b. I and II only

c. I and III only

d. II only

a. An exception is raised unless disabled by calling _controlfp().

b. A special value "infinity" is computed, testable with _finite().

c. Program execution is halted.

d. An erroneous value is computed and execution continues.

除非通过调用_controlfp()禁用一个异常。

b .一个特殊的值“无穷大”是用_限定的()来计算的。

c .程序执行停止。

d .错误的值被计算并继续执行。

d. 0xB5

a. 0x5434

b. 0x1030

c. 0x5636