某企业要求计算机机房内开、停机时温度、湿度应满足A 级标准。按照该标准，夏天停机时对机房内的温度要求是（17）……

单项选择题A．0.5B．1.0C．1.5D．2.0

单项选择题A．质量策划 B．质量控制C．质量保证D．质量改进

单项选择题A．300 B．400 C．500 D．600

单项选择题A．软件过程 B．软件工具C．质量保证D．软件工程

单项选择题100BASE-FX 中的多模光纤最长的传输距离为（ ） 。

单项选择题（ ） Development is a structured design methodology that proceeds in a sequence from one phase to the next.

单项选择题Since RAM is only active when the computer is on, your computer uses disk to store information even when the computer is off. Which of the following is true （ ）

单项选择题Stack is quite simple. Many computer systems have stacks built into their circuitry.They also have machine-level instructions to operate the hardware stack. Stack is （ ） in computer systems.

单项选择题The basic unit of measure in a computer system is the（ ）. It is the smallest unit in computing. There are some other measures in a computer, such as Kilobyte,Megabyte, Gigabyte and so on.

单项选择题A （ ） is used to communicate with another computer over telephone lines.