颜色深度是表达图像中单个像素的颜色或灰度所占的位数（bit）。若每个像素具有8位的颜色深度，则可表示______种不同的颜色。

对于TTL电路和CMOS电路的原理及比较，以下描述中不正确的是______。

在进行DSP的软件设计时，可以用汇编语言或者C语言进行设计，最终是生成可执行文件，通过下载线缆下载到DSP上运行、调试。下列对DSP软件的开发、编译、调试过程描述不正确的是______。

______occurs when a series of synchronization objects are held in a preemptive system in such a way that no process can move forward。

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______.

Hardware interrupts are triggered by______outside the microcontroller.

In computing,a device driver（commonly referred to as simply a driver）is acomputer program that operates or controls a particular type of device that is attached to a computer.A driver provides______to hardware devices,enabling operating systems and other computer programs to access hardware functions without needing to know precise details of the hardware being used。

An embedded device is a______that has been devised to perform some certain functions.It is dedicated to execute a particular task that might require processors that are powerful.

Embedded C is a set of______for the C Programming language by the C Standards committee to address commonality issues that exist between C extensions for different embedded systems.

The architecture of an embedded system is an abstraction of the embedded device,meaning that it is a______of the system that typically doesn't show detailed implementation information such as software source code or hardware circuit design.