Nội dung text Embedded Systems.pdf
2 2. Interface various peripherals to processors. 3. Program embedded systems. 4. Use the basic concepts of systems programming like operating system, assembler compilers etc., and to understand the management task needed for developing embedded systems. Pre-Test - MCQ Type 1. An embedded system must have (a) hard disk (b) processor and memory (c) operating system (d) processor and input-output unit(s). 2. An embedded system hardware can (a) have microprocessor or microcontroller or single purpose processor (b) have digital signal processor (c) one or several microprocessor or microcontroller or digital signal processor or single purpose processors (d) not have a single purpose processor (s). 3. An embedded system has RAM memory (a) for storing the variables during program run, stack and input or output buffers, for example, for speech or image (b) for storing all the instructions and data (c) for storing the programs from external secondary memory (d) for fetching instructions and data into cache(s). 4. 8051 microcontrollers are manufactured by which of the following companies? a) Atmel b) Philips c) Intel