For the following questions, find the best embedded system term among the listed items. Associative cache method, bios, boot-up,

Cache memory manager, calloc, conflict misses, crash, Data alignment, direct mapped, DRAM,

DRAM controller, dynamic, dynamic memory,

Flash memory, free, Hard disks, Harvard,

Last in First out, malloc, memory map,

Memory protection, RAM, refresh, register file, scratchpad, secondary, segmentation fault,

Solid state disks, SRAM, stack, stack poiner, standby, static, valid flag, virtual memory, virtual memory system, volatile, Von Neumann.

QUESTIONS

19. Many processors are ......................... machine at cache level, but cache controller maps data and program memory to address ranges in the same address space like a von Neumann machine.

20. The SRAM memory on the internal bus of CPU is called a ..........................

21. A memory area that duplicates a different kind of memory block is called a ......................... .

22 A ......................... is a dynamically allocated region of memory in Last In First Out style using a ..........................

23. ......................... is a memory where individual items (bytes or words) can be written and read at any time relatively fast speeds.

24. ......................... unit is a hardware circuit that does not allow a code to access beyond their allowed address space.

25. Unauthorized access to memory terminates the offending application by a ......................... or similar exceptions.

26. ......................... allocation in heap is accomplished in C by .........................() and ......................... () functions.

27. Allocated dynamic memory is returned to OS by using ......................... () function.

28. In Embedded programming, dynamic memory allocation is hazardous since it may yield unexpected ......................... .