81. Most embedded systems can be divided into three categories, based on their p
ID: 657550 • Letter: 8
Question
81. Most embedded systems can be divided into three categories, based on their power requirements: _______________, ________________, and _______________ systems.
A. Battery-operated; fixed panel; high-density
B. Battery-operated; fixed power; high-power
C. Battery-driven; fixed power; high-density
D. Battery-operated; fixed power; high-density
82.. _______________ are distinguished from microcontrollers by their complexity and increased on-chip resources.
A. Systems on a chip B. Systems on a drive
C. Chip on a chip D. Device on a chip
True/False
83. PLAs are slower and more costly than PALs.
Multiple Choices Static
84. Instead of creating a stream of binary machine code, the HDL source code produces a specification for gates and wires called a _______________.
A. netlist B. netset C. netlimit D. netcode
True/False
85. Embedded programmers find it difficult to write global variables and unstructured code.
86. During the system codesign phase in embedded systems, software development and virtual hardware development proceed concurrently through stepwise decomposition and refinement of the system specification.
Multiple Choices Static
87. _______________latency is the elapsed time between the occurrence of an interrupt and the execution of the first instruction of the interrupt service routine.
A. Interrupt B. Internal C. Included D. Intern
True/False
88. Structured programs consist of a mainline that calls a sequence of procedures or functions, which in turn may call more procedures or functions.
Multiple Choices
89. _______________ interface samples signals through a serial loop connected to all signals of interest on a chip.
A. Joint Test Alter Group B. Joint Test Active Group
C. Joint Test Activity Group D. Joint Test Action Group
True/False
90. As multitasking is not required and the cost is lower, MS-DOS is used in embedded operating systems.
Multiple Choices
91. The Boolean expressions x(x + y) = x and x + xy = x are examples of (the):
A) Distributive Law B) Associative Law
C) DeMorgan
Explanation / Answer
1.a). Battery-operated; fixed panel; high-density
2 a).Systems on a chip
3. true.
4.a) netlist
5. true.
6. true.
7. a).Interrupt.
8.False.
9. c).Joint Test Activity Group .
10.true.
11.d).Absorption Law.
12.d) x
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