Cpu components/ performance and embedded systems Flashcards
What does CPU stand for?
Central Processing Unit
True or False: The CPU is responsible for executing instructions in a computer.
True
What are the main components of a CPU?
ALU (Arithmetic Logic Unit), Control Unit, and Registers
Fill in the blank: The _____ is the part of the CPU that performs arithmetic and logical operations.
ALU
What is the function of the Control Unit in a CPU?
To direct the operation of the processor and manage the execution of instructions.
Multiple Choice: Which of the following is NOT a component of the CPU? A) ALU B) RAM C) Control Unit D) Registers
B) RAM
What is the purpose of registers in a CPU?
To provide fast storage for temporary data and instructions.
True or False: The performance of a CPU is measured in Hertz (Hz).
True
What does ‘clock speed’ refer to in a CPU?
The speed at which a CPU can execute instructions, typically measured in gigahertz (GHz).
Fill in the blank: A CPU with a higher _____ speed can process instructions faster.
clock
What is an embedded system?
A specialized computing system that performs dedicated functions within a larger system.
Multiple Choice: Which of the following is an example of an embedded system? A) Desktop computer B) Smart thermostat C) Laptop D) Server
B) Smart thermostat
True or False: Embedded systems are typically designed to be programmable.
False
What is the main advantage of using embedded systems?
They are optimized for specific tasks, which can lead to better performance and efficiency.
Fill in the blank: Embedded systems often have _____ operating systems tailored to their specific functions.
real-time
What is the difference between a microcontroller and a microprocessor?
A microcontroller includes a CPU, memory, and peripherals on a single chip, while a microprocessor is just the CPU.
Multiple Choice: Which of the following is a common application of embedded systems? A) Word processing B) Automotive control systems C) Gaming D) Web browsing
B) Automotive control systems
True or False: The instruction set architecture (ISA) is a part of a CPU’s design.
True
What does ISA define?
The set of instructions that the CPU can execute.
Fill in the blank: The performance of an embedded system can be measured in terms of _____ and power consumption.
speed
What is a key characteristic of real-time embedded systems?
They must process inputs and produce outputs within a strict time constraint.
Multiple Choice: Which of the following is NOT a characteristic of embedded systems? A) Low power consumption B) General-purpose B) Compact size C) Specific functionality
B) General-purpose
What role does software play in embedded systems?
It controls the hardware and defines how the system operates.
True or False: Embedded systems can only be found in consumer electronics.
False
