Computer Architecture and Performance

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Questions and Answers

What is the primary purpose of a Tensor Processing Unit (TPU)?

  • To improve cache memory hierarchy
  • To enhance parallel processing capabilities
  • To speed up machine learning applications (correct)
  • To increase I/O transfer rate

What is a limitation of multiprocessors in computer systems?

  • Improvements in one aspect do not result in proportional improvement in performance (correct)
  • They require significant changes to software
  • They are only used for I/O transfer rate optimization
  • They cannot be used for parallel processing

What is a benefit of using multiple core processors in a computer system?

  • Reduced power consumption
  • Enhanced security features
  • Improved performance for single-threaded applications
  • Increased parallel processing capabilities (correct)

Why do advancements in technology not always result in equal improvements in computer system performance?

<p>Because improvements in one aspect may not have proportional impact (D)</p> Signup and view all the answers

What is an example of a technology designed to speed up machine learning applications?

<p>Tensor Processing Units (TPUs) (A)</p> Signup and view all the answers

What is the range of addresses for RAM2?

<p>018000 to 01BFFF (C)</p> Signup and view all the answers

What is the purpose of the decoder IC in the decoding circuit?

<p>To simplify the decoder circuitry (B)</p> Signup and view all the answers

What is the function of the CS signal in the decoding circuit?

<p>To select the RAM chip (A)</p> Signup and view all the answers

What is the name of the 3-8 line decoder IC mentioned in the text?

<p>74LS138 (C)</p> Signup and view all the answers

How many RAM chips are used in the decoding circuit?

<p>4 (A)</p> Signup and view all the answers

What is the primary difference between combinational logic and sequential logic?

<p>Combinational logic is memoryless, while sequential logic contains memory elements. (B)</p> Signup and view all the answers

What is the purpose of a K-map in the design of combinational logic?

<p>To minimize the output function of a digital system using Boolean algebra (C)</p> Signup and view all the answers

What is the minimized expression for the digital system described by the truth table X Y Z F, YZ X YZ YZ YZ X?

<p>F = X + YZ (A)</p> Signup and view all the answers

What is the limitation of a half adder circuit?

<p>It cannot add the carry bit from the previous stage (B)</p> Signup and view all the answers

What is the function of a full adder circuit?

<p>To calculate the sum of three binary bits (B)</p> Signup and view all the answers

What is the purpose of the carry-in bit in a full adder circuit?

<p>To carry the result from the previous stage to the current stage (D)</p> Signup and view all the answers

What determines the amount of memory that can be accessed in a computer system?

<p>Number of address lines (D)</p> Signup and view all the answers

If a computer system has 20 address lines, what is its memory capacity?

<p>220 or 1M (C)</p> Signup and view all the answers

What is the direction of data transfer in the Data Bus?

<p>Bidirectional (B)</p> Signup and view all the answers

What is the primary function of the Address Bus?

<p>To send the address to the selected memory location (C)</p> Signup and view all the answers

What is the typical size of the Data Bus?

<p>8, 16, 32, or 64 bits (C)</p> Signup and view all the answers

What is the expected speed of Ethernet according to the Ethernet Alliance's 2022 technology roadmap?

<p>800 Gbps and 1.6 Tbps (A)</p> Signup and view all the answers

What was the speed of Wi-Fi according to the 802.11 standard in 1997?

<p>2 Mbps (A)</p> Signup and view all the answers

What is the name of the wireless protocol that has undergone significant improvements over the years?

<p>Wi-Fi (B)</p> Signup and view all the answers

What is the name of the interface that is considered outdated for peripheral interconnection?

<p>PCI (C)</p> Signup and view all the answers

What is the speed of Wi-Fi according to the 802.11ac standard?

<p>3.2 Gbps (B)</p> Signup and view all the answers

What is the expected timeframe for the Ethernet Alliance's 2022 technology roadmap to become an IEEE standard?

<p>Between 2023 and 2025 (C)</p> Signup and view all the answers

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