Context switching between two threads of execution within the operating system is usually performed by a small assembly language function. In general terms, what does this small...

Context switching between two threads of execution within the operating system is
usually performed by a small assembly language function. In general terms, what does this
small function do internally?

---

Saves the current registers on the stack, then stores the stack pointer in the current thread’s control
block. We then load the stack pointer for the new thread’s control block and restore the registers it had
saved, from its stack.

---

Titany answered the question on April 26, 2022 at 05:17

Exams With Marking Schemes

• Grade 1
• Grade 2
• Grade 3
• Grade 4
• Grade 5
• Grade 6
• Grade 7
• Grade 8
• Grade 9
• PP1
• PP2
• Playgroup
• Form 1
• Form 2
• Form 3
• Form 4

Related Questions

---

• Enumerate the advantages and disadvantages of supporting multi-threaded applications with kernel-level threads (Solved)
  

  Enumerate the advantages and disadvantages of supporting multi-threaded applications
  with kernel-level threads

  Date posted: April 26, 2022 .    Answers (1)

• Why are user-level threads packages generally cooperatively scheduled? (Solved)
  

  Why are user-level threads packages generally cooperatively scheduled?

  Date posted: April 26, 2022 .    Answers (1)

• Name some advantages and disadvantages of user-level threads (Solved)
  

  Name some advantages and disadvantages of user-level threads

  Date posted: April 26, 2022 .    Answers (1)

• Describe how a multi-threaded application can be supported by a user-level threads package. It may be helpful to consider (and draw) the components of such... (Solved)
  

  Describe how a multi-threaded application can be supported by a user-level threads package. It may be helpful to consider (and draw) the components of such a package, and the function they perform

  Date posted: April 26, 2022 .    Answers (1)

• What is a process? What are attributes of a process? (Solved)
  

  What is a process? What are attributes of a process?

  Date posted: April 26, 2022 .    Answers (1)

• Multi-programming (or multi-tasking) enables more than a single process to apparently execute simultaneously. How is this achieved on a uniprocoessor? (Solved)
  

  Multi-programming (or multi-tasking) enables more than a single process to apparently execute simultaneously. How is this achieved on a uniprocoessor?
  

  Date posted: April 25, 2022 .    Answers (1)

• Describe the three state process model, describe what transitions are valid between the three states, and describe an event that might cause such a transition (Solved)
  

  Describe the three state process model, describe what transitions are valid between the
  three states, and describe an event that might cause such a transition
  

  Date posted: April 25, 2022 .    Answers (1)

• Is putting security checks in the C library a good or a bad idea? Why? (Solved)
  

  Is putting security checks in the C library a good or a bad idea? Why?
  

  Date posted: April 25, 2022 .    Answers (1)

• Why must the operating system be more careful when accessing input to a system call (or producing the result) when the data is in memory... (Solved)
  

  Why must the operating system be more careful when accessing input to a system call (or
  producing the result) when the data is in memory instead of registers?

  Date posted: April 25, 2022 .    Answers (1)

• Describe the two general roles of an operating system, and elaborate why these roles are important (Solved)
  

  Describe the two general roles of an operating system, and elaborate why these roles are
  important

  Date posted: April 25, 2022 .    Answers (1)

• Name three non electronic tools that were used before the invention of electronic computers. (Solved)
  

  Name three non electronic tools that were used before the invention of electronic computers.

  Date posted: July 23, 2021 .    Answers (1)

• Write the following acronyms in full. i. ICT ii. CPU iii. VLSI iv. UPS (Solved)
  

  Write the following acronyms in full.
  i. ICT
  ii. CPU
  iii. VLSI
  iv. UPS

  Date posted: July 23, 2021 .    Answers (1)

• Define the term troubleshooting as used in operating systems. (Solved)
  

  Define the term troubleshooting as used in operating systems.

  Date posted: July 23, 2021 .    Answers (1)

• Explain how you can partition a hard disk into partitions. (Solved)
  

  Explain how you can partition a hard disk into partitions.

  Date posted: July 23, 2021 .    Answers (1)

• What is a startup disk? (Solved)
  

  What is a startup disk?

  Date posted: July 23, 2021 .    Answers (1)

• Explain how you would create backup using Windows back-up using utility. (Solved)
  

  Explain how you would create backup using Windows back-up using utility.

  Date posted: July 23, 2021 .    Answers (1)

• You have realized that your floppy disk is limited in storage space and you would wish to create more space. Which tool in Windows would you... (Solved)
  

  You have realized that your floppy disk is limited in storage space and you would wish to create more space.
  Which tool in Windows would you use?

  Date posted: July 23, 2021 .    Answers (1)

• Explain how you would move the taskbar to the top of the desktop. (Solved)
  

  Explain how you would move the taskbar to the top of the desktop.

  Date posted: July 23, 2021 .    Answers (1)

• Define the start menu and explain the common start menu items. (Solved)
  

  Define the start menu and explain the common start menu items.

  Date posted: July 23, 2021 .    Answers (1)

• Draw the information organization tree diagram. (Solved)
  

  Draw the information organization tree diagram.

  Date posted: July 23, 2021 .    Answers (1)