Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Implementing Protection with Virtual Memory - computer architecture:
To enable the operating system to implement protection in the VM system, the HW have to:
I. Support at least 2 modes that denoted whether the running process is a user process (executive process) or an operating system process (kernel/supervisor process).
II. Provide a part ion of the CPU state that a user process may read but not write (includes supervisor mode bit).
o Only operating system process may change page tables. Page tables are held in operating system address space thereby preventing a user procedure from changing them.
o When processes desire to share information in a restricted way, the OS have to assist them.
o The write access bit (in both the TLB and the page table) can be used to limit the sharing to only read sharing.
Q. What do you mean by Execution Unit? Execution unit performs all ALU operations. Execution unit of 8086 is of 16 bits. It also contains the control unit that instructs bus in
stepper motor interfacing 8255
What is the logical difference among Move A TO B and COMPUTE B = A ? Ans) In case of Move A TO B it will move whatever the value of a in to b. It mean it will move nume
Parallel computing has been a topic of interest in computing society over the previous few decades. Ever-growing amount of databases and increasing complexity of new problems are
Q. Explain about Instruction Register and Flags? The Instruction Register: It comprises the operation code (opcode) and addressing mode bits of the instruction. It assists in
Ask qurecurrion for short noteestion
The field that contains a segment index or an internal index is called ? Ans. Target datum consists of a segment index or an internal index.
Described different types of addressing modes available? Ans: The various types of addressing modes available are following: Register addressing mode Immediate ad
Translate the following sentences into predicate logic. Give as much structure as possible. Provide a translation key for each predicate letter and individual constant. In your tra
Q. Block diagram of an associative memory? The block diagram of an associative memory is displayed in Figure below. It comprises of a memory array and logic for m words with n
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd