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Assembler
Explain what the Cortex-M0+ “interrupt priority levels” are and how they are used.
Assembler
Explain what happens from the time of an interrupt request, (i.e., IRQ line is asserted),
through the start of executing an interrupt service routine, and then how control returns
to the interrupted program. Assume that the interrupt request does not occur at the
same time as any other interrupt request. (Note: ere are many steps involved, so
take your time and be specific.)
through the start of executing an interrupt service routine, and then how control returns
to the interrupted program. Assume that the interrupt request does not occur at the
same time as any other interrupt request. (Note: ere are many steps involved, so
take your time and be specific.)
Assembler
Describe the details of initializing the PIT (timer) to generate interrupt requests, as used
in lab. Be sure to describe all control register bits that must be set and/or cleared to
enable interrupts and why each bit/field must have the value that you indicate. (Omit
details of any PIT initialization not specifically associated with enabling the interrupts
used in lab.)
in lab. Be sure to describe all control register bits that must be set and/or cleared to
enable interrupts and why each bit/field must have the value that you indicate. (Omit
details of any PIT initialization not specifically associated with enabling the interrupts
used in lab.)
Assembler
Explain the following in the context of 8086 Microprocessor :
(i) Physical address calculation using CS:IP and SS:SP pairs
(ii) Processing of software Interrupts in 8086 microprocessor
(iii)Indirect Addressing modes of 8086 microprocessor
(i) Physical address calculation using CS:IP and SS:SP pairs
(ii) Processing of software Interrupts in 8086 microprocessor
(iii)Indirect Addressing modes of 8086 microprocessor
Assembler
Assume that a disk has 256 tracks, with each track having 64 sectors and each sector is of size 4M. The cluster size in this system can be assumed to be 4 sectors. A file having the name MCS012.txt is of size 128 M. Assume that disk has 16 free - continuous clusters of 8sectors each. How can this file be allotted space on the disk? Also show the content of FAT after the space allocation to this file. You may make suitable assumptions.
Assembler
Why microprocessor uses the binary number system and not the decimal or any other number system? How microprocessors deal with text, computer program, images, audio and video type of data using only binary number systems?
Assembler
MOV AL, D7
MUL 9A
What is the results of these instructions?
What is stored in AL?
MUL 9A
What is the results of these instructions?
What is stored in AL?
Assembler
Design an ISA whose characteristics are:
1. 16 different operations
2. 12 bit address (PC, MAR etc)
3. 16 bit data registers
4. 16 bit IR
Q1. What will be the instruction size?
Q2. Opcode size?
Q3. Operand size?
Q4. Number of locations in memory?
Q5. Memory data size?
1. 16 different operations
2. 12 bit address (PC, MAR etc)
3. 16 bit data registers
4. 16 bit IR
Q1. What will be the instruction size?
Q2. Opcode size?
Q3. Operand size?
Q4. Number of locations in memory?
Q5. Memory data size?
Assembler
What is the difference between displacement, relative, base-register and index addressing schemes? Explain briefly with examples?
Assembler
3) Suppose you have an empty generic stack. Indicate which of the following instructions will invoke a stack underflow.
1. Push 1
2. Push 2
3. Pop
4. Push 9
5. Pop
6. Pop
7. Pop
8. Pop
9. Push 3
1. Push 1
2. Push 2
3. Pop
4. Push 9
5. Pop
6. Pop
7. Pop
8. Pop
9. Push 3
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#340153 on Dec 2023
#340153 on Dec 2023