comp org test 2

Flashcard

Learn Mode Icon

Learn Mode

Match

Library

Create

Flashcards

Flashcards

Library

Match (Coming Soon)

Computer Science - Computer Architecture

letadla123oigko Created by 9 mon ago

Cards in this deck(48)

What is the address space and word size of the LC-3?

Blur Image

How many registers does the LC-3 have and what is their size?

Blur Image

How many instructions does the LC-3 have?

Blur Image

What is the size of each LC-3 instruction and the size of the opcode?

Blur Image

How does the opcode interpret the bit patterns of its operands?

Blur Image

Define the 5 addressing modes in the LC-3.

Blur Image

How do NZP flags behave and what are they used for?

Blur Image

What are the four kinds of instructions in the LC-3?

Blur Image

Describe the three different kinds of LOAD operations and their differences.

Blur Image

Describe the three different kinds of STORE operations and their differences.

Blur Image

How do you recognize what makes a branch conditional or unconditional in the LC-3?

Blur Image

Define the concept of a label and what it specifically represents.

Blur Image

Define pseudo-op and name the five pseudo-ops in the LC-3.

Blur Image

Why are there two passes of the assembly process and why are both needed?

Blur Image

Define subroutine (functions) and their purpose in programming.

Blur Image

What's the difference between the caller and callee in a subroutine?

Blur Image

What are the similarities and differences between JSR and JSRR instructions?

Blur Image

What is the RET instruction and why is it considered a 'fake' instruction?

Blur Image

Define and contrast caller save and callee save in subroutine calls.

Blur Image

What is the stack data structure in LC-3 programming?

Blur Image

How does the stack operate in the LC-3?

Blur Image

What is the stack pointer, what is it used for, and where is it stored in LC-3?

Blur Image

Does a stack physically move in memory, and why is this helpful?

Blur Image

How are push and pop operations done in the LC-3 stack?

Blur Image

What is stack overflow and why is it problematic?

Blur Image

What is stack underflow and why is it problematic?

Blur Image

How does the LC-3 store character strings?

Blur Image

Define privilege in the context of computer programs.

Blur Image

What is the difference between user mode and superuser mode?

Blur Image

What memory locations are known as privileged in the LC-3?

Blur Image

What memory locations are known as unprivileged in the LC-3?

Blur Image

What is the difference between user space and system space in LC-3?

Blur Image

Define priority in the context of computer programs.

Blur Image

What is the PSR and what does it store in the LC-3?

Blur Image

How many stacks does the LC-3 have and how many pointers?

Blur Image

What's the purpose of memory-mapped I/O in the LC-3?

Blur Image

Define polling in the context of I/O operations.

Blur Image

Describe a basic input service routine in the LC-3.

Blur Image

Describe a basic output service routine in the LC-3.

Blur Image

Why is polling considered inefficient in I/O operations?

Blur Image

Why might a user program need to use a system call to perform a specification?

Blur Image

What happens when a TRAP instruction is executed in the LC-3?

Blur Image

What happens when an RTI instruction is executed in the LC-3?

Blur Image

Why is interrupt-driven I/O more efficient than polling?

Blur Image

What are the three conditions required to interrupt a program?

Blur Image

When does the processor check the INT line and what happens if it's active?

Blur Image

Explain why an interrupted program doesn't know it was interrupted.

Blur Image

What's the purpose of both the KBDR / DDR and the KBSR / DSR in LC-3?

Blur Image

Ask Our AI Tutor

Get Instant Help with Your Questions

Need help understanding a concept or solving a problem? Type your question below, and our AI tutor will provide a personalized answer in real-time!

How it works

Ask any academic question, and our AI tutor will respond instantly with explanations, solutions, or examples.

Get Started

Browse questions and discover topic-based flashcards
Practice with engaging flashcards designed for each subject
Strengthen memory with concise, effective learning tools

Discover By Topic