Overview

Question 1

What is concurrency in computer systems?

Answer 1

When a computer executes more than one task at the same time in a time-shared manner.

Question 2

What is the order of abstraction in computer systems?

Answer 2

1. Problems
2. Algorithms
3. Programs
4. Machine (ISA) Architecture
5. Micro Architecture
6. Circuits
7. Devices

Question 3

How is an algorithm translated to a high level language (HLL)?

Answer 3

By hand (programmed by programmer)

Question 4

How is a high level language translated to a low level language (LLL) like assembly language?

Answer 4

By a compiler

Question 5

How is a low level language translated to machine language?

Answer 5

With an assembler

Question 6

Which levels of abstraction are programmable?

Answer 6

Problems, algorithms, and programs

Question 7

What are four reasons high level languages are useful?

Answer 7

1. Machine independent
2. Easier to write
3. Higher programmer productivity
4. Higher levels of abstraction

Question 8

What was C developed for?

Answer 8

To work with the Unix operating system

Question 9

Why are low level languages useful?

Answer 9

1. They are machine specific
2. You have higher performing code (assembly programming)

Question 10

What does ISA stand for?

Answer 10

Instruction set architecture

Question 11

Why is Isa important?

Answer 11

It defines the set of instructions a processor can execute, dictating how software interacts with underlying hardware.