ITEC96 (Sir Galos)

Question 1

is a broad term that can encompass a variety of subjects and fields, depending on the context.
It generally refers to the technologies and systems that provide a foundation for other applications, services, or products to be built upon.

Answer 1

Platform Technologies

Question 2

is any base of technologies on which other technologies or processes are built.

Answer 2

platform

Question 3

are set of foundation tools, systems, and protocols that enable the creation, development, and deployment of various applications, services, or products.

Answer 3

Platform Technologies

Question 4

A set of disciplines that describes a computer system by specifying its parts and their relations provides physical environment.

Answer 4

Hardware Architecture

Question 5

A collection of software that manages computer hardware resources and provides common services for computer programs.

Answer 5

Operating System

Question 6

is an essential component of the system software in a computer system.

Answer 6

operating system

Question 7

The most important program that runs on your computer

Answer 7

operating system

Question 8

It manages all the available resources on a computer, from the CPU, to
memory, to hard disk accesses.

Answer 8

operating system

Question 9

is a program that acts an intermediary between the user of a computer and computer hardware.

Answer 9

operating system

Question 10

IBM first mainframes introduced

Answer 10

1958

Question 11

Introduction of IBM PC

Answer 11

1981

Question 12

Enterprise application providers

Answer 12

SAP and Oracle

Question 13

Connect multiple storage devices on dedicated network

Answer 13

Storage area networks (SANs)

Question 14

ensuring new infrastructure works with legacy systems

Answer 14

Software integration

Question 15

older TPS created for mainframes that would be too costly to replace or redesign

Answer 15

Legacy systems

Question 16

Various types of servers

Answer 16

network, application, Web

Question 17

is an abstraction of a running program

Answer 17

Process

Question 18

It enables doing several things at the same time

Answer 18

Process

Question 19

is something that may be stored on disk, not doing anything

Answer 19

program

Question 20

This rapid switching back and forth is called

Answer 20

multiprogramming

Question 21

Contains important information
about the process’ state

Answer 21

Process Table

Question 22

Information that must be saved when the process is switched from running to ready or blocked state so that it can be restarted later

Answer 22

Process Table

Question 23

give the ability for the parallel entities to share an address space and all of its data

Answer 23

Threads

Question 24

are lighter weight than processes, so they are easier (i.e., faster) to create and destroy

Answer 24

Threads

Question 25

allow computing and IO activities to overlap

Answer 25

Threads

Question 26

interacts with the user

Answer 26

First thread

Question 27

handles reformatting in the background

Answer 27

Second thread

Question 28

handles the disk backups

Answer 28

Third thread

Question 29

reads incoming requests for work from the network and chooses an idle (i.e., blocked) worker thread to hand the request

Answer 29

dispatcher

Question 30

is the situation of allowing multiple threads in the same process

Answer 30

Multithreading

Question 31

No two processes may be simultaneously inside their critical regions

Answer 31

Mutual Exclusion (mutex)

Question 32

No assumptions may be made about speeds or the number of CPUs.

Answer 32

No Assumption

Question 33

No process running outside its critical region may block other processes

Answer 33

Progress

Question 34

No process should have to wait forever to enter its critical region.

Answer 34

No Starvation

Question 35

the part of the program where shared variables are accessed

Answer 35

Critical region

Question 36

consumer problem

Answer 36

Producer

Question 37

Models processes competing for exclusive access to a limited number of resources such as I/O devices

Answer 37

Dining philosophers problem (Dijkstra)

Question 38

writers problem

Answer 38

Readers

Question 39

What are the units of execution

Answer 39

Processes

Question 40

What are the possible execution states of a process?

Answer 40

Running, ready, waiting

Question 41

How does a process move from one state to another?

Answer 41

Scheduling, I/O, creation, termination

Question 42

How is work scheduled in the CPU?

Answer 42

Process states, process queues, context switches

Question 43

very useful for applications

Answer 43

Multithreading