CORRECT QUESTIONS AND
ANSWERS LATEST UPDATED
VERSION INTRODUCTION TO IT (
GRADED A+)
Server Software - Answer✔️Works with hardware to provide a network service
Local Applications - Answer✔️Software that is stored on an individual computer
Intranet - Answer✔️A LAN that uses the Internet Protocol
Cloud Computing - Answer✔️Offers, as a service, the ability to offload
computation and storage from your local computer
Operating Systems - Answer✔️Primary task is to allow a computer user to easily
access the hardware and software of a computer system
Kernel - Answer✔️Core components of the OS that is loaded when the computer
is first booted.
Device Drivers - Answer✔️Provide specific interfaces between the OS running a
computer and hardware devices.
Shell - Answer✔️An interface for the user, often personalized for that given user,
that provides access to the kernel.
Services - Answer✔️OS programs that are usually started when the OS is loaded
and initialized, but they run in the background. Also called daemons.
Utility Programs - Answer✔️Programs that allow the user to monitor and improve
system performance.
,Proxy Server - Answer✔️Acts as a giant cache of web pages that anyone in the
organization has recently retrieved; can be used to block access to certain web
pages
Proprietary Software - Answer✔️Software purchased from a vendor; also known
as commercial
Shareware - Answer✔️Provides a trial version of the software.
Freeware - Answer✔️Usually software that has become obsolete; is free
Public Domain - Answer✔️Software that has been moved into the public domain;
can be used however you feel
Open Source - Answer✔️Created in the Open Source Community and made freely
available as source code
Copyrights - Answer✔️Protect an original work (in its tangible, expressed form),
but not the ideas behind the work for the duration of the author's life plus 70 years;
protects against duplication.
Patents - Answer✔️Protect the creation of inventive concepts as well as the
tangible work product for 20 years from the filing date
End User License Agreement (EULA) - Answer✔️Gives the purchaser the right to
use the software
Decimal - Answer✔️Uses base 10 to represent numbers (0 - 9)
Binary - Answer✔️Uses base 2 system (0 and 1)
Byte - Answer✔️8 bits; a single character of text in a computer
Octal - Answer✔️Every value is represented with some combination of 8 digits (0
- 7)
Hexadecimal - Answer✔️Uses a base 16
, Character Representation - Answer✔️ASCII and Unicode
Language Translators - Answer✔️A program that takes one program, written in a
high level language, and creates a machine language program as output
Compiled Language - Answer✔️Translates the entire program using a compiler,
creating an executable program which can be run at a later time; the program can
then be run as many times as one likes, without having to re-translate each time.
Interpreted Language - Answer✔️Takes the most recently entered instruction,
translates it into machine language, and executes it; must be translated manually
each time.
Script - Answer✔️A computer language with a series of commands within a file
that is capable of being executed without being compiled.
Algorithms - Answer✔️A formula or procedure for solving a problem. Can also be
described as a set of steps that are followed in order to complete a process
Multi-tier Development - Answer✔️Separation of different aspect of a system
N-tier Development - Answer✔️Often used to indicate that the number of tiers a
system will be broken down into will vary between different software development
projects
Presentation Tier - Answer✔️Tier where the user interface for the system is
developed; shields the user from the underlying logic of the systems as well as the
underlying data structures
Logic Tier - Answer✔️Tier that sits between the user interface and the data.
Data Tier - Answer✔️Tier where data is stored, retrieved and updated from
database tables
Model-View-Controller (MVC) - Answer✔️A development technique used in the
implementation of user interfaces