what is information technology?
processes, stores and transfers information.
what is a external peripherals?
an internal or eternal device that connects directly to a computer but does not contribute to the computer
what are some examples of input devices?
mouse, keyboard , mic and webcam
what are some examples of output devices?
printer, speaker, monitor, projector
what does cpu stands for?
central processing unit
what does malware do to computer? p.366
is malicious software threats and tools designed to vandalize computer systems
what is the difference between a procedure and a function?
a procedure is asset of command which is executed in order a function returns a value.
what is the CompTIA ITF+ (IT fundamentals)certification for?
its is the essential qualification for beginning a
career in IT support
a place where a device through which energy or information enters a system
what is an output?
a place where power or information leaves a system
what does a computer require to function? p.40
operating system
what is a portable document format?
A file format for distributing documents.
what is the difference between workstation OS and mobile device OS?
workstation runs traditional desktop pc or laptop, and mobile os runs handheld devices
what is the difference between freeware and open source software ?
freeware is software that is available free of charge , but preventing modification by its users. open source system are free but can be modified by its user.
what a http?
its the basis of the world wide web.
What does the internet of things refer to? p.11
what are the types of operating system ?
workstation, server, mobile devices os
why don't laptops make good servers?
laptops don't make good servers because its components are often smaller lighter and draw less power than desktops making it less reliable.
what are examples of an open source operating system ? p.39
windows, mac OS, IOS, Chrome and android
what are cookies? p.372
a plain text file created a website when you visit
What does tiff stand for? p.311
tagged image file format
what are the three backup storage types? p.397
locally attached storage, network attached storage, offsite/cloud based
what is the binary and character for decimal number 75?
binary : 100 1011
character:k
what name is given to the process you are following for resolving a fault in a software application?
Troubleshooting.
why are companies that produces PCs and laptops are referred to as original equipment manufactures(OEM) ? P.10
this is because rather than making each component that goes into a PC, they source components such as CPUs and RAM modules from manufacturers and out them together as a branded PC system.