Computer Concepts Final Exam
what type of image can be used so users do not experience a lag when loading high quality images
JPEG
where is temporary data stored
RAM
what type of memory is permenantly installed
ROM
an optical medium of storage
blue-ray discs
what can be done for a construction business that uses paper transactions to establish a system where any data can be looked up immediately and transparency can be maintained
create a database of company projects, customers and vendors
there are various risks from attacks on wifi networks, but ________ is not one of them
creating malware
number, date/time, and text, are
data types
conditional formatting
highlights data according to specifications
what is the recommended solution if a computer performs slowly
install additional RAM
where is the operating system generally stored
internal hard drive
a series of beeps on a laptop probably indicates
internal hardware problem
unlike paper databases, access is able to
keep track of relationships between data
someone is considering web app development as a career, they do NOT need to master
logo
a company uses a special email program for communicating within their organization what should they do to ensure employees can access the inbox even when they are away from the office
make the program available as a web app
jim wants to develop an app for a specific purpose that would run even when his computer is not connected to the internet, he should use a
native app
is a printer an input device
no
which of the following factors can affect processor performance of a CPU
number of peripheral devices connected
what are the four main parts of an access database called
objects of the access database
logical applications can be accessed
only on the computers on which they are installed
A CPU converts the data entered through the keyboard into
output displayed on the monitor
what should be done to keep employees computers protected from viruses and other malware
periodic anti-virus scanning and software upgrades
When a CPU executes instructions as it converts input into output it does so with
the control unit and the arithmetic logic
access is a relational database which means
there are relationships between certain pieces of data
what should happen before restoring the operating system of a computer
transfer contents to an external storage device
what is the first step to performing hardware maintenance
turn off the computer and remove its power source
if a headset plugged into your computer is not working properly
update the device driver
How can you check data on devices connected through an IoT network
use a tablet
what is a situation in which a digital certificate is useful
you are signing a rental lease
someone wants to write short articles and post them online, if they have an internet connection they can use
zoho writer
what type of RAM needs to be constantly recharged to retain the contents
Dynamic RAM (DRAM)
a row in a table is called a
record
having a relational database prevents
redundancy, making the data more accurate
an input device
webcam
if you press the key corresponding to letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen
A is converted to binary code, which the CPU processes, the computer then converts the code back to A for display
what type of hard drive has no moving parts, making it fast and durable
Solid state drive
tables are made up of
a collection of fields or columns
a program that lets you store, organize, and manipulate data
a computer database
what could cause an external drive to not be recognized when plugged into a computer
a faulty port
what is the binary system
a number system with two digits, 0 and 1
device driver
a program that controls a device attached to the computer
an app that would allow customers to virtually try on colored lenses should have what feature
a responsive design so that it is easy to use on mobile devices
how is a worm different than a trojan
a worm reproduces itself on the same computer whereas a trojan attempts to spread through the network
what involves the operating system of the computer
add on devices
can be used to mix and match video clips
adobe premiere clip
how can an attacker execute malware through a script
an attacker can attach a script to a program that you download which then infects your computer
sean needs to familiarize himself with database software but cannot afford to purchase any, what should he use
apache openoffice
a medical assistant logs out of the system so a patient does not have access to information on the hospital database, what system does the hospital probably have to protect the patient medical records
biometrics
CPU performs well but the bus speed is low
bottlenecking
what determines the speed at which data travels
bus width
access is a DBMS or
database management system
easiest to upgrade, such as by adding RAM
desktop computer
an art student who wants to create digital artwork on their computer that retain their quality in all sizes, they should use a
drawing app
to store designs in the cloud so clients can review them, Patricia should use
drop box
the science that specifies the design and arrangement of items you use so you can interact with the items safely
ergonomics
true or false: big data is processed using relational databases
false
when the monitor display does not work which is likely to be causing the problem
faulty power video cable
what app should be used to design the cover of a book that will be published on a website
graphics app
what is it called when an attacker convinces you to enter personal information at an imposter website after receiving an email from a person masquerading as a bank employee
phishing
what printer is commonly used to produce high quality professional drawing such as architectural blueprints
plotter
customized app that removes viruses from infected systems without connecting to a network
portable app
What should someone who wants to buy a computer to use for playing games consider
processor core, some applications, especially games have greater process requirements
a message saying that your computer has been compromised and a fee must be payed to retrieve the data is most likely
ransomware because it is telling her she has to verify payment to unlock the computer
what physical health diagnosis is on the rise
repetitive strain injury
a way that you can NOT monitor and protect your financial data
requesting a credit report and freeing your credit
posing as a legitimate researcher to ask for personal information is called
retexting
when creating a presentation with 50 slides with consistent layout and formatting, what part should be designed first
slide master
what performance specification does 2 GHz refer to
speed at which the processor executes instructions
four main parts of an access database
table, query, report, form
to make an old app designed for android available on other platforms
use cross-platform tools to write code that will translate the existing app code into different formats
a necessary step in maintaining computer hardware
using UPS or a surge processor
what should be used to ensure a logo does not blur when it is enlarged
vector images because they retain their clarity
if a laptop displays only colorful horizontal lines, what is most likely to have a problem
video card
which type of software most likely includes collaboration features to help the employees work together online
web apps
data integrity
when a database is relational and therefore more accurate
when should a user consider restoring the operating system
when programs or apps do not start properly