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ITGS Vocabulary
ITGS Vocabulary
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1
One of the biggest issues related to databases (stated in ITGS workbook) is
lack of data (amount)
not enough applications to make tables
data integrity
2
Message that is transformed into a non-understandable form is
plaintext
CAPTCHA
ciphertext
3
Converenge - computers in the past can perform tasks that are today done in separate devices
true
false, the other way around
4
After the sender sends their message, it is ........... using their private key
digitally analysed
digitally filed
digitally signed
digitally modified
5
Which statements are true in case of bitmap graphics?
zooming in increases quality
Images consume less storage space
store data as mathematical equations
Increasing size reduces quality
6
The term normalisation is defined as process of
making a relational database of numbers with 2 decimalplaces
creating a relational database which has no redundant data
creating a relational database which has only redundant data
7
Which statement is true regarding CSV(comma separated values) and TSV(text separated values)?
both save fields and records into plain text files
neither save fields or records into plain text files
8
Compression in images is used to reduce what?
amount of storage space required
text lenght in videos/music
repeated data in images
the variety of colours used
9
Policy, whereby individuals' data will be collected unless specifically requested not to be is
opt-in policy
opt-out policy
10
There's often no secondary storage devices, a slow processor and small amount of RAM in
thin clients
chubby clients
fat clients
11
Embedded systems are found in..
GPS systems, they have to provide immediate output
washing machines, where they are not real-time systems
cars, where they run for a very short time
traffic lights, their reliability is not an important aspect
12
Virtual Private Network uses encryption to create an encrypted tunnel from
one computer to a local network in another location
one server to campus area network in the same location
one server to metropolitan area network in the same location
one computer to a storage area network in another location
13
Access levels are set, so that
no one but the administrator gets to modify anything
everything in the system would be secured
some people wouldn't access certain files and modify them
in case of emergency, some users would access certain files
14
'Digital divide' means
when digital gadgets are broken/divided
A number of PC's divided by the number of its hardware parts
the gap between people who can access IT and who can not
15
The failover system mechanism is used to
to increase the reliability and availability of IT resources
turn off the computer in case of downtime
to decrease the reliability and availability of IT resources
switch between system components in case of downtime
16
Which statements are true in case of vector graphics?
images consume lots of storage place
store data as grids of pixels
doesn't require fast computer to manipulate complex graphics
No quality loss when zooming in
17
TSL (transport layer security) is what?
An older encryption algorithm used by wireless networks
Standard encryption protocol used for secure communication
Digital sertificate for idendity verifications
18
How to avoid malicious software?
Downloading movies illegally
Installing anti-virus software
By clicking on colourful ads
Opening email attachments you were excepting
19
Biometric enrolment is a process where
data is analyzed by biometric systems
data is sent away by biometric enrolling
data is collected by biometric systems
20
Ethical issues raise questions like:
Who is responsible?
How did the IT development emerge?
What are the disadvantages of this system?
What are the consequenses?
21
Video cardsare also known as
CPU
Professor unit
GPU
Processor unit
22
Software which gives the freedom for users to modify its code and share it and is free forever:
FOSS
freeware
shareware
commercial software
23
How to create poor presentations:
text is hard to read against colourful background
heading is black and formal
big font with short sentences
24
All bitmap image are stored in the computer as what?
rectangular lattice of millipixels
quatrefoilar grid of megapixels
rectangular grid of pixels
25
Companies that probably use supercomputers
McDonalds
AMD
Selver
NASA
26
IP/TCP in ITGS stands for
internet protocol/transmission control protocol
internet protocol/transmission client protocol
internet provider/transfer client problems
internet problemacy/translate control protocol
27
Network monitoring systems perform checks including:
monitoring and checking server resources
if a web site's response time is within an acceptable time
looking for regular traffic patterns
if bandwith is being used efficiently
28
Intellectual Property
refers to 'Homo sapiens' possessions', includes estate
refers to 'creations of the mind', includes films, essays
refers to 'artificial intelligence', includes built-in brain
refers to 'smart people's property', includes supercomputers
29
How does anti-virus work?
Combines definition based scanning and heuristic scanning
Shuts the system, deletes all malicious files and restarts
Runs in the background and scan files after they are opened
Identifies viruses by virus definition file
30
Optical mark recognition (OMR) is used to
check trends in webpages
capture human-marked data from document forms
mark down answers in surveys
recognise false statements in essay drafts (google docs)
31
Radio-frequency identification (
RFID
) uses electromagnetic fields to
identify and delete tags attached to objects
identify and rewrite tags attached to objects
identify and modify tags attached to objects
identify and track tags attached to objects
32
What is the main difference between LCDs and CRTs?
LCD screens have native resolution
LCD displays are typically lighter
LCD displays are generally cheaper, thinner and heavier
CRT displays produce higher quality images
33
Composite image is recieved when
multiple colour contrasts are highlighted on one picture
the compositor of the image has made it from the scratch
editing tools are used to combine images
34
What does OCR stand for?
Original Character Recognition
Optical Character Recognition
Optical Character Resolution
Only Character Recognition
35
'Character check' checks ..
whether the field is blank
that a field contains only certain characters
that numeric field is above or below a certain value
the number of characters in a field
36
Data synchronisation can take place with a(n) ............ connection
web cam
infra-red
UBS
bluetooth
37
Examples of application suites are:
Paint
Adobe
The Microsoft office
Spotify
38
Malware is used to infect computers with
backdoors, which allow remote third party user to control it
stuxnet, which sends spam constantly in dos form
blacklists, which prevent accessibility to malicious sites
rootkits, which gather all data and performs an ID theft
39
an electrostatic digital printing is done with a(n)
laser printer
dot matrix printer
inkjet printer
40
Computer Misuse Act is for:
gaining unauthorised access to a computer system
authorised modification of data stored on a computer
gaining authorised access to a computer system
commiting further crime when gaining unauthorised access
41
common formats for general file compression include
zip
gimp
4zip
rar
42
Shared devices connect directly to switch which is
like a smarter version of hubs, they save a bandwith
most basic and cheapest device compared to similar gadgets
43
What characterises a Braille keyboard?
Braille keyboard uses a small number of keys
Braille dots are placed on a standard keyboard
Braille dots have combinations to produce lettersof alphabet
44
set of rules that govern identification of devices on a network and how the info is exchanged
WMI (Windows Management Instrumentation)
IP (internet protocol)
TCP (transmission Control Protocol)
45
All IT systems have these three essential components:
windows xp, photoshop, processing
input, output, processing
input, gimp, the sims 3
motherboard, video card, output
46
Different kinds of GPU:
multiple take-off cards
offboard graphics
single add-on cards
onboard graphics
47
Embedded system is
combination of computer hardware and software
combination of software and OS
combination of computer hardware and OS
48
Certificate Authority is used to
verify the authority of yourself
verify the owner of the public key
verify the security of the website
verify that the sender is not a bot
49
Fields which are frequently used to search a table are called
MySQL
records
primary keys
indexes
