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ITGS vocabulary
ITGS vocabulary
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1
Optical mark recognition (OMR) is used to
check trends in webpages
mark down answers in surveys
recognise false statements in essay drafts (google docs)
capture human-marked data from document forms
2
'Character check' checks ..
that numeric field is above or below a certain value
whether the field is blank
that a field contains only certain characters
the number of characters in a field
3
Video cardsare also known as
CPU
Processor unit
Professor unit
GPU
4
All bitmap image are stored in the computer as what?
quatrefoilar grid of megapixels
rectangular grid of pixels
rectangular lattice of millipixels
5
Fields which are frequently used to search a table are called
MySQL
records
indexes
primary keys
6
Different kinds of GPU:
single add-on cards
onboard graphics
offboard graphics
multiple take-off cards
7
Network monitoring systems perform checks including:
if bandwith is being used efficiently
if a web site's response time is within an acceptable time
looking for regular traffic patterns
monitoring and checking server resources
8
'Digital divide' means
the gap between people who can access IT and who can not
A number of PC's divided by the number of its hardware parts
when digital gadgets are broken/divided
9
Which statements are true in case of bitmap graphics?
zooming in increases quality
Increasing size reduces quality
store data as mathematical equations
Images consume less storage space
10
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
11
TSL (transport layer security) is what?
Standard encryption protocol used for secure communication
An older encryption algorithm used by wireless networks
Digital sertificate for idendity verifications
12
Computer Misuse Act is for:
commiting further crime when gaining unauthorised access
gaining authorised access to a computer system
authorised modification of data stored on a computer
gaining unauthorised access to a computer system
13
Companies that probably use supercomputers
McDonalds
NASA
Selver
AMD
14
There's often no secondary storage devices, a slow processor and small amount of RAM in
fat clients
chubby clients
thin clients
15
set of rules that govern identification of devices on a network and how the info is exchanged
IP (internet protocol)
WMI (Windows Management Instrumentation)
TCP (transmission Control Protocol)
16
How to create poor presentations:
heading is black and formal
big font with short sentences
text is hard to read against colourful background
17
What does OCR stand for?
Optical Character Resolution
Original Character Recognition
Optical Character Recognition
Only Character Recognition
18
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
rootkits, which gather all data and performs an ID theft
blacklists, which prevent accessibility to malicious sites
19
One of the biggest issues related to databases (stated in ITGS workbook) is
data integrity
lack of data (amount)
not enough applications to make tables
20
Which statements are true in case of vector graphics?
No quality loss when zooming in
store data as grids of pixels
doesn't require fast computer to manipulate complex graphics
images consume lots of storage place
21
Intellectual Property
refers to 'smart people's property', includes supercomputers
refers to 'artificial intelligence', includes built-in brain
refers to 'Homo sapiens' possessions', includes estate
refers to 'creations of the mind', includes films, essays
22
Embedded systems are found in..
GPS systems, they have to provide immediate output
cars, where they run for a very short time
washing machines, where they are not real-time systems
traffic lights, their reliability is not an important aspect
23
All IT systems have these three essential components:
input, gimp, the sims 3
motherboard, video card, output
windows xp, photoshop, processing
input, output, processing
24
Embedded system is
combination of computer hardware and software
combination of computer hardware and OS
combination of software and OS
25
Access levels are set, so that
some people wouldn't access certain files and modify them
no one but the administrator gets to modify anything
in case of emergency, some users would access certain files
everything in the system would be secured
26
The term normalisation is defined as process of
creating a relational database which has only redundant data
making a relational database of numbers with 2 decimalplaces
creating a relational database which has no redundant data
27
After the sender sends their message, it is ........... using their private key
digitally analysed
digitally filed
digitally modified
digitally signed
28
common formats for general file compression include
rar
gimp
zip
4zip
29
The failover system mechanism is used to
to decrease the reliability and availability of IT resources
switch between system components in case of downtime
to increase the reliability and availability of IT resources
turn off the computer in case of downtime
30
How does anti-virus work?
Identifies viruses by virus definition file
Shuts the system, deletes all malicious files and restarts
Runs in the background and scan files after they are opened
Combines definition based scanning and heuristic scanning
31
Virtual Private Network uses encryption to create an encrypted tunnel from
one computer to a storage area network in another location
one server to metropolitan area network in the same location
one server to campus area network in the same location
one computer to a local network in another location
32
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
33
Policy, whereby individuals' data will be collected unless specifically requested not to be is
opt-in policy
opt-out policy
34
Data synchronisation can take place with a(n) ............ connection
bluetooth
UBS
web cam
infra-red
35
How to avoid malicious software?
Opening email attachments you were excepting
Downloading movies illegally
Installing anti-virus software
By clicking on colourful ads
36
Converenge - computers in the past can perform tasks that are today done in separate devices
false, the other way around
true
37
What is the main difference between LCDs and CRTs?
LCD displays are generally cheaper, thinner and heavier
CRT displays produce higher quality images
LCD screens have native resolution
LCD displays are typically lighter
38
an electrostatic digital printing is done with a(n)
inkjet printer
laser printer
dot matrix printer
39
Shared devices connect directly to switch which is
most basic and cheapest device compared to similar gadgets
like a smarter version of hubs, they save a bandwith
40
Ethical issues raise questions like:
How did the IT development emerge?
What are the disadvantages of this system?
What are the consequenses?
Who is responsible?
41
Software which gives the freedom for users to modify its code and share it and is free forever:
FOSS
commercial software
shareware
freeware
42
Message that is transformed into a non-understandable form is
plaintext
ciphertext
CAPTCHA
43
Radio-frequency identification (
RFID
) uses electromagnetic fields to
identify and track tags attached to objects
identify and delete tags attached to objects
identify and rewrite tags attached to objects
identify and modify tags attached to objects
44
Examples of application suites are:
Adobe
Spotify
Paint
The Microsoft office
45
Compression in images is used to reduce what?
text lenght in videos/music
amount of storage space required
the variety of colours used
repeated data in images
46
IP/TCP in ITGS stands for
internet problemacy/translate control protocol
internet protocol/transmission client protocol
internet provider/transfer client problems
internet protocol/transmission control protocol
47
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
48
Composite image is recieved when
editing tools are used to combine images
the compositor of the image has made it from the scratch
multiple colour contrasts are highlighted on one picture
49
Certificate Authority is used to
verify the authority of yourself
verify the security of the website
verify that the sender is not a bot
verify the owner of the public key
