HW class 6

HW class 6

by Costas Pringipas

Multiple Choice

biometrics: the application of statistical analysis to biological data.

• correct

• incorrect

Fill in the Blanks

Multiple Choice

In a Database, each row is called a _____________

• Field

• Data

• Record

• Table

Multiple Choice

What is the most common type of biometrics device in the enterprise?

• Lie detectors that measure pulse rate

• Fingerprint scanners and readers

• Iris and retinal scanners

• Voice and face recognition scanners

Multiple Choice

The ability to fool a biometric sensor into recognizing an illegitimate user as a legitimate user (verification) or into misidentifying someone who is in the database.

• Faceprint

• Spoofing

• Identity

• Mimic

Multiple Choice

Which one is not a considered a unique and distinct characteristic of security device measurement?

• Fingerprints
• Tongue 
• Voice Patterns
• Iris

Multiple Choice

Using biometrics makes us rely on one single source for identity. 

• True 
• False

Multiple Choice

Biometrics are immune to hackers. 

• True 
• False

Multiple Choice

This is a pen like tool used by tablet computers.

• stylus

• styles

• styls

Multiple Select

Which of the following is/are the current trends in hardware platforms? (can select more than 1 answer)

• Miniaturisation, mobile, wearable devices

• wearable devices

• Super Computers being used at home by consumers

• mobile devices

• free hardware

Multiple Choice

Optical storage devices save data as patterns of dots that can be read using

• Laser Light

• Solar light

• Magnetic field

Multiple Choice

Which one of these devices is optical?

• USB flash drive

• Magnetic stripe

• CD

• SSD

Multiple Choice

_______________optical discs have data written onto them when they are manufactured. This data cannot be changed.

• Read/write

• Read-only

• All

Multiple Choice

Compact Disc - Read-Only Memory (CD-ROM) discs can hold around __________ of data

• 25 - 50GB

• 4.7GB

• 800MB

Multiple Choice

DVD can store more data compared to blue ray disk.

• False

• True

Multiple Choice

What 3 Parts does a RFID system contain?

• Ram, Power supply and Monitor

• Wheels, Engine, Battery

• Processor, Printer and Scanner

• Tag, Reader and Antenna

Multiple Choice

Which of these is an advantage of RFID?

• Less expensive than Bar code

• Doesn't need line of sight to scan

• Less Durable

• More interesting than Bar Code

Multiple Choice

What is a disadvantage of RFID?

• More expensive than other options

• Less Durable

• It is evil

• Has a smaller range than other methods of AIDC

Multiple Choice

Bluetooth devices need an ID to connect to another device. This process is called __________

• Connecting

• Linking

• Pairing

• Sharing

Multiple Choice

NFC stands for

• Near Field Communication

• Not For Communication

• Near Far Communication

• None of the above

Multiple Choice

Range of NFC is

• Very long

• Very short

Multiple Choice

NFC is perfect to use when data is ________

• Public

• Confidential

Multiple Choice

What does QR stand for?

• Quit Reading
• Quiet Response
• Quick Rite
• Quick Response

Multiple Choice

What does a QR code do

• Hacks your computer
• Nothing
• A code you can scan using a QR code scanner to open up a link (not just websites)
• Looks wierd

Multiple Choice

Qr codes are always black and white

• True
• False

Multiple Choice

Which type of QR code will change over time?

• Static
• Dynamic

Multiple Choice

What is this?

• Windows screen

• User Interface

• Toolbar

• Menu

Multiple Choice

Which term is used to describe the fact that software should be able to be used by ALL types of users?

• Accessibility

• Useability

• Optimisation

Multiple Choice

Which type of users would benefit from a braille keyboard?

• Novice

• Blind

• Expert

• Old

Multiple Choice

How can the usability of a program be improved when typing in a birth date?

• Validate that the entered numbers are in the correct range

• Use a date picker

• Validate that only numbers are entered

Multiple Choice

Which term is used to display warnings before the user performs a potentially destructive action:

• warnings and error messages

• consistency

• readability

• navigation

Multiple Choice

What type of interface would only suit an expert user?

• Menu Driven

• GUI - Graphical User Interface

• WIMP - Windows Icon Menu Pointer

• Command Driven

Multiple Choice

Accessibility refers to

• making information systems simple to access their information and functionality

• making information systems usable by people of all abilities

• making sure users with disabilities have access to information and functionality

• making information systems usable by people with advanced skills

Multiple Choice

One of the main challenge/s of NLP Is _____________

• Handling Ambiguity of Sentences
• Handling Tokenization
• Handling POS-Tagging
• All of the above

Multiple Choice

RAM is where you store your work files e.g. a presentation

• True

• False

Multiple Choice

Which features would be the most important to Joe?

Joe wants to use his computer to store lots of film and music.

• Hard Drive, USB connection and Optical Drive

• USB connection, Sound card and Hard Drive

• Sound Card, Graphics card and Hard drive

Multiple Choice

Which features would be the most important to Joe?

Joe wants to use his computer to play computer games

• Graphics Card, Sound card and Large screen

• Graphics card, optical drive, USB connection

• Large screen, Optical Drive and Graphics card

Multiple Choice

Which features would be the most important to Joe?

Joe wants to use his computer to use powerful programs

• CPU and Memory (RAM)

• CPU and Bluetooth

• Hard drive and Memory(RAM)

Multiple Choice

Which features would be the most important to Joe?

Joe wants to use his computer to produce videos and copy them to a CD

• Optical Drive and Hard drive

• Memory (RAM) and Optical Drive

• USB connection and Bluetooth

Multiple Select

Which of these following options are Input devices?

• Microphone

• Printer

• Monitor

• Keyboard

Multiple Choice

True or False: the RAM stores memory that needs to be accessed quickly by the CPU

• True

• False

Multiple Choice

What is the purpose of a fan in computer system?

• To make it look nice

• To cool down the system & stop it from overheating

• To warm the room it's in up

• To make sure the user at the pc is cool

Multiple Choice

What is the purpose of a touchscreen?

• To make it easier to navigate the system

• To make it impossible to break the system

• To add extra features to the screen & make it look more attractive

Multiple Choice

Flash memory is a non-volatile storage medium.

• True
• False

Multiple Choice

Flash memory is a type of EEPROM which stands for electronically erasable programmable read-only memory.Like EEPROMs they have to be completely erased before being rewritten.

• True
• False

Multiple Choice

Flash memory is said to be solid state storage device because, unlike disk and CD drives, there are no moving parts.

• True
• False

Multiple Choice

Flash memory gets its name from the fact that a whole block of data can be erased 'in a flash’.

• True
• False

Multiple Choice

Flash memory storage is widely used in mobile phones, digital cameras, mp3 players, computers and tablets.

• True
• False

Multiple Choice

Flash memory will lose the stored data if it is not connected to a power source.

• True
• False

Multiple Choice

USB memory sticks are flash storage devices.

• True
• False

Multiple Choice

In order for the CPU to talk with any device, it needs some kind of support programming loaded into memory. What is the name of this support program?

• Dr. Phil

• BIOS

• Operating System (OS)

• Google

Multiple Choice

What does BIOS stand for?

• Bits Input/Output System

• Bytes Input/Output System

• Board Input/Output System

• Basic Input/Output System

Multiple Choice

ROM stands for . . .

• Read Only Memory

• Random Old Memory

• Rewritable Output Memory

• Read Ouput Motherboard

Multiple Choice

Braille input devices is suggested for...

• Visual impairment, from blindness to colour vision deficiency

• Hearing and speech impairments

• Cognitive Problems and learning disabilities

• Mobility impairments, limited hand mobility, Parkinson disease

Multiple Choice

Speech output devices can read the screen text is suggested for...

• Visual impairment, from blindness to colour vision deficiency

• Hearing and speech impairments

• Cognitive Problems and learning disabilities

• Mobility impairments, limited hand mobility, Parkinson disease

Multiple Choice

Subtitles is suggested for...

• Visual impairment, from blindness to colour vision deficiency

• Hearing and speech impairments

• Cognitive Problems and learning disabilities

• Mobility impairments, limited hand mobility, Parkinson disease

Multiple Choice

Special software is suggested for...

• Visual impairment, from blindness to colour vision deficiency

• Hearing and speech impairments

• Cognitive Problems and learning disabilities

• Mobility impairments, limited hand mobility, Parkinson disease

Multiple Choice

Word processor is suggested for...

• Visual impairment, from blindness to colour vision deficiency

• Hearing and speech impairments

• Cognitive Problems and learning disabilities

• Mobility impairments, limited hand mobility, Parkinson disease

Multiple Choice

Track balls is suggested for...

• Visual impairment, from blindness to colour vision deficiency

• Hearing and speech impairments

• Cognitive Problems and learning disabilities

• Mobility impairments, limited hand mobility, Parkinson disease

Multiple Choice

Mouth and head-sticks is suggested for...

• Visual impairment, from blindness to colour vision deficiency

• Hearing and speech impairments

• Cognitive Problems and learning disabilities

• Mobility impairments, limited hand mobility, Parkinson disease

Multiple Choice

Track balls is suggested for...

• Visual impairment, from blindness to colour vision deficiency

• Hearing and speech impairments

• Cognitive Problems and learning disabilities

• Mobility impairments, limited hand mobility, Parkinson disease

Multiple Choice

Natural language processing is suggested for...

• Visual impairment, from blindness to colour vision deficiency

• Hearing and speech impairments

• Cognitive Problems and learning disabilities

• Mobility impairments, limited hand mobility, Parkinson disease

Multiple Choice

Word prediction software is suggested for...

• Visual impairment, from blindness to colour vision deficiency

• Hearing and speech impairments

• Cognitive Problems and learning disabilities

• Mobility impairments, limited hand mobility, Parkinson disease

Multiple Choice

I have a student with hearing impairments enrolled in my class. 
I use a Youtube video as supplemental material for students who are interested in further exploring the topic. The video does not have captions.
Which of the followings is the appropriate response to it?

• The Youtube video is a supplemental material, so it does not matter if the student cannot access to it.
• The student can use the Youtube automatic captions.
• Find another video with captions to replace this one. 

Multiple Choice

Which tool can be used for accessibility?

• Hologram generator

• Input box

• Bold

• Screen magnifier

Multiple Choice

The word accessibility means?

• Accessible to all

• Accessible to disabled people

• Accessible to most people

• Accessible to a few people

Multiple Choice

Alt-Tags are :

• Images that have alternative meanings attached to them

• Images that have had HTML programming applied to allow them to display an image description which can be read by screen readers.

• Images that have had HTML programming applied to allow them to display an alternative image.

• Images that have had Java programming applied to allow them to display an alternative image or text describing the image which can be read by screen readers.

Multiple Choice

An approach to design that subdivides a system into smaller parts called modules or skids, that can be independently created and then used in different systems.

• modular design

• framing

• randomness

• negative space

Multiple Choice

Which of these is NOT a risk of connecting a mobile device to a public network?

• Public networks are beyond the control of the employee’s organization.

• Public networks may be susceptible to man-in-the-middle attacks.

• Public networks are faster than local networks and can spread malware more quickly to mobile devices.

• Replay attacks can occur on public networks.

Multiple Choice

What is one reason Android devices are considered to be at a higher security risk than iOS devices?

• iOS has been available longer and has more of its vulnerabilities worked out.

• Android apps can be sideloaded.

• All Android apps are free.

• Apple apps are written in a more secure binary language.

Multiple Choice

Which of these can a QR code NOT contain?

• image

• URL

• email address

• phone number

Multiple Choice

What prevents a mobile device from being used until the user enters the correct passcode?

• swipe identifier (SW-ID)

• keyboard

• touch pad

• lock screen

Multiple Choice

Which connectivity method is the oldest?

• Copper Cabling
• Fibre Optic
• Wireless

Multiple Choice

Bluetooth has a range of over 100m for sending data

• True
• False

Multiple Choice

Which wireless method relies on line of sight?

• Infrared
• Bluetooth
• Wi-Fi

Multiple Choice

Fibre Optic cables send data in the form of light

• True
• False

Multiple Choice

The main disadvantage of using fibre optic is the

• Speed
• Cost
• Availability

Multiple Choice

The main advantage of using fibre optic is the

• Speed
• Cost
• Availability

Multiple Choice

The main advantage of using copper cabling is the

• Speed
• Cost
• Bandwidth

Multiple Choice

The main disadvantage of using wireless is the

• Speed
• Cost
• Signal

Multiple Choice

The main advantage of using wireless is the

• Availability
• Cost
• Signal

Multiple Choice

Microwaves, washing machine, medical equipment, cameras, toys and airplanes are some of the appliances/ machines which use ...

• Personal Digital Assistants

• Embedded Systems

• Micro Computers

• Wearable Computers

Multiple Choice

Which type of computer is used for weather forecasting?

• Super Computers

• PDA

• Mainframe Computers

• Wearable Computers

Multiple Choice

The image above represents which type of computer?

• Embedded Computers

• Super Computers

• Wearable Computers

• micro Computers

Multiple Choice

Microwaves, washing machine, medical equipment, cameras, toys and airplanes are some of the appliances/ machines which uses the list above.

• Personal Digital Assistants

• Embedded Computers

• Micro Computers

• Wearable Computers

Multiple Choice

Name this type of computer system.

• Super Computers

• Micro Computers

• Mini Computers

• Mainframe

Multiple Choice

Micro Computers are also called:

• Hand Held Computers

• Micro Controllers

• Personal Computers

• Enterprise Servers

Multiple Choice

The fastest, most powerful and most expensive computers.

• Embedded Computers

• Super Computers

• PDA

• Mainframe Computers

Multiple Choice

Input devices are best described as:

• Storage

• Devices used to enter data in the system.

• Hardware used to view processed data

Multiple Choice

This devices above is categorized as:

• Input Device

• Processing Device

• Output Device

Multiple Choice

A piece of hardware that carries out the instructions of a computer program. It performs the basic arithmetical, logical, and input/output operations of a computer system.

• Input device

• Processing Hardware

• Storage Device

• Output Device

Multiple Choice

These devices are used to keep information for later use.

• Input Devices

• Output Devices

• Storage Devices

• Processing Devices

Multiple Choice

A bitmap image is made up of

• Pixels
• Colours
• Sounds
• Samples
• Characters

Multiple Choice

How many colours can be used for each pixel if the colour depth is 4 bit?

• 4 colours
• 5 colours
• 15 colours
• 16 colours

Multiple Choice

How many colours can be used for each pixel if the colour depth is 8 bit?

• 8 colours
• 9 colours
• 255 colours
• 256 colours

Multiple Choice

Reducing the amount of colours in the image will

• Reduce the quality of the image.
• Reduce the amount of binary needed for each pixel.
• Make the file size larger
• Remove pixels from the image.

Multiple Choice

Additional Information about the image file is stored as

• Metadata
• Properties
• File summary
• Pixels

Multiple Choice

The number of pixels per inch in an image is known as the

• Dimensions
• Colour depth
• Resolution
• Megapixels

Multiple Choice

Increasing the resolution of an image means that

• More pixels will be used to make up the image
• More colours will be used to make up the image
• The image size will be bigger

Multiple Choice

The binary code for each pixel is used to determine

• Which colour will be displayed
• How big the image is
• What shape the image is
• How many pixels will be in the image

Multiple Choice

How could you reduce the file size of an image?

• Reduce the numbr of colours used per pixel (colour depth)
• Reduce the dimensions of the image.
• Compress the file using a lossy compression file type.
• All of these

Multiple Choice

What would be the colour depth of an image which can use up to 256 colours?

• 256 bit
• 8 bit
• 8 byte
• 256 byte