IGCSE: Theory (Cover)

IGCSE: Knowledge Check

Independent Learning Lesson

This theory quiz is designed to recap areas we have already looked at, as well as checking understanding of future topics.

Read questions carefully before answering.

​Direct Data Entry devices

Go to this website and review the information before answering the following questions.
https://igcseictnowcom.wordpress.com/direct-data-entry-devices/

Dropdown

Magnetic stripe card readers and chip and PIN card readers

They are both ​

Select answer

devices used for processing ​

Select answer

. However, chip and PIN readers necessitate the user to enter a ​

Select answer

, making them more secure but also vulnerable to ​

Select answer

. The additional security layer of a PIN reduces the risk of unauthorised use as a person needs to know it. Magnetic stripe readers allow anyone who has it to be able to use the card. Transactions are ​

Select answer

due to the absence of manual input, so involve fewer data entry errors.

Dropdown

RFID uses the same technology as contactless cards. They use ​

Select answer

to read information that is stored on a tag.

Dropdown

Magnetic Ink Character Recognition (MICR) readers are most often used with ​

Select answer

Multiple Select

When a book is borrowed from a library, there are many ways in which the details can be added to the computer.

Select two direct data entry devices which could be used.

• Bar Code Reader

• Magnetic Ink Character Reader

• RFID Reader

• Keyboard

• Mouse

Categorize

Options (15)

Larger touchscreen than a mobile phone

Carried in a pocket

Most people own this device

Highest quality built in camera

Facial recognition technology

Supports stylus pen input for graphic design

Built in physical keyboard for typing

Trackpad for navigation

Longer battery life

Easy to upgrade hardware components

Mobile payment technology

More ergonomic

Permanent fixed position

Less likely to be stolen

Permanent power supply

Move the the advantages of using each device to complete a task

Tablet

Smartphone

Laptop

PC

Multiple Select

Select all of the true statements about PDF documents

• More difficult to edit a PDF

• All devices have compatable software to view PDF documents

• Do not need specialist software to view it e.g. Microsoft Word

• PDF software can be expensive

• PDF files are large and slow files to transfer across a network

​Networks and Communication

You will need to be able to do the following:

• Identify and describe the use of hardware

• The uses of wi-fi and bluetooth

• Common network environments and types

• Communication

Labelling

The diagram shows how a laptop connects to the internet.

Place the labels over the numbered boxes

Drag labels to their correct position on the image

Router

ISP

Web browser

Landline

Hotspot

Select the circle that points to the motherboard

Hotspot

Select the circle that points to the CPU

Hotspot

Select the circle that points to the Network interface card (NIC)

Hotspot

Select the circle that points to RAM

Multiple Choice

What does RAM stand for?

• Random Accurate Maps
• Real ASCII Memory

• Read Only Memory
• Random Access Memory

Multiple Choice

What is the purpose of an IP address?

• Two or more computersthat are connected together for the purpose of communication

• A network that is geographically confined to one building or site

• This is volatile memory that is constantly being written to and read from.

• To uniquely identify a device on a network and enable communication between devices.

Multiple Select

Which two website domains, usually mean that the information on the website is reliable?

• .gov

• .org

• .co.uk

• .net

• .com

Fill in the Blanks

Drag and Drop

Wi-Fi and Bluetooth are both technologies that let devices connect ​ , but they serve different purposes. Wi-Fi is designed for connecting devices to the ​

Placeholder

over a ​

Placeholder

range, like your home's network, and it can handle ​

Placeholder

data at faster speeds. Bluetooth, on the other hand, is used for connecting devices over ​

Placeholder

distances, such as linking a wireless headset to your phone or syncing your smartphone with your ​

Placeholder

. Bluetooth is typically simpler and uses less power compared to Wi-Fi​.

Drag these tiles and drop them in the correct blank above

internet

shorter

longer

more

less

car

stationary

Multiple Choice

What does CC stand for?

• Carbon Copy

• Cubic Centimeter

• Carbon Copier

• Create Copies

Multiple Choice

What is BCC?

• Blind carbon copier

• Blank Carbon Copy

• Blind Carbon Copy

• Behind Carbon Copy

Multiple Choice

If you want to send someone a copy of your email, but you don't want the other person to see who you sent a copy to, which feature would you use?

• BCC
• CC
• Forward
• Reply All

Security

As soon as your computer is connected to a network, you have to start thinking about security – security of your files, information, passwords etc.

View the Prezi presentation for further notes on this area
https://prezi.com/p/d2mk-ezlunmu/igcse-ict-chapter-8-safety-security/

Reorder

Arrange the following steps in the correct order for a secure login process:

• Input unique username

• Input password

• Computer verifies user identity

• Grant access

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

What is phishing?

• scams through websites
• scams through emails
• scams through phone calls
• scams through text messages

Multiple Choice

What does 's' in https stand for?

• safety

• suspicious

• secure

• standard

Multiple Choice

A software utility that detects, prevents, and removes viruses, worms, and other malware from a computer

• Anti-virus

• Firewall

• Password file

• Trojan horse

Multiple Choice

This filters out specific IP addresses, websites, and other information that may be harmful, by examining network traffic.

• Router

• Firewall

• Anti-virus software

• Biometric controls

Match

Match the most appropriate data protection method to the description

• A method which scrambles the data so that it cannot be understood is...

• A fingerprint is an example of...

• A method of guaranteeing a website is authentic is...

• A hardware device that filters the information coming through the Internet connection

  into a LAN is...

• This requires users to provide two separate forms of identification to verify their identity

Encryption

Biometrics

Digital certificate

Firewall

Two-factor authentication

• Encryption

• Biometrics

• Digital certificate

• Firewall

• Two-factor authentication