Check Digit Method Quiz

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What is the primary purpose of the check digit method?

To sort and merge numbers in a specific order

To calculate the total number of digits in a number

To transmit files between computers

To validate user input and ensure it is correct (correct)

What type of book numbering system uses the check digit method for validation?

ISSN (International Standard Serial Number)

ICCID (International Circuit Card Identifier)

ISBN (International Standard Book Number) (correct)

HKID (Hong Kong Identity Card Number)

What is a limitation of transferring files using physical media?

File size is limited by the storage capacity of the device

Files can be easily corrupted during transfer

The recipient's computer may not have the corresponding reading device (correct)

All of the above

What is the simplest type of computer network?

Two computers connected with a telephone line Signup and view all the answers

What was the primary mode of operation for computers in the mid-20th century?

Standalone operation Signup and view all the answers

What is the principle that states that inaccurate input data will result in inaccurate output information?

Garbage In Garbage Out (GIGO) Signup and view all the answers

What is a benefit of connecting computers together?

Improved file transfer convenience Signup and view all the answers

What is the primary purpose of data verification in the input stage?

To check whether the input data matches with the source document Signup and view all the answers

What is an example of a transposition error?

Typing '25' instead of '52' Signup and view all the answers

What is the benefit of double data entry?

It ensures that the input data is accurate Signup and view all the answers

Why is it important to prevent errors during the input stage?

To improve the accuracy of output information Signup and view all the answers

What is the purpose of inputting data twice during data verification?

To allow the computer system to check for discrepancies Signup and view all the answers

What type of network spans a wide geographical area, covering cities or countries?

Wide Area Network (WAN) Signup and view all the answers

In a peer-to-peer network, what is the primary role of each computer?

To directly communicate with every other computer Signup and view all the answers

What is the primary advantage of a client/server network over a peer-to-peer network?

Better security and centralized management Signup and view all the answers

What describes the physical or logical arrangement of devices in a network?

Network topology Signup and view all the answers

Which type of network is often used in businesses and large-scale organizations?

Client/server network Signup and view all the answers

What is the main characteristic of a local area network (LAN)?

Covers a small geographical area Signup and view all the answers

What is the primary goal of hacking activities?

To provide unauthorized access to data held on a computer system Signup and view all the answers

What is a common type of hacking activity?

Breaking into computer networks Signup and view all the answers

What is the purpose of using anti-virus software?

To prevent computer viruses Signup and view all the answers

What is a benefit of using a firewall?

To prevent unauthorized access to data Signup and view all the answers

What is a consequence of hacking activities?

Stealing valuable information Signup and view all the answers

What is a strategy to avoid being hacked?

Using anti-virus software and regularly downloading and installing updates Signup and view all the answers

What is the primary function of an Email Client program?

To download emails from email server of email service provider Signup and view all the answers

Which type of cable has a maximum cabling length of 100 metres?

Twisted pair cable Signup and view all the answers

What is the primary purpose of a Web Browser?

To let the user browse web pages through HTTP Signup and view all the answers

What is the primary function of FTP program?

To transfer files between computers through Internet Signup and view all the answers

What is the transfer rate of Coaxial cable?

Sufficient frequency range to support multiple channels Signup and view all the answers

What is the limitation of using a Twisted pair cable?

It is limited to a maximum cabling length of 100 metres Signup and view all the answers