Networking and Programming Quiz

Which type of network allows devices to communicate over a small geographic area, such as a single building?

• Personal Area Network (PAN)

• Wide Area Network (WAN)

• Local Area Network (LAN)

• Virtual Private Network (VPN)

Which network hardware device connects multiple devices together and uses MAC addresses to send data only to the device meant to receive it?

• Router

• Switch

• Network Interface Controller (NIC)

• Wireless Access Point (WAP)

What type of cyber-attack involves hackers using large 'dictionary' files to automatically try every combination of words to guess a password?

• Ransomware

• Social engineering

• Spyware

• Brute-force attack

During data transmission, what can cause a single bit to change from a 0 to a 1 (a 'bit flip')?

• A strong firewall

• Interference or a power surge

• Low network bandwidth

• High-resolution image compression

What is the aim of a "linear search" algorithm?

• To find a data item by looking at each item in a list in turn, from left to right.

• To sort the data alphabetically from A to Z.

• To split the problem into smaller sub-problems.

• To convert a denary number into binary format.

Which Boolean operator only uses one input and reverses the condition (e.g., activating an output when a button is unpressed)?

• AND

• OR

• NOT

• IF

How is "pseudocode" best described?

• A visual representation of an algorithm using standard flowchart shapes.

• A textual representation of an algorithm that acts as a link between spoken words and programming languages.

• A strictly typed programming language like Python.

• A collection of physical computing devices.

Which of the following is considered "systems software" rather than applications software?

• Word processor

• Spreadsheet

• Computer game

• Operating system

What is a primary characteristic of Read-Only Memory (ROM)?

• It is volatile and loses data when the computer is switched off.

• It stores the programs and data currently in use by the user.

• It is non-volatile and often holds the boot-up program (BIOS).

• It acts as secondary storage for large video files.

Which logic gate produces an output of 1 (TRUE) ONLY if both of its inputs are 1?

• OR gate

• NOT gate

• AND gate

• NAND gate