Computer | MCQs

Explanation

 I/O (Input/Output) Ports are components that connect a computer to external peripherals such as"

• printers
• keyboards
• mice 

Types of I/O Ports:

1. USB Ports:
2. HDMI/VGA Ports: 
3. Ethernet Port: 
4. Audio Jacks: 
5. Serial and Parallel Ports: 
6. Thunderbolt and USB-C Ports: 

Explanation

The binary numbering system is used in computing.

Binary system is used because it's the simplest counting method available. 

Explanation

When installing a peripheral you also usually need to install a driver

**

A peripheral device is an internal or external device that connects directly to a computer or other digital device 

All peripheral devices connect with the motherboard

ND17-1-2023

Explanation

The control unit of the central processing unit regulates and integrates the operations of the computer.

Explanation

Arithmetic Operations are performed by ALU.

ALU stands for Arithmetic & Logical Unit. 

Explanation

 Digital marketing refers to using online channels to promote products or services,

These three tactics fall under that umbrella: 

Social media marketing:

Utilizing platforms like Facebook, Instagram, or Twitter to reach and engage with potential customers. 

Email marketing:

Sending promotional messages directly to customers' inboxes. 

Search engine optimization (SEO):

Optimizing a website to improve its ranking in search engine results. 

Explanation

Point-to-point: Connects exactly two nodes, creating a single link between the host and the destination.

Broadcast: Sends data to all nodes in a network.

Multicast: Sends data to a specific group of nodes.

Anycast: Sends data to the nearest or best destination among a group.

Explanation

Artificial Intelligence, Cloud Computing, and Zero-Knowledge technologies are all part of the broader field of IT.

Artificial Intelligence (AI)

Definition: The simulation of human intelligence by machines.

Cloud Computing

Definition: Delivery of computing services (servers, storage, databases, etc.) over the Internet.

Zero-Knowledge (ZK)

Definition: A cryptographic method where one party proves to another that something is true without revealing the actual information.

Explanation

The Operating System (OS) is the core component that manages hardware and software resources.

It acts as the bridge between user and hardware, enabling all system functions.

Explanation

Logical errors occur when the program runs without crashing but gives incorrect output.

These errors are due to wrong logic and cannot be detected by the computer automatically.