introduction to computing

What is a computer program?

• An interface for interacting with a device such as a laptop or a mobile phone

• A set of instructions that tells the system how to perform a specific task

• A device that is connected to the internet

• A document that describes how to build software

What is the role of the motherboard in a computer system?

• It stores data.

• It runs a set of instructions.

• It displays information on the screen.

• It connects all the components.

Which components are a physical part of a computer system? (Select TWO.)

• Motherboard

• Operating system

• Network card

• Database server

• Web application server

Which statements describe random access memory (RAM)? (Select TWO.)

• It holds data temporarily.

• It holds data persistently.

• It can be a hard disk drive (HDD) or a solid state drive (SSD).

• It can be accessed quickly.

• It is made to store applications, documents, and programs.

Which of the following are examples of operating systems? (Select TWO.)

• MySQL Server

• iOS

• Amazon Linux 2

• Oracle

• Amazon Elastic Compute Cloud (Amazon EC2)

Which server receives Hypertext Transfer Protocol (HTTP) requests from clients and uses HTTP to send pages or resources back to the requester?

• Database server

• Mail server

• Web server

• Virtual server

Which statements describe the benefits of virtualization? (Select TWO.)

• A virtual machine does not require an operating system.

• Multiple virtual machines can be run on a single physical computer.

• Implementing virtual machines can reduce resiliency.

• Virtual machines can reduce the amount of wasted computing resources from underutilized servers.

• All hardware or software can be virtualized.

Which of the following are examples of a database management system (DBMS)? (Select TWO.)

• Data center

• MySQL

• Oracle

• Virtual server

• Linux

Which AWS service provides the ability to host virtual machines?

• Amazon S3

• Amazon EC2

• AWS Identity and Access Management (IAM)

• Amazon VPC