Questions and Answers
What is a computer system design?
What does Computer and Information Technology encompass?
What is a handshake in computer protocols?
A protocol for the beginning of an interaction.
What is the Transmission Control Protocol (TCP)?
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What does HTTP stand for?
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What is the TCP Handshake?
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What does the Domain Name System (DNS) do?
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What does hierarchical mean in system design?
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What is ICANN?
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What is a top-level domain?
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What is recursive DNS?
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What is cache in computing?
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What is a command line interface (CLI)?
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What does REPL stand for?
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What is an operating system (OS)?
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What is an application in computing?
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What is a shell?
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What is Linux?
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What are distributions in software?
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What is Bash?
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What is SSH?
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What is a prompt in command line interfaces?
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What is the current working directory?
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What is a directory in computing?
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What is a file system?
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What is a child in tree data structures?
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What is a parent in tree data structures?
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Study Notes
Computer System Design
- Focuses on creating and maintaining networks and computer hardware.
- Encompasses various computing careers.
Computer and Information Technology
- Involves careers that utilize computers for data storage and manipulation.
Handshake
- Refers to a protocol initiating interactions between devices.
Transmission Control Protocol (TCP)
- Sequences IP packets and verifies transmission errors.
HyperText Transfer Protocol (HTTP)
- Enables structured text transfer across Internet nodes.
TCP Handshake
- Establishes communication protocol for data transfer between client and server.
Domain Name System (DNS)
- Structured system for naming Internet resources in a hierarchical format.
Hierarchical Design
- Organizes systems in a tree structure, accommodating future expansion.
Internet Corporation for Assigned Names and Numbers (ICANN)
- Governs development and policies of the DNS.
Top-Level Domain
- Highest level in domain hierarchy, includes extensions like .com, .org, and country codes.
Recursive DNS
- Queries authoritative name servers to gather domain information.
Cache
- Hardware storage that enhances data access speed by locating memory nearer to usage points.
Command Line Interface (CLI)
- Text-based interface for entering commands and receiving immediate results.
Read-Execute-Print Loop (REPL)
- Process that obtains, executes, and outputs instructions repetitively.
Operating System (OS)
- Main software managing computer resources, with major types including Windows and Unix families.
Application
- Programs executed by the operating system to address user needs.
Shell
- Command line interface for interacting with the operating system.
Linux
- An open-source operating system within the UNIX family.
Distributions
- Specific versions of software containing consistent sets of components.
Bash
- A widely-used shell application; includes variants like C shell and Bourne shell.
Secure Shell (SSH)
- Network protocol facilitating secure data transfer between computers.
Prompt
- Indicates a CLI's readiness for new commands, often displaying user and system information.
Current Working Directory
- Reference point in the file system for commands issued in a terminal or shell.
Directory
- Represents a folder within a file system.
File System
- Key OS component managing data storage locations, names, types, and associated metadata.
Child
- Element in a tree structure that descends directly from another element.
Parent
- Element in a tree structure that ascends directly to another element.
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Description
Test your knowledge on key terms related to computer system design with these flashcards. This quiz covers essential concepts in computer technology, networking, and data management. Perfect for students in the PLTW curriculum.