Universal Serial Bus (USB) is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices.
Computer is made of many different electronic components interconnected with each other through cables and connecters together to make system fully functional.
INTRODUCTION TO ICT RESOURCE (O LEVEL)
ICT IS SUBJECT IN O LEVEL COURSE BY NIELIT
(All Pictures and information are collected by Mobile and Google, Learning Websites,Book,etc)
Universal Serial Bus (USB) is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices.
Computer is made of many different electronic components interconnected with each other through cables and connecters together to make system fully functional.
INTRODUCTION TO ICT RESOURCE (O LEVEL)
ICT IS SUBJECT IN O LEVEL COURSE BY NIELIT
(All Pictures and information are collected by Mobile and Google, Learning Websites,Book,etc)
A Computer Motherboard is commonly known as Main board or MB or System board or logic board is designed on PCB (Printed Circuit Board).That holds or connects all components and parts together on a single sheet. The Computer Motherboard holds all the circuitry to connect the various components of a computer system. Therefore it is also called as backbone of Personal computer system.
The computer as we know it today had its beginning with a 19th century English mathematics professor name Charles Babbage. He designed the Analytical Engine and it was this design that the basic framework of the computers.
parts of computer
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Do you know your SATA from your PCI? Just what is all that stuff in your tech devices? While we may only think about our keyboard, mouse and screen, there's so much more hardware inside your computer. The presentation will explain the acronyms, the terminology and how the hardware all works together.
Pushing the limits of ePRTC: 100ns holdover for 100 daysAdtran
At WSTS 2024, Alon Stern explored the topic of parametric holdover and explained how recent research findings can be implemented in real-world PNT networks to achieve 100 nanoseconds of accuracy for up to 100 days.
zkStudyClub - Reef: Fast Succinct Non-Interactive Zero-Knowledge Regex ProofsAlex Pruden
This paper presents Reef, a system for generating publicly verifiable succinct non-interactive zero-knowledge proofs that a committed document matches or does not match a regular expression. We describe applications such as proving the strength of passwords, the provenance of email despite redactions, the validity of oblivious DNS queries, and the existence of mutations in DNA. Reef supports the Perl Compatible Regular Expression syntax, including wildcards, alternation, ranges, capture groups, Kleene star, negations, and lookarounds. Reef introduces a new type of automata, Skipping Alternating Finite Automata (SAFA), that skips irrelevant parts of a document when producing proofs without undermining soundness, and instantiates SAFA with a lookup argument. Our experimental evaluation confirms that Reef can generate proofs for documents with 32M characters; the proofs are small and cheap to verify (under a second).
Paper: https://eprint.iacr.org/2023/1886
Full-RAG: A modern architecture for hyper-personalizationZilliz
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Communications Mining Series - Zero to Hero - Session 1DianaGray10
This session provides introduction to UiPath Communication Mining, importance and platform overview. You will acquire a good understand of the phases in Communication Mining as we go over the platform with you. Topics covered:
• Communication Mining Overview
• Why is it important?
• How can it help today’s business and the benefits
• Phases in Communication Mining
• Demo on Platform overview
• Q/A
Generative AI Deep Dive: Advancing from Proof of Concept to ProductionAggregage
Join Maher Hanafi, VP of Engineering at Betterworks, in this new session where he'll share a practical framework to transform Gen AI prototypes into impactful products! He'll delve into the complexities of data collection and management, model selection and optimization, and ensuring security, scalability, and responsible use.
Securing your Kubernetes cluster_ a step-by-step guide to success !KatiaHIMEUR1
Today, after several years of existence, an extremely active community and an ultra-dynamic ecosystem, Kubernetes has established itself as the de facto standard in container orchestration. Thanks to a wide range of managed services, it has never been so easy to set up a ready-to-use Kubernetes cluster.
However, this ease of use means that the subject of security in Kubernetes is often left for later, or even neglected. This exposes companies to significant risks.
In this talk, I'll show you step-by-step how to secure your Kubernetes cluster for greater peace of mind and reliability.
GraphSummit Singapore | The Art of the Possible with Graph - Q2 2024Neo4j
Neha Bajwa, Vice President of Product Marketing, Neo4j
Join us as we explore breakthrough innovations enabled by interconnected data and AI. Discover firsthand how organizations use relationships in data to uncover contextual insights and solve our most pressing challenges – from optimizing supply chains, detecting fraud, and improving customer experiences to accelerating drug discoveries.
In his public lecture, Christian Timmerer provides insights into the fascinating history of video streaming, starting from its humble beginnings before YouTube to the groundbreaking technologies that now dominate platforms like Netflix and ORF ON. Timmerer also presents provocative contributions of his own that have significantly influenced the industry. He concludes by looking at future challenges and invites the audience to join in a discussion.
Unlock the Future of Search with MongoDB Atlas_ Vector Search Unleashed.pdfMalak Abu Hammad
Discover how MongoDB Atlas and vector search technology can revolutionize your application's search capabilities. This comprehensive presentation covers:
* What is Vector Search?
* Importance and benefits of vector search
* Practical use cases across various industries
* Step-by-step implementation guide
* Live demos with code snippets
* Enhancing LLM capabilities with vector search
* Best practices and optimization strategies
Perfect for developers, AI enthusiasts, and tech leaders. Learn how to leverage MongoDB Atlas to deliver highly relevant, context-aware search results, transforming your data retrieval process. Stay ahead in tech innovation and maximize the potential of your applications.
#MongoDB #VectorSearch #AI #SemanticSearch #TechInnovation #DataScience #LLM #MachineLearning #SearchTechnology
Alt. GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using ...James Anderson
Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM
The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM).
Speakers:
Bob Boule
Robert Boule is a technology enthusiast with PASSION for technology and making things work along with a knack for helping others understand how things work. He comes with around 20 years of solution engineering experience in application security, software continuous delivery, and SaaS platforms. He is known for his dynamic presentations in CI/CD and application security integrated in software delivery lifecycle.
Gopinath Rebala
Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.
Unlocking Productivity: Leveraging the Potential of Copilot in Microsoft 365, a presentation by Christoforos Vlachos, Senior Solutions Manager – Modern Workplace, Uni Systems
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This talk will give hands-on advice on building RAG applications with an open-source Milvus database deployed as a docker container. We will also introduce the integration of Milvus with Snowpark Container Services.
Climate Impact of Software Testing at Nordic Testing DaysKari Kakkonen
My slides at Nordic Testing Days 6.6.2024
Climate impact / sustainability of software testing discussed on the talk. ICT and testing must carry their part of global responsibility to help with the climat warming. We can minimize the carbon footprint but we can also have a carbon handprint, a positive impact on the climate. Quality characteristics can be added with sustainability, and then measured continuously. Test environments can be used less, and in smaller scale and on demand. Test techniques can be used in optimizing or minimizing number of tests. Test automation can be used to speed up testing.
GraphSummit Singapore | The Future of Agility: Supercharging Digital Transfor...Neo4j
Leonard Jayamohan, Partner & Generative AI Lead, Deloitte
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Epistemic Interaction - tuning interfaces to provide information for AI supportAlan Dix
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
Epistemic Interaction - tuning interfaces to provide information for AI support
computer
1. How Does the Computer
Work?
Exploring what is inside the
computer case
Family Learning Day
February 21, 2004
2. Computer Case
• The part of the
PC that you
actually see is
the case
• It is officially
called the
"system unit,"
but most techs
call it the case.
3. Motherboard
• Everything is
connected to the
motherboard
• A motherboard is a
thin, flat piece of
circuit board,
usually of green or
gold color, usually
slightly larger than
a piece of paper.
4. CPU
• The CPU (Central
Processing Unit, also
called the
microprocessor) is
where all the
calculations take
place in the PC.
• CPUs will be either
PGA (Pin Grid Array)
or SEC (Single Edge
Cartridge).
5. CPU
• CPUs have a "make" and a "model," just like an
automobile. When talking about a particular car, we say
terms such as "Ford Taurus." When we talk about a
CPU, we say terms like "Intel 486" or "AMD K6."
• “Makes" are AMD, Cyrix and Intel.
• Models are 486, Pentium, Pentium Pro, Pentium II,
Pentium III, K6, K6-2, and Athlon.
• In the early years of CPUs, manufacturers would
sometime make the exact same model. You could get an
AMD 486 or an Intel 486. This is no longer true, although
some models are very similar, such as the Intel Pentium
and the AMD K6.
6. RAM (Random Access Memory)
• RAM (Random Access
Memory) is where the
CPU stores programs
and data that it is
currently using.
• RAM is measured in units
called "bytes“ and
"megabytes."
• An average PC will
usually have anywhere
from 16 megabytes up to
512 megabytes of RAM.
7. Hard Drive
• Hard drives store programs
and data that are not currently
being used by the CPU.
• Hard drive capacity is
measured in megabytes and
gigabytes.
• An average PC will have at
least one hard drive.
• The capacity of a single hard
drive can vary from as low as
10 megabytes (very old
systems) up to 20, 40, or more
gigabytes.
• There are two common types
of hard drives: IDE and SCSI.
8. IDE Controller
• Any PC might have IDE, SCSI
or both installed.
• IDE drives use a roughly 1.5"
wide, 40-pin ribbon cable
• SCSI drives will use a roughly
2" wide, 50-pin cable
• IDE supports up to two hard
drives per controller.
• Each ribbon cable has two
connectors for hard drives.
• With two controllers, each
controlling two drives, a PC
can support up to four IDE
drives.
10. CD-ROM Drive
• CD-ROM drives
enable the system to
access CD-ROM
disks. CD-ROM
drives are quite large,
usually the single
largest component
inside the PC.
• They are connected
with an IDE cable to
an IDE controller.
11. Floppy Drive
• The floppy drive enables you
to access floppy diskettes.
There are two types of floppy
drives, a 3.5" and a 5.25." The
5.25" drive is completely
obsolete but is still
encountered on older PCs.
• Floppy ribbon cables are the
narrowest ribbon cable, only
slightly more than 1" wide.
• There is a twist in the cable,
usually close to where the
floppy cable is connected to
the floppy drive.
12. Floppy Drive
• A PC can support up to
two floppy drives.
•If a PC has two floppy
drives, they will be
connected to the same
ribbon cable.
13. Power Supply
• The Power Supply
provides the necessary
electrical power to make
the PC operate.
• It takes standard 110 volt
AC power and converts it
into 12, 5, and sometimes
3.3 volt DC power.
• The vast majority of power
supplies are about the
size of a shoebox cut in
half and are usually gray
or metal colored.
14. Power Supply Cable
• Every drive
needs to be
connected to a
power
connector.
• There are
several power
connectors on
one power
supply cable.
15. Connectors
• There are many types of connectors
(often called "ports") that different
devices use.
• Although there are close to 50 different
connectors used with PCs, almost all
connectors break down into these
types: "DB," "DIN," "Centronics," "RJ,
"USB, " and "Audio."
16. Keyboard and Mouse Connection
• All PCs have a
keyboard port directly
connected to the
motherboard.
• Two types of
keyboard connectors:
– DIN type connector
popularly known as
the "AT-style"
– PS/2 style“ or mini-
DIN
• PS/2 style mini-DIN is
for both the keyboard
and mouse
• Each mini-DIN socket
is clearly marked as
to its correct use
17. Universal Serial Bus (USB)
• USB ports can
handle many more
devices
• Keyboards
• Mouse
• Digital cameras
• Printers
• And many more…
18. DB Type Connectors
• They have a slight D shape,
designed to allow only one
proper way to insert the plug
into the socket.
• Each DB connector has
groups of small pins and
sockets (male/female) which
insert as a group.
• DB connectors can have from
9 up to 37 pins.
• DB connector with more than
25 pins is now quite rare.
• Sockets can be either male or
female.
19. DIN Connectors
• DIN connectors are a
European design that
is also common on
every PC.
• These connectors
are round and come
in only two common
sizes: DIN and Mini-
DIN.
• The sockets are
always female.
20. Centronics Connector
• Centronics connectors use one
large central tab, covered with
contacts instead of pins
although, the word "pins" is still
used to describe the number of
contacts.
• Centronics connectors are also
distinct in that the sockets
have wire "wings" that lock the
plug to the socket to reduce
the chance of accidental
removal.
• Sockets are always female.
• Almost every printer in
existence, however, has a 36-
pin Centronics socket.
21. RJ Type Plug
• The little plastic plug used to
connect your telephone wire to
the jack is a classic example of
an RJ type plug.
• Two types of RJ jacks used in
PCs: the RJ-11 and the RJ-45.
• The phone jack is the RJ-11. It
is used almost exclusively for
modems.
• RJ-45 is used for one very
popular type of network
cabling and most network
cards have a RJ-45 socket.
22. Audio Connectors
• Audio connectors
are perhaps the
simplest of all.
• Use to plug into
soundcards.
23. Sound Card Connection
• Soundcards perform two functions;
1) they take digital information and
turn it into sound, outputting the
sound through speakers. 2) they
take sound, inputted through a
microphone, and turn it into digital
data.
• In order to play and record sounds,
a soundcard needs to connect at
least to a set of speakers and a
microphone.
• Soundcards have four sockets for
mini-type audio jacks:
– Microphone, Speaker, Line In, and
Line Out.
• Soundcards will also have a female
15-pin DB socket that enables you
to connect electronic musical
instruments.
24. Sound Card
• The Microphone and Speaker
connect a microphone and
speakers.
• Line In enables a soundcard to
record from a stereo, tape
recorder, etc.
• Line Out enables the
soundcard to output to those
same type of devices.
• Most PCs will have a small
cable running between the
soundcard and the CD-ROM to
enable the CD-ROM to play
audio CD-ROMs through the
soundcard.
• Turning your PC into a stereo
system!
25. Video Card
• The video card will
have a distinct 15-pin
female DB connector.
• While most DB
connectors will have
only two rows of pins,
the video card will
have three rows.
26. Network Card
• Networks are connected PCs
that share information. The
PCs are usually connected by
some type of cabling, usually
an advanced type of phone
cable or coax.
• Network cards (NICs) provide
the interface between the
network and the PC.
• A NIC will be distinguished by
having one of the following
types of connectors:
– RJ-45
– 15-pin female DB
– 9-pin female DB.
– It is very common to see NICs
with more than one connector.
27. Modem
• A modem works with
your telephone line.
• A modem is designed
to translate analog
telephone signals into
digital serial data.
• An external modem
sits outside the PC
and is plugged into a
serial port.
• Modems have RJ-11
sockets.
28. Printer Connection
• Printers use a special
connector called a
"parallel" port.
• Parallel ports carry
data on more than one
wire, as opposed to
the serial port that
only uses one wire.
• Parallel ports have a
distinct 25-pin female
DB connector.
30. Serial Port
• It takes a stream of serial
data (data that runs on
only one wire) and
converts it into a format
that is easily understood
by the CPU.
• The serial connector was
and is either a 25- or a 9-
pin male DB connector.
• You can get an adapter
that enables you to
convert 9 to 25 or 25 to 9.
31. Exercise: Cleaning a Mouse
On bottom of mouse:
1. Remove the round plate that holds the mouse
ball in place. Open by turning the plate.
2. Remove the plate and ball.
3. Pick out “fuzz” and dirt.
4. Clean the ball with soapy water.
5. Dry the ball and replace it and replace cover.
32. Exercise: Play the Human
Computer Game
1. Count off by two’s.
2. Pin the picture and name of a “computer
component” to your back.
3. Ask your partner about 5-10 questions
about what type of “computer
component” you are until you guess the
name of the component.
4. Be sure to use the computer terms you
learned during the presentation.