IS 300 Final Shit

Byte

8 bits

Word

16 bits

Data hierarchy

database, file, record, field, byte, bit

Moore’s Law

As time increases, processing power (MIPS; million instructions per second) increases and number of transistors increases too.

Cost of chips declines with increase of time

IaaS (infrastructure as a service)

a cloud computing model that provides virtualized computing resources over the internet, allowing users to rent servers, storage, and networking.

SaaS (software as a service)

a cloud computing model that delivers software applications over the internet on a subscription basis, eliminating the need for local installation.

PaaS (platform as a service)

a cloud computing model that provides a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure.

DNS

domain name system

IPv4

32 bits; 4 bytes
#.#.#.# (each number 0-255)

IPv6

128 bits; 16 bytes
#.#.#.#.#.#.#.# (each number 0-65535)

packet switching

Messages broken down into small bundles of data (packets), reassembled once they reach the destinations

net neutrality

All data on internet should be treated equally not discriminated against

Transmission Control Protocol (TCP)

Establishes connection between computers, sequences the transfers of packets, and acknowledges the packets sent

Internet Protocol (IP)

Includes disassembling and reassembling of packets during transmission

Blockchain

A decentralized digital ledger technology that records transactions across many computers, ensuring security and transparency.

Bitcoin

A decentralized digital currency that operates on a blockchain technology, enabling peer-to-peer transactions without the need for intermediaries.