Computer Science - 0478 CIE

Digital Currency

Bayani Gaba-gaba

More and more money never takes a physical form at all. When you tap a card or pay through an app, no coins or notes change hands; only data moves between computers. Digital currency is that money, and cryptocurrencies push the idea further by removing the bank from the middle altogether.

In this lesson you will learn what a digital currency is and how it is used, then meet the problem a decentralised currency creates: with no bank in charge, how do you stop people cheating? The answer is the blockchain, a tamper-evident digital ledger, and you will follow exactly how it records and protects every transaction.

Manufura

  1. 1 Understand the concept of a digital currency and how digital currencies are used
  2. 2 Understand the process of blockchain and how it is used to track digital currency transactions

Darasin Sauti

Saurari wannan darasi a cikin manhaja

Taswirar tunani

An zana wannan batu don ka ga yadda ra'ayoyi ke hadewa.

Bude taswirar tunani a cikin manhaja

Katunan tunawa

Gwaji mai sauri kan abin da ake jarraba a wannan batu.

Yi atisayen wadannan katuna a cikin manhaja

Takardar Darasi

Most payments you will make in your life are already digital. Understanding how digital currency moves securely between computers, and how a blockchain lets a currency work with no central bank to trust, explains both everyday card payments and the cryptocurrencies that appear constantly in the news. The 0478 syllabus expects you to describe both the concept and the blockchain process clearly.

Cikakken Bayanin Darasi Yana Kan Manhajar Green Bridge

Sami manhajar Green Bridge CBT a wayarka ko kwamfutarka domin cikakken laburaren IGCSE: takardun jarrabawar baya, tsarin kimantawa, taswirar tunani, katunan karatu da darussan sauti.

Cikakkiyar bayanan darasi tare da zane-zane
Mataimakiyar koyo da AI
Jarrabawar gwaji mai lokaci da ake kimantawa da zarar ka gama
Akwai a Android, Windows, macOS, da Linux Manhajar iOS tana zuwa nan ba da jimawa ba

Nazarin Darasi

Barka da kammala darasi akan Digital Currency. Yanzu da kuka bincika mahimman ra'ayoyi da ra'ayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. A digital currency is best described as a currency that: A. exists only as coins and notes B. exists electronically rather than physically C. can never be used online D. is controlled by a single shop Answer: B
  2. Which protocol is used to encrypt digital-currency payment data sent between computers? A. HTTP B. FTP C. HTTPS D. SMTP Answer: C
  3. A cryptocurrency such as Bitcoin uses which type of system? A. centralised B. decentralised C. manual D. analogue Answer: B
  4. What is the digital ledger in a blockchain? A. a single encrypted password B. a list of all the transactions recorded by the blockchain C. a type of cookie D. the bank's central computer Answer: B
  5. Once a transaction has been added to a blockchain ledger, it: A. can be edited by anyone B. is deleted after a day C. cannot be changed D. becomes private and unviewable Answer: C

Yi aikin wadannan tambayoyi a cikin manhaja

Yi aikin wadannan tambayoyi a cikin manhaja

Yi Aikin Tambayoyin Gwaji

Kana son yin aikin tambayoyin gwaji kan Digital Currency? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.

Sauke Manhajar Daga Google Playstore

Duk abin da kake buƙata don yin fice a JAMB, WAEC & NECO.

Green Bridge CBT Mobile App
Keɓantaccen Mataimaki na Tattaunawa na Koyo na AI
Tambayoyin jarrabawa na IGCSE, JAMB, WAEC da NECO fiye da 200,000.
Fiye da Lura-Luran Darussa 1200
Tallafin Wajen Layi - Koyo Kowane Lokaci, Ko'ina
Jadawalin Gadar Kore.
Takaitaccen Bayanin Adabi & Tambayoyin Da Za Su Iya Tashi
Bibiye Ayyukanka da Ci Gaban Ka
Cikakken Bayani don Koyon Fahimta.