Computer Science (9-1) - 0984 CIE

Digital Currency

Akopọ

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.

Awọn Afojusun

  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

Akọ̀wé Ẹ̀kọ́

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.

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

Ìdánwò Ẹ̀kọ́

Oriire fun ipari ẹkọ lori Digital Currency. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.

Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.

Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.

  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

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

Ṣe Adaṣe Awọn Ibeere Idanwo Adaṣe

Ṣe o fẹ ṣe adaṣe awọn ibeere idanwo adaṣe nipa Digital Currency? Ṣe igbasilẹ ohun elo Green Bridge CBT lati wọle si awọn ibeere idanwo adaṣe ati awọn ayẹwo adaṣe kikun fun koko-ọrọ yii.

Ṣe igbasilẹ ohun elo naa lori Google Playstore

Gbogbo ohun ti o nilo lati ṣe dara julọ ninu JAMB, WAEC ati NECO.

Green Bridge CBT Mobile App
Asiko ẹkọ AI ti ara ẹni Chat Assistant
Ẹgbẹẹgbẹrun Awọn Ibeere Atijọ JAMB, WAEC & NECO
Fiwọn 1200 Awọn akọsilẹ Ẹkọ ju.
Atilẹyin Aisinipo - Kọ ẹkọ Nigbakugba, Nibi gbogbo
Tẹ̀dí Green Bridge
Àkójọpọ̀ Ìtàn Lítíréṣọ̀ & Ìbéèrè Tó Lè Dáyéé ṣẹ́lẹ̀
Tẹle iṣẹ ṣiṣe rẹ ati ilọsiwaju rẹ.
Àlàyé tí ó jinlẹ̀ fún ìmòye tó jinlẹ̀.