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Computer Science Ics Part 1 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | What protects data is blockchain like a sealed envelope. |
<p>Encryoption</p> <p>Erasing</p> <p>Copy pasting</p> <p>Sharing publicly</p> |
| 2 | How does blockchain help banks transfer money internationally |
<p>Makes it slower</p> <p>Makes it faster and cheaper</p> <p>Adds middlemen</p> <p>Requires cash</p> |
| 3 | Artists use blockchain to prove their digital art is original using. |
<p>Passowrds</p> <p>Digital signatures /nfts</p> <p>Paint</p> <p>Usb drives</p> |
| 4 | Whcih company supports blockchain networks usng clould services. |
<p>Facebook</p> <p>Amazon</p> <p>Twitter</p> <p>Intstagram</p> |
| 5 | What is one major challenge associated with smart contractss |
<p>They are too fast</p> <p>Code errors can't be fixed easily</p> <p>they are too simple</p> <p>Everyone unde5stands them</p> |
| 6 | Smart contracts are automatically executed when |
<p>Someone asks</p> <p>Conditions are met</p> <p>Time pases</p> <p>Money is stolen</p> |
| 7 | Cryptocurrencles works without which of the fllowing |
<p>Banks</p> <p>Internet</p> <p>Users</p> <p>Code</p> |
| 8 | What is bitcoin an example of |
<p>Saas</p> <p>Cr7yptocurrency</p> <p>Operating system</p> <p>Game</p> |
| 9 | Block chain can make elections more secure by |
<p>Allowign paper ballots</p> <p>Making votes unchangeable</p> <p>Letting anyone vote</p> <p>Remong voters</p> |
| 10 | What is brnefit of using blockchai for trackign producets. |
<p>Makes products cheapr</p> <p>Prevetns fake goods</p> <p>Increasespollution </p> <p>Slows down delivery</p> |
| 11 | How cna blockchain help in healthxcars. |
<p>Store patient records securely</p> <p>Prit documents</p> <p>Play videos</p> <p>Share social media</p> |
| 12 | Whcih of the followng is a key principle of blockchain |
<p>Centralizatiion</p> <p>Decentralization </p> <p>Single point failure</p> <p>Manual updates</p> |
| 13 | In blckchain , what is node? |
<p>a broken device</p> <p>A participant in the networks</p> <p>A passowrd</p> <p>A deleted file</p> |
| 14 | What ensures that everyone agrees before new data is added to the blockchain. |
<p>Random selection </p> <p>Consensus</p> <p>guessing</p> <p>Voting by email</p> |
| 15 | Once added, blckchan records cannot be changed. This property is called. |
<p>Flexcibility</p> <p>Immutability</p> <p>Scalability</p> <p>Modifiability</p> |
