Data Manipulation Quiz( Form 4, Computer Science )

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Test your knowledge on data manipulation concepts in Computer Science!

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Data Manipulation Quiz( Form 4, Computer Science )


Froggy Jumps Data Manipulation Quiz( Form 4, Computer Science )Online version Test your knowledge on data manipulation concepts in Computer Science! by YAKILI LMS 1 What is data manipulation? a The storage of data in databases. b The process of adjusting data to make it organized and useful. c The deletion of unnecessary data. 2 Which operation is NOT a data manipulation operation? a Data encryption. b Data filtering. c Data sorting. 3 What does CRUD stand for in data manipulation? a Create, Remove, Update, Display. b Copy, Read, Update, Delete. c Create, Read, Update, Delete. 4 Which SQL command is used to retrieve data? a SELECT. b INSERT. c UPDATE. 5 What is a primary key in a database? a A type of data manipulation. b A unique identifier for a record in a table. c A method of data encryption. 6 Which of the following is a data manipulation language? a HTML. b SQL. c CSS. 7 What is the purpose of data filtering? a To sort data alphabetically. b To display only the data that meets certain criteria. c To delete all data. 8 Which operation would you use to modify existing data? a Insert. b Update. c Delete. 9 What is data aggregation? a Combining multiple data points into a summary. b Splitting data into smaller parts. c Storing data in different formats. 10 What does normalization in databases refer to? a Increasing data size. b Organizing data to reduce redundancy. c Encrypting data for security. 11 What is the binary equivalent of the decimal number 10? a 1010 b 1100 c 1001 12 Which operation is NOT commonly performed on binary numbers? a Subtraction b Square Root c Addition 13 What is the hexadecimal representation of decimal 255? a FE b F0 c FF 14 How do you convert the binary number 1101 to decimal? a 14 b 13 c 12 15 What is the result of adding binary 1011 and 1101? a 11000 b 10100 c 11101 16 Which base is used in the octal number system? a 10 b 16 c 8 17 What is the decimal equivalent of the binary number 1110? a 16 b 14 c 12 18 What is the result of subtracting binary 1010 from 1100? a 01 b 11 c 10 19 Which of the following is a valid hexadecimal digit? a G b A c Z 20 What is the binary representation of the decimal number 5? a 101 b 100 c 110 21 What is the basic building block of a logic circuit? a Capacitor b Logic gate c Resistor 22 Which logic gate outputs true only when all inputs are true? a AND gate b OR gate c NOT gate 23 What does a NOT gate do to its input? a Inverts it b Adds one c Doubles it 24 Which gate is represented by the symbol '≥1'? a XOR gate b AND gate c OR gate 25 What is the output of an AND gate with one input false? a Undefined b False c True 26 Which logic gate produces a true output when inputs are different? a AND gate b NOR gate c XOR gate 27 What is the output of a NOR gate when both inputs are true? a False b True c Undefined 28 Which circuit combines multiple logic gates? a Resistor circuit b Logic circuit c Capacitor circuit 29 What is the primary use of logic circuits? a Store data b Perform logical operations c Transmit signals 30 What is the output of a NAND gate when both inputs are true? a Undefined b True c False 31 What is the first step in converting a binary number to decimal? a Identify the place values of each bit. b Add all bits together. c Multiply by 2 for each bit. 32 Which base does the hexadecimal system use? a Base 16. b Base 10. c Base 8. 33 How do you convert decimal 10 to binary? a 1100. b 1010. c 1001. 34 What is the primary method for converting from decimal to octal? a Add 8 repeatedly. b Multiply by 8. c Divide by 8 and record remainders. 35 What does the term 'base' refer to in number systems? a The number of unique digits used. b The total count of numbers. c The size of the number. 36 Which of the following is a valid hexadecimal digit? a G. b A. c 9. 37 What is the binary equivalent of decimal 5? a 110. b 100. c 101. 38 When converting from binary to decimal, what do you multiply each bit by? a 2 raised to the power of its position. b 1 raised to the power of its position. c 10 raised to the power of its position. 39 What is the octal equivalent of decimal 8? a 10. b 8. c 12. 40 In which number system is 'F' a valid digit? a Hexadecimal. b Binary. c Decimal. 41 What is the sum of 1 and 1 in base 2? a 11 b 10 c 2 42 How do you represent the decimal number 10 in base 3? a 101 b 100 c 11 43 What is the result of 2 + 3 in base 4? a 10 b 11 c 12 44 In base 5, what is 4 - 2? a 2 b 1 c 3 45 What is 7 + 5 in base 8? a 12 b 14 c 15 46 What is the subtraction of 1 from 10 in base 2? a 0 b 1 c 10 47 How do you write 15 in base 16? a 10 b F c E 48 What is 9 + 9 in base 10? a 17 b 18 c 19 49 In base 6, what is 5 + 2? a 12 b 11 c 10 50 What is the result of 3 - 1 in base 4? a 1 b 2 c 3

Data Manipulation Quiz( Form 4, Computer Science )

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Data Manipulation Quiz( Form 4, Computer Science )Online version

by YAKILI LMS

What is data manipulation?

Which operation is NOT a data manipulation operation?

What does CRUD stand for in data manipulation?

Which SQL command is used to retrieve data?

What is a primary key in a database?

Which of the following is a data manipulation language?

What is the purpose of data filtering?

Which operation would you use to modify existing data?

What is data aggregation?

What does normalization in databases refer to?

What is the binary equivalent of the decimal number 10?

Which operation is NOT commonly performed on binary numbers?

What is the hexadecimal representation of decimal 255?

How do you convert the binary number 1101 to decimal?

What is the result of adding binary 1011 and 1101?

Which base is used in the octal number system?

What is the decimal equivalent of the binary number 1110?

What is the result of subtracting binary 1010 from 1100?

Which of the following is a valid hexadecimal digit?

What is the binary representation of the decimal number 5?

What is the basic building block of a logic circuit?

Which logic gate outputs true only when all inputs are true?

What does a NOT gate do to its input?

Which gate is represented by the symbol '≥1'?

What is the output of an AND gate with one input false?

Which logic gate produces a true output when inputs are different?

What is the output of a NOR gate when both inputs are true?

Which circuit combines multiple logic gates?

What is the primary use of logic circuits?

What is the output of a NAND gate when both inputs are true?

What is the first step in converting a binary number to decimal?

Which base does the hexadecimal system use?

How do you convert decimal 10 to binary?

What is the primary method for converting from decimal to octal?

What does the term 'base' refer to in number systems?

Which of the following is a valid hexadecimal digit?

What is the binary equivalent of decimal 5?

When converting from binary to decimal, what do you multiply each bit by?

What is the octal equivalent of decimal 8?

In which number system is 'F' a valid digit?

What is the sum of 1 and 1 in base 2?

How do you represent the decimal number 10 in base 3?

What is the result of 2 + 3 in base 4?

In base 5, what is 4 - 2?

What is 7 + 5 in base 8?

What is the subtraction of 1 from 10 in base 2?

How do you write 15 in base 16?

What is 9 + 9 in base 10?

In base 6, what is 5 + 2?

What is the result of 3 - 1 in base 4?