Which of the following is a common input device used in computers? [#1482]
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Q1. Which of the following is a common input device used in computers?
Q1. Which of the following is a common input device used in computers?
(A) Monitor
(A) Monitor
(A) Monitor
(B) Printer
(B) Printer
(B) Printer
(C) Keyboard
(C) Keyboard
(C) Keyboard
(D) Speaker
(D) Speaker
(D) Speaker
Answer: (C) Keyboard
Answer: (C) Keyboard
Answer: (C) Keyboard
A keyboard is an input device used to enter data into a computer. It typically has keys representing letters, numbers, symbols, and punctuation.
A keyboard is an input device used to enter data into a computer. It typically has keys representing letters, numbers, symbols, and punctuation.
A keyboard is an input device used to enter data into a computer. It typically has keys representing letters, numbers, symbols, and punctuation.
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Related MCQ Quizzes
Q1. What is the primary function of RAM?
Q1. What is the primary function of RAM?
(A) Stores data permanently
(A) Stores data permanently
(A) Stores data permanently
(B) Temporarily stores data for immediate use
(B) Temporarily stores data for immediate use
(B) Temporarily stores data for immediate use
(C) Controls the flow of electricity in a computer
(C) Controls the flow of electricity in a computer
(C) Controls the flow of electricity in a computer
(D) Interprets and executes instructions
(D) Interprets and executes instructions
(D) Interprets and executes instructions
Answer: (B) Temporarily stores data for immediate use
Answer: (B) Temporarily stores data for immediate use
Answer: (B) Temporarily stores data for immediate use
RAM (Random Access Memory) is a type of computer memory that stores data temporarily while the computer is running. It is used to hold data that the CPU needs to access quickly, such as programs and data being used by applications.
RAM (Random Access Memory) is a type of computer memory that stores data temporarily while the computer is running. It is used to hold data that the CPU needs to access quickly, such as programs and data being used by applications.
RAM (Random Access Memory) is a type of computer memory that stores data temporarily while the computer is running. It is used to hold data that the CPU needs to access quickly, such as programs and data being used by applications.
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Q2. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is
Q2. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is
(A) 8
(A) 8
(A) 8
(B) 12
(B) 12
(B) 12
(C) 20
(C) 20
(C) 20
(D) 36
(D) 36
(D) 36
Answer: (C) 20
Answer: (C) 20
Answer: (C) 20
=> 2x * 3x = 96
=> 6x2 = 96
=> x2 = 96/6
=> x2 = 16
=> x = 4
2x + 3x = 5x = 5 * 4 = 20
=> 2x * 3x = 96 => 6x2 = 96 => x2 = 96/6 => x2 = 16 => x = 4 2x + 3x = 5x = 5 * 4 = 20
=> 2x * 3x = 96 => 6x2 = 96 => x2 = 96/6 => x2 = 16 => x = 4 2x + 3x = 5x = 5 * 4 = 20
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Q3. Which of the following is a common input device used in computers?
Q3. Which of the following is a common input device used in computers?
(A) Monitor
(A) Monitor
(A) Monitor
(B) Printer
(B) Printer
(B) Printer
(C) Keyboard
(C) Keyboard
(C) Keyboard
(D) Speaker
(D) Speaker
(D) Speaker
Answer: (C) Keyboard
Answer: (C) Keyboard
Answer: (C) Keyboard
A keyboard is an input device used to enter data into a computer. It typically has keys representing letters, numbers, symbols, and punctuation.
A keyboard is an input device used to enter data into a computer. It typically has keys representing letters, numbers, symbols, and punctuation.
A keyboard is an input device used to enter data into a computer. It typically has keys representing letters, numbers, symbols, and punctuation.
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Q4. If the sum of five consecutive numbers is 190, then the lowest number amongst them is
Q4. If the sum of five consecutive numbers is 190, then the lowest number amongst them is
(A) 40
(A) 40
(A) 40
(B) 19
(B) 19
(B) 19
(C) 38
(C) 38
(C) 38
(D) 36
(D) 36
(D) 36
Answer: (D) 36
Answer: (D) 36
Answer: (D) 36
36
36
36
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Q5. Which of the following is not a characteristic of a computer?
Q5. Which of the following is not a characteristic of a computer?
(A) Versatility
(A) Versatility
(A) Versatility
(B) Accuracy
(B) Accuracy
(B) Accuracy
(C) Diligence
(C) Diligence
(C) Diligence
(D) Intelligence
(D) Intelligence
(D) Intelligence
Answer: (D) Intelligence
Answer: (D) Intelligence
Answer: (D) Intelligence
While computers can process vast amounts of data and execute complex algorithms to simulate intelligence (Artificial Intelligence), they do not possess inherent intelligence, intuition, or the ability to think, reason, or make decisions based on emotion or consciousness like humans do. Their "intelligence" is derived from the programs and data they are fed.
While computers can process vast amounts of data and execute complex algorithms to simulate intelligence (Artificial Intelligence), they do not possess inherent intelligence, intuition, or the ability to think, reason, or make decisions based on emotion or consciousness like humans do. Their "intelligence" is derived from the programs and data they are fed.
While computers can process vast amounts of data and execute complex algorithms to simulate intelligence (Artificial Intelligence), they do not possess inherent intelligence, intuition, or the ability to think, reason, or make decisions based on emotion or consciousness like humans do. Their "intelligence" is derived from the programs and data they are fed.
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Q6. The sum of first 6 prime numbers is
Q6. The sum of first 6 prime numbers is
(A) 40
(A) 40
(A) 40
(B) 43
(B) 43
(B) 43
(C) 41
(C) 41
(C) 41
(D) 42
(D) 42
(D) 42
Answer: (C) 41
Answer: (C) 41
Answer: (C) 41
41
41
41
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Q7. What is the difference between RAM and ROM?
Q7. What is the difference between RAM and ROM?
(A) RAM is permanent storage, while ROM is temporary storage.
(A) RAM is permanent storage, while ROM is temporary storage.
(A) RAM is permanent storage, while ROM is temporary storage.
(B) RAM is volatile memory, while ROM is non-volatile memory
(B) RAM is volatile memory, while ROM is non-volatile memory
(B) RAM is volatile memory, while ROM is non-volatile memory
(C) RAM is used for long-term storage, while ROM is used for temporary storage.
(C) RAM is used for long-term storage, while ROM is used for temporary storage.
(C) RAM is used for long-term storage, while ROM is used for temporary storage.
(D) RAM can only read data, while ROM can both read and write data.
(D) RAM can only read data, while ROM can both read and write data.
(D) RAM can only read data, while ROM can both read and write data.
Answer: (B) RAM is volatile memory, while ROM is non-volatile memory
Answer: (B) RAM is volatile memory, while ROM is non-volatile memory
Answer: (B) RAM is volatile memory, while ROM is non-volatile memory
RAM is volatile (loses data when power is off) while ROM is non-volatile (retains data).
RAM is volatile (loses data when power is off) while ROM is non-volatile (retains data).
RAM is volatile (loses data when power is off) while ROM is non-volatile (retains data).
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Q8. Which of the following is not a type of computer code?
Q8. Which of the following is not a type of computer code?
(A) EDIC
(A) EDIC
(A) EDIC
(B) ASCII
(B) ASCII
(B) ASCII
(C) BCD
(C) BCD
(C) BCD
(D) EBCDIC
(D) EBCDIC
(D) EBCDIC
Answer: (A) EDIC
Answer: (A) EDIC
Answer: (A) EDIC
The options listed are related to character encoding schemes, which are methods of representing text characters in computers. ASCII (American Standard Code for Information Interchange) is a widely used character encoding standard that represents text in computers, telecommunications equipment, and other devices. BCD (Binary-Coded Decimal) is a method of encoding decimal numbers where each decimal digit is represented by its own binary sequence. While primarily for numbers, it's a form of data representation or "code." EBCDIC (Extended Binary Coded Decimal Interchange Code) is another character encoding standard, primarily used on IBM mainframe operating systems.
The options listed are related to character encoding schemes, which are methods of representing text characters in computers. ASCII (American Standard Code for Information Interchange) is a widely used character encoding standard that represents text in computers, telecommunications equipment, and other devices. BCD (Binary-Coded Decimal) is a method of encoding decimal numbers where each decimal digit is represented by its own binary sequence. While primarily for numbers, it's a form of data representation or "code." EBCDIC (Extended Binary Coded Decimal Interchange Code) is another character encoding standard, primarily used on IBM mainframe operating systems.
The options listed are related to character encoding schemes, which are methods of representing text characters in computers. ASCII (American Standard Code for Information Interchange) is a widely used character encoding standard that represents text in computers, telecommunications equipment, and other devices. BCD (Binary-Coded Decimal) is a method of encoding decimal numbers where each decimal digit is represented by its own binary sequence. While primarily for numbers, it's a form of data representation or "code." EBCDIC (Extended Binary Coded Decimal Interchange Code) is another character encoding standard, primarily used on IBM mainframe operating systems.
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Q9. What is the primary function of a search engine?
Q9. What is the primary function of a search engine?
(A) To create websites
(A) To create websites
(A) To create websites
(B) To store data
(B) To store data
(B) To store data
(C) To index and retrieve information from the web
(C) To index and retrieve information from the web
(C) To index and retrieve information from the web
(D) To provide wireless connectivity
(D) To provide wireless connectivity
(D) To provide wireless connectivity
Answer: (C) To index and retrieve information from the web
Answer: (C) To index and retrieve information from the web
Answer: (C) To index and retrieve information from the web
A search engine is a software application that helps users find information on the internet. It works by indexing web pages and then retrieving relevant results based on user queries.
A search engine is a software application that helps users find information on the internet. It works by indexing web pages and then retrieving relevant results based on user queries.
A search engine is a software application that helps users find information on the internet. It works by indexing web pages and then retrieving relevant results based on user queries.
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Q10. What is the primary function of a CPU?
Q10. What is the primary function of a CPU?
(A) Store data permanently
(A) Store data permanently
(A) Store data permanently
(B) Display information on a screen
(B) Display information on a screen
(B) Display information on a screen
(C) Execute instructions and perform calculations
(C) Execute instructions and perform calculations
(C) Execute instructions and perform calculations
(D) Manage input and output devices
(D) Manage input and output devices
(D) Manage input and output devices
Answer: (C) Execute instructions and perform calculations
Answer: (C) Execute instructions and perform calculations
Answer: (C) Execute instructions and perform calculations
The CPU, or Central Processing Unit, is the "brain" of the computer. It carries out commands and processes data.
The CPU, or Central Processing Unit, is the "brain" of the computer. It carries out commands and processes data.
The CPU, or Central Processing Unit, is the "brain" of the computer. It carries out commands and processes data.
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Related Questions
1. The count of prime numbers between 80 and 100 is2. Which of the following is not a type of computer code?3. What is the purpose of a cache memory in a CPU?4. Select the number pair in which the two numbers are related in the same way as 35 : 6.5. Find the odd letters from the given below6. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is7. Three numbers are in the ratio 3:4:6 and their product is 1944. The largest of the numbers is.8. Which of the following is a common output device used in computers?9. Who is the father of Computers?10. Find the odd letters from the given below11. Which of the following is the correct abbreviation of COMPUTER?12. Which of the following is not an operating system for Computers?13. What is the term used to describe the process of converting digital data into a format that can be transmitted over a network?14. How does a computer's CPU process instructions?15. What does BIOS stands for in computer?16. The LCM of two numbers is 40 and their HCF is 4. If the difference between the two numbers is 12, then the sum of the numbers is17. How many prime numbers exist, which are less than 40?18. Consider the four numbers given numbers. If the digits of each number are arranged in ascending order, which new number would be the smallest?19. The product of two consecutive odd numbers is 19043. Which is the smaller number?20. Which of the following punctuation marks is called ‘apostrophe’?