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. If the sum of five consecutive numbers is 190, then the lowest number amongst them is
Q1. 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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Q2. What is the term for all positive and negative numbers as a whole including zero?
Q2. What is the term for all positive and negative numbers as a whole including zero?
(A) Real Numbers
(A) Real Numbers
(A) Real Numbers
(B) Natural Numbers
(B) Natural Numbers
(B) Natural Numbers
(C) Whole Numbers
(C) Whole Numbers
(C) Whole Numbers
(D) Integer Numbers
(D) Integer Numbers
(D) Integer Numbers
Answer: (D) Integer Numbers
Answer: (D) Integer Numbers
Answer: (D) Integer Numbers
Integers
Integers
Integers
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Q3. Which of the following is not an operating system for Computers?
Q3. Which of the following is not an operating system for Computers?
(A) Windows 11
(A) Windows 11
(A) Windows 11
(B) Linux
(B) Linux
(B) Linux
(C) Microsoft Office
(C) Microsoft Office
(C) Microsoft Office
(D) Ubuntu
(D) Ubuntu
(D) Ubuntu
Answer: (C) Microsoft Office
Answer: (C) Microsoft Office
Answer: (C) Microsoft Office
Microsoft Office, or simply Office, is a family of client software, server software, and services developed by Microsoft.
Microsoft Office, or simply Office, is a family of client software, server software, and services developed by Microsoft.
Microsoft Office, or simply Office, is a family of client software, server software, and services developed by Microsoft.
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Q4. What is the primary function of a search engine?
Q4. 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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Q5. In a range of consecutive numbers starting with 1, all the even numbers are removed. From the remaining, consider the first 7 numbers. The sum of these 7 numbers is
Q5. In a range of consecutive numbers starting with 1, all the even numbers are removed. From the remaining, consider the first 7 numbers. The sum of these 7 numbers is
(A) 35
(A) 35
(A) 35
(B) 42
(B) 42
(B) 42
(C) 49
(C) 49
(C) 49
(D) 56
(D) 56
(D) 56
Answer: (C) 49
Answer: (C) 49
Answer: (C) 49
1+3+5+7+9+11+13 = 49
1+3+5+7+9+11+13 = 49
1+3+5+7+9+11+13 = 49
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Q6. What is the primary function of RAM?
Q6. 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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Q7. Find the odd letters from the given below
Q7. Find the odd letters from the given below
PQR, PON, DCB, SQR
PQR, PON, DCB, SQR
PQR, PON, DCB, SQR
(A) DCB
(A) DCB
(A) DCB
(B) PQR
(B) PQR
(B) PQR
(C) SRQ
(C) SRQ
(C) SRQ
(D) PON
(D) PON
(D) PON
Answer: (B) PQR
Answer: (B) PQR
Answer: (B) PQR
PQR
PQR
PQR
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Q8. Which of the following punctuation marks is called ‘hyphen’?
Q8. Which of the following punctuation marks is called ‘hyphen’?
(A) -
(A) -
(A) -
(B) /
(B) /
(B) /
(C) '
(C) '
(C) '
(D) :
(D) :
(D) :
Answer: (A) -
Answer: (A) -
Answer: (A) -
A hyphen (-) is a punctuation mark used to connect words or parts of words. It is typically shorter than a dash.
A hyphen (-) is a punctuation mark used to connect words or parts of words. It is typically shorter than a dash.
A hyphen (-) is a punctuation mark used to connect words or parts of words. It is typically shorter than a dash.
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Q9. 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
Q9. 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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Q10. Which of the following is the smallest unit of data in a computer?
Q10. Which of the following is the smallest unit of data in a computer?
(A) Byte
(A) Byte
(A) Byte
(B) Nibble
(B) Nibble
(B) Nibble
(C) Bit
(C) Bit
(C) Bit
(D) KB
(D) KB
(D) KB
Answer: (C) Bit
Answer: (C) Bit
Answer: (C) Bit
A bit (binary digit) is the smallest and most fundamental unit of data in computing. It represents a single binary value, either a 0 or a 1. All other units of digital data, such as bytes, kilobytes, megabytes, etc., are made up of combinations of bits. A byte, for example, is composed of 8 bits.
A bit (binary digit) is the smallest and most fundamental unit of data in computing. It represents a single binary value, either a 0 or a 1. All other units of digital data, such as bytes, kilobytes, megabytes, etc., are made up of combinations of bits. A byte, for example, is composed of 8 bits.
A bit (binary digit) is the smallest and most fundamental unit of data in computing. It represents a single binary value, either a 0 or a 1. All other units of digital data, such as bytes, kilobytes, megabytes, etc., are made up of combinations of bits. A byte, for example, is composed of 8 bits.
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Related Questions
1. How does a computer's CPU process instructions?2. What is the purpose of a cache memory in a CPU?3. p, q, r are three numbers such that the LCM of p and q is q and the LCM of q and r is r. The LCM of p, q and r will be4. Three numbers are in the ratio 3:4:5. The sum of the largest and the smallest equals the sum of the third and 52. The smallest number is5. The sum of two numbers is 15 and the sum of their squares is 113. The numbers are6. What is the difference between RAM and ROM?7. If ROBOTICS is coded as OROBITSC, then PROJECTS would be coded as8. Which of the following language does the computer understand?9. Consider the four numbers given numbers. If the digits of each number are arranged in ascending order, which new number would be the smallest?10. Which of the following is a common input device used in computers?11. The median of the sequence of numbers 2, – 1, 3, 1, – 2, 5, 6 is12. The sum of 5 consecutive odd numbers is found to be 95. The largest of the numbers is13. Which of the following words cannot be made using the letters of MENDICANT?14. What is the basic unit of data storage in a computer?15. 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 is16. What is the term used to describe the process of converting data into a code that cannot be read or understood without a key?17. Which of the following computer language is written in binary codes only?18. Which of the following is not a characteristic of a computer?19. What is the purpose of the BIOS in a computer?20. Three numbers are in the ratio 3:4:6 and their product is 1944. The largest of the numbers is.