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. The sum of 5 consecutive odd numbers is found to be 95. The largest of the numbers is
Q1. The sum of 5 consecutive odd numbers is found to be 95. The largest of the numbers is
(A) 17
(A) 17
(A) 17
(B) 21
(B) 21
(B) 21
(C) 23
(C) 23
(C) 23
(D) 19
(D) 19
(D) 19
Answer: (C) 23
Answer: (C) 23
Answer: (C) 23
X + (X+2) + (X+4) + (X+6) + (X+8) = 95
=> 5X + 20 = 95
=> 5X = 95-20
=> 5X = 75
=> X = 15
Hence (X+8) = 15+8 = 23
X + (X+2) + (X+4) + (X+6) + (X+8) = 95 => 5X + 20 = 95 => 5X = 95-20 => 5X = 75 => X = 15 Hence (X+8) = 15+8 = 23
X + (X+2) + (X+4) + (X+6) + (X+8) = 95 => 5X + 20 = 95 => 5X = 95-20 => 5X = 75 => X = 15 Hence (X+8) = 15+8 = 23
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Q2. The product of two consecutive odd numbers is 19043. Which is the smaller number?
Q2. The product of two consecutive odd numbers is 19043. Which is the smaller number?
(A) 133
(A) 133
(A) 133
(B) 131
(B) 131
(B) 131
(C) 137
(C) 137
(C) 137
(D) 129
(D) 129
(D) 129
Answer: (C) 137
Answer: (C) 137
Answer: (C) 137
137
137
137
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Q3. Which of the following is not a type of computer code?
Q3. Which of the following is not a type of computer code?
(A) Source code
(A) Source code
(A) Source code
(B) Object code
(B) Object code
(B) Object code
(C) Machine code
(C) Machine code
(C) Machine code
(D) Design code
(D) Design code
(D) Design code
Answer: (D) Design code
Answer: (D) Design code
Answer: (D) Design code
Computer code refers to the instructions that a computer can understand and execute. Source code is human-readable code written by programmers using a high-level programming language (e.g., Python, Java, C++).Object code is the output of a compiler after translating source code into machine-readable instructions, but it's not yet executable on its own and often needs to be linked with other object files. Machine code is the lowest-level programming language, directly executable by a computer's CPU. It consists of binary instructions (0s and 1s).Bytecode is an intermediate form of code that is typically executed by a virtual machine (like the Java Virtual Machine). It's platform-independent.
Computer code refers to the instructions that a computer can understand and execute. Source code is human-readable code written by programmers using a high-level programming language (e.g., Python, Java, C++).Object code is the output of a compiler after translating source code into machine-readable instructions, but it's not yet executable on its own and often needs to be linked with other object files. Machine code is the lowest-level programming language, directly executable by a computer's CPU. It consists of binary instructions (0s and 1s).Bytecode is an intermediate form of code that is typically executed by a virtual machine (like the Java Virtual Machine). It's platform-independent.
Computer code refers to the instructions that a computer can understand and execute. Source code is human-readable code written by programmers using a high-level programming language (e.g., Python, Java, C++).Object code is the output of a compiler after translating source code into machine-readable instructions, but it's not yet executable on its own and often needs to be linked with other object files. Machine code is the lowest-level programming language, directly executable by a computer's CPU. It consists of binary instructions (0s and 1s).Bytecode is an intermediate form of code that is typically executed by a virtual machine (like the Java Virtual Machine). It's platform-independent.
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Q4. How does a computer's operating system manage hardware resources?
Q4. How does a computer's operating system manage hardware resources?
(A) By storing data permanently
(A) By storing data permanently
(A) By storing data permanently
(B) By controlling the flow of data between hardware components
(B) By controlling the flow of data between hardware components
(B) By controlling the flow of data between hardware components
(C) By displaying graphics on the screen
(C) By displaying graphics on the screen
(C) By displaying graphics on the screen
(D) By processing instructions
(D) By processing instructions
(D) By processing instructions
Answer: (B) By controlling the flow of data between hardware components
Answer: (B) By controlling the flow of data between hardware components
Answer: (B) By controlling the flow of data between hardware components
An operating system (OS) acts as a manager for a computer's hardware, ensuring that different programs and tasks can share and use resources like the CPU, memory, and storage devices efficiently.
An operating system (OS) acts as a manager for a computer's hardware, ensuring that different programs and tasks can share and use resources like the CPU, memory, and storage devices efficiently.
An operating system (OS) acts as a manager for a computer's hardware, ensuring that different programs and tasks can share and use resources like the CPU, memory, and storage devices efficiently.
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Q5. Consider the four numbers given numbers. If the digits of each number are arranged in ascending order, which new number would be the smallest?
Q5. Consider the four numbers given numbers. If the digits of each number are arranged in ascending order, which new number would be the smallest?
I. 376
II. 629
III. 921
IV. 397
I. 376 II. 629 III. 921 IV. 397
I. 376 II. 629 III. 921 IV. 397
(A) III
(A) III
(A) III
(B) II
(B) II
(B) II
(C) I
(C) I
(C) I
(D) IV
(D) IV
(D) IV
Answer: (A) III
Answer: (A) III
Answer: (A) III
376 -> 367
629 -> 269
921 -> 129 *
397 -> 379
376 -> 367 629 -> 269 921 -> 129 * 397 -> 379
376 -> 367 629 -> 269 921 -> 129 * 397 -> 379
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Q6. Which of the following computer language is written in binary codes only?
Q6. Which of the following computer language is written in binary codes only?
(A) Assembly Language
(A) Assembly Language
(A) Assembly Language
(B) High-level Language
(B) High-level Language
(B) High-level Language
(C) Machine Language
(C) Machine Language
(C) Machine Language
(D) C
(D) C
(D) C
Answer: (C) Machine Language
Answer: (C) Machine Language
Answer: (C) Machine Language
Machine language is the only computer language that is directly written and understood in binary codes (sequences of 0s and 1s). It is the lowest-level programming language and is specific to the computer's architecture. Every instruction that the CPU executes is in machine code. Assembly language uses mnemonics to represent machine code instructions, making it slightly more human-readable than raw binary, but it still requires an assembler to translate it into machine code. High-level languages are much more abstract and human-readable, requiring compilers or interpreters to translate them into machine code before execution.
Machine language is the only computer language that is directly written and understood in binary codes (sequences of 0s and 1s). It is the lowest-level programming language and is specific to the computer's architecture. Every instruction that the CPU executes is in machine code. Assembly language uses mnemonics to represent machine code instructions, making it slightly more human-readable than raw binary, but it still requires an assembler to translate it into machine code. High-level languages are much more abstract and human-readable, requiring compilers or interpreters to translate them into machine code before execution.
Machine language is the only computer language that is directly written and understood in binary codes (sequences of 0s and 1s). It is the lowest-level programming language and is specific to the computer's architecture. Every instruction that the CPU executes is in machine code. Assembly language uses mnemonics to represent machine code instructions, making it slightly more human-readable than raw binary, but it still requires an assembler to translate it into machine code. High-level languages are much more abstract and human-readable, requiring compilers or interpreters to translate them into machine code before execution.
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Q7. The median of the sequence of numbers 2, – 1, 3, 1, – 2, 5, 6 is
Q7. The median of the sequence of numbers 2, – 1, 3, 1, – 2, 5, 6 is
(A) 1
(A) 1
(A) 1
(B) -1
(B) -1
(B) -1
(C) 2
(C) 2
(C) 2
(D) 3
(D) 3
(D) 3
Answer: (C) 2
Answer: (C) 2
Answer: (C) 2
In ascending order = -2, -1, 1, 2, 3, 5, 6
median = th term
= 4th term
= 2
In ascending order = -2, -1, 1, 2, 3, 5, 6 median = th term = 4th term = 2
In ascending order = -2, -1, 1, 2, 3, 5, 6 median = th term = 4th term = 2
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Q8. What is the primary function of a search engine?
Q8. 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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Q9. What is the difference between RAM and ROM?
Q9. 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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Q10. What is the basic unit of data storage in a computer?
Q10. What is the basic unit of data storage in a computer?
(A) Byte
(A) Byte
(A) Byte
(B) Bit
(B) Bit
(B) Bit
(C) Pixel
(C) Pixel
(C) Pixel
(D) Kilobyte
(D) Kilobyte
(D) Kilobyte
Answer: (B) Bit
Answer: (B) Bit
Answer: (B) Bit
A byte is the smallest unit of data storage in a computer. It consists of 8 bits. Bits are the individual units of data (either 0 or 1) that make up a byte.
A byte is the smallest unit of data storage in a computer. It consists of 8 bits. Bits are the individual units of data (either 0 or 1) that make up a byte.
A byte is the smallest unit of data storage in a computer. It consists of 8 bits. Bits are the individual units of data (either 0 or 1) that make up a byte.
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Related Questions
1. Who is the father of Computers?2. Which of the following punctuation marks is called ‘hyphen’?3. What is the primary function of RAM?4. If the sum of five consecutive numbers is 190, then the lowest number amongst them is5. How many prime numbers exist, which are less than 40?6. Which of the following is a common input device used in computers?7. What is the term for all positive and negative numbers as a whole including zero?8. What is the primary function of a CPU?9. What is the term used to describe the process of converting digital data into a format that can be transmitted over a network?10. Which computer language is the primary language for design website?11. What is the purpose of a cache memory in a CPU?12. Select the number pair in which the two numbers are related in the same way as 35 : 6.13. What does BIOS stands for in computer?14. Find the odd letters from the given below15. Which of the following punctuation marks is called ‘apostrophe’?16. Which of the following language does the computer understand?17. The sum of two numbers is 15 and the sum of their squares is 113. The numbers are18. Find the odd letters from the given below19. Which of the following is not an operating system for Computers?20. 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