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. Which of the following punctuation marks is called ‘apostrophe’?
Q1. Which of the following punctuation marks is called ‘apostrophe’?
(A) -
(A) -
(A) -
(B) /
(B) /
(B) /
(C) '
(C) '
(C) '
(D) :
(D) :
(D) :
Answer: (C) '
Answer: (C) '
Answer: (C) '
An apostrophe (') is a punctuation mark used to indicate possession, contractions, or omissions.
An apostrophe (') is a punctuation mark used to indicate possession, contractions, or omissions.
An apostrophe (') is a punctuation mark used to indicate possession, contractions, or omissions.
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Q2. Which of the following is not a type of computer code?
Q2. 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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Q3. If ROBOTICS is coded as OROBITSC, then PROJECTS would be coded as
Q3. If ROBOTICS is coded as OROBITSC, then PROJECTS would be coded as
(A) ROPEJTSC
(A) ROPEJTSC
(A) ROPEJTSC
(B) RPJOCEST
(B) RPJOCEST
(B) RPJOCEST
(C) RPJOECST
(C) RPJOECST
(C) RPJOECST
(D) ROJPCEST
(D) ROJPCEST
(D) ROJPCEST
Answer: (B) RPJOCEST
Answer: (B) RPJOCEST
Answer: (B) RPJOCEST
ROBOTICS :: PROJECTS
OROBITSC :: RPJOCEST
ROBOTICS :: PROJECTS OROBITSC :: RPJOCEST
ROBOTICS :: PROJECTS OROBITSC :: RPJOCEST
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Q4. What is the function of a computer's motherboard?
Q4. What is the function of a computer's motherboard?
(A) To store data
(A) To store data
(A) To store data
(B) To connect the CPU to other components
(B) To connect the CPU to other components
(B) To connect the CPU to other components
(C) To process instructions
(C) To process instructions
(C) To process instructions
(D) To display graphics
(D) To display graphics
(D) To display graphics
Answer: (B) To connect the CPU to other components
Answer: (B) To connect the CPU to other components
Answer: (B) To connect the CPU to other components
A computer's motherboard is the main circuit board that connects and powers all of the computer's internal components and allows them to communicate with each other. The motherboard is the central hub that connects all of the computer's hardware components, including the CPU, GPU, RAM, storage devices, and peripherals.
A computer's motherboard is the main circuit board that connects and powers all of the computer's internal components and allows them to communicate with each other. The motherboard is the central hub that connects all of the computer's hardware components, including the CPU, GPU, RAM, storage devices, and peripherals.
A computer's motherboard is the main circuit board that connects and powers all of the computer's internal components and allows them to communicate with each other. The motherboard is the central hub that connects all of the computer's hardware components, including the CPU, GPU, RAM, storage devices, and peripherals.
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Q5. 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 is
Q5. 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 is
(A) 48
(A) 48
(A) 48
(B) 36
(B) 36
(B) 36
(C) 39
(C) 39
(C) 39
(D) 30
(D) 30
(D) 30
Answer: (C) 39
Answer: (C) 39
Answer: (C) 39
39
39
39
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Q6. Which of the following is not a type of computer code?
Q6. 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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Q7. The product of two consecutive odd numbers is 19043. Which is the smaller number?
Q7. 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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Q8. The median of the sequence of numbers 2, – 1, 3, 1, – 2, 5, 6 is
Q8. 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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Q9. Which is called the brain of the computer?
Q9. Which is called the brain of the computer?
(A) Monitor
(A) Monitor
(A) Monitor
(B) RAM
(B) RAM
(B) RAM
(C) ROM
(C) ROM
(C) ROM
(D) CPU
(D) CPU
(D) CPU
Answer: (D) CPU
Answer: (D) CPU
Answer: (D) CPU
Central Processing Unit (CPU) or Processor..
The CPU is a microprocessor chip containing millions of tiny transistors. It's the CPU's job to perform the calculations necessary to make the computer work the transistors in the CPU manipulate the data.
Central Processing Unit (CPU) or Processor.. The CPU is a microprocessor chip containing millions of tiny transistors. It's the CPU's job to perform the calculations necessary to make the computer work the transistors in the CPU manipulate the data.
Central Processing Unit (CPU) or Processor.. The CPU is a microprocessor chip containing millions of tiny transistors. It's the CPU's job to perform the calculations necessary to make the computer work the transistors in the CPU manipulate the data.
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Q10. How does a computer's CPU process instructions?
Q10. How does a computer's CPU process instructions?
(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 executing instructions stored in memory
(C) By executing instructions stored in memory
(C) By executing instructions stored in memory
(D) By displaying graphics on the screen
(D) By displaying graphics on the screen
(D) By displaying graphics on the screen
Answer: (C) By executing instructions stored in memory
Answer: (C) By executing instructions stored in memory
Answer: (C) By executing instructions stored in memory
The CPU (Central Processing Unit) is the "brain" of the computer, responsible for executing instructions. It performs this task through a repetitive cycle: Fetch, Decode, Execute. This cycle repeats continuously, allowing the CPU to process a large number of instructions in a short period, enabling the computer to perform tasks and run programs.
The CPU (Central Processing Unit) is the "brain" of the computer, responsible for executing instructions. It performs this task through a repetitive cycle: Fetch, Decode, Execute. This cycle repeats continuously, allowing the CPU to process a large number of instructions in a short period, enabling the computer to perform tasks and run programs.
The CPU (Central Processing Unit) is the "brain" of the computer, responsible for executing instructions. It performs this task through a repetitive cycle: Fetch, Decode, Execute. This cycle repeats continuously, allowing the CPU to process a large number of instructions in a short period, enabling the computer to perform tasks and run programs.
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Related Questions
1. Which of the following is not an operating system for Computers?2. What is the purpose of a cache memory in a CPU?3. Describe the role of a graphics card in a computer.4. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers is5. What is the term for all positive and negative numbers as a whole including zero?6. Which of the following is the smallest unit of data in a computer?7. If the sum of five consecutive numbers is 190, then the lowest number amongst them is8. Which of the following is not a characteristic of a computer?9. What is the purpose of a firewall in a computer network?10. What is the term used to describe the process of converting data into a code that cannot be read or understood without a key?11. What is the difference between RAM and ROM?12. Which of the following is the correct abbreviation of COMPUTER?13. Two numbers are in the ratio 2 : 3 and the product of their HCF and LCM is 96. The sum of the two numbers is14. Which of the following monitor looks like a television and are normally used with non-portable computer systems?15. Which of the following is the brain of the computer?16. A word formed from the initial letters of other words.17. How does a computer's operating system manage hardware resources?18. Find the odd letters from the given below19. Which of the following is not a core language used for front-end web development?20. What is the primary function of a CPU?