Which of the following is a common input device used in computers? [#1482]
| « | ! | ! | » |
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.
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Related MCQ Quizzes
Q1. What does BIOS stands for in computer?
Q1. What does BIOS stands for in computer?
(A) Built In Ordered Setup
(A) Built In Ordered Setup
(A) Built In Ordered Setup
(B) Binary Into On Settings
(B) Binary Into On Settings
(B) Binary Into On Settings
(C) Basic Input output System
(C) Basic Input output System
(C) Basic Input output System
(D) Boot Internal Offset System
(D) Boot Internal Offset System
(D) Boot Internal Offset System
Answer: (C) Basic Input output System
Answer: (C) Basic Input output System
Answer: (C) Basic Input output System
Basic Input/output System
In computing, BIOS stands for Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS, is firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the booting process (power-on startup).
Basic Input/output System
In computing, BIOS stands for Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS, is firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the booting process (power-on startup).
In computing, BIOS stands for Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS, is firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the booting process (power-on startup).
Basic Input/output System
In computing, BIOS stands for Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS, is firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the booting process (power-on startup).
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q2. What is the primary function of a CPU?
Q2. 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.
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q3. From the following list identify the hardware component that can be used to transfer files from one computer to another.
Q3. From the following list identify the hardware component that can be used to transfer files from one computer to another.
(A) BIOS
(A) BIOS
(A) BIOS
(B) Hard Disk
(B) Hard Disk
(B) Hard Disk
(C) CPU
(C) CPU
(C) CPU
(D) USB Flash Drive
(D) USB Flash Drive
(D) USB Flash Drive
Answer: (D) USB Flash Drive
Answer: (D) USB Flash Drive
Answer: (D) USB Flash Drive
USB drives are commonly used for storage, data backup, and transferring files between devices. USB drives come in multiple storage capacities and different ports, each having a unique shape. Using a USB drive can differ depending on the type of computer that you want to connect to. A typical USB drive is removable, rewritable, and smaller than an optical disc.
USB drives are commonly used for storage, data backup, and transferring files between devices. USB drives come in multiple storage capacities and different ports, each having a unique shape. Using a USB drive can differ depending on the type of computer that you want to connect to. A typical USB drive is removable, rewritable, and smaller than an optical disc.
USB drives are commonly used for storage, data backup, and transferring files between devices. USB drives come in multiple storage capacities and different ports, each having a unique shape. Using a USB drive can differ depending on the type of computer that you want to connect to. A typical USB drive is removable, rewritable, and smaller than an optical disc.
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q4. What is the purpose of a firewall in a computer network?
Q4. What is the purpose of a firewall in a computer network?
(A) To increase internet speed
(A) To increase internet speed
(A) To increase internet speed
(B) To store data
(B) To store data
(B) To store data
(C) To protect against unauthorized access
(C) To protect against unauthorized access
(C) To protect against unauthorized access
(D) To provide wireless connectivity
(D) To provide wireless connectivity
(D) To provide wireless connectivity
Answer: (C) To protect against unauthorized access
Answer: (C) To protect against unauthorized access
Answer: (C) To protect against unauthorized access
A firewall is a security system that monitors and controls network traffic. It acts as a barrier between a trusted network (e.g., your home or office network) and an untrusted network (e.g., the internet). Firewalls help prevent unauthorized access to your network.
A firewall is a security system that monitors and controls network traffic. It acts as a barrier between a trusted network (e.g., your home or office network) and an untrusted network (e.g., the internet). Firewalls help prevent unauthorized access to your network.
A firewall is a security system that monitors and controls network traffic. It acts as a barrier between a trusted network (e.g., your home or office network) and an untrusted network (e.g., the internet). Firewalls help prevent unauthorized access to your network.
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q5. Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is
Q5. Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is
(A) 2 : 5
(A) 2 : 5
(A) 2 : 5
(B) 3 : 5
(B) 3 : 5
(B) 3 : 5
(C) 4 : 5
(C) 4 : 5
(C) 4 : 5
(D) 7 : 5
(D) 7 : 5
(D) 7 : 5
Answer: (C) 4 : 5
Answer: (C) 4 : 5
Answer: (C) 4 : 5
4 : 5
4 : 5
4 : 5
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q6. 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 be
Q6. 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 be
(A) q
(A) q
(A) q
(B) r
(B) r
(B) r
(C) qr
(C) qr
(C) qr
(D) pqr
(D) pqr
(D) pqr
Answer: (B) r
Answer: (B) r
Answer: (B) r
LCM will be r.
px= q and qy = r, hence r = pxy.
LCM will be r. px= q and qy = r, hence r = pxy.
LCM will be r. px= q and qy = r, hence r = pxy.
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
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
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q8. What is the term used to describe the process of converting data into a code that cannot be read or understood without a key?
Q8. What is the term used to describe the process of converting data into a code that cannot be read or understood without a key?
(A) Encoding
(A) Encoding
(A) Encoding
(B) Decoding
(B) Decoding
(B) Decoding
(C) Encrypting
(C) Encrypting
(C) Encrypting
(D) Decrypting
(D) Decrypting
(D) Decrypting
Answer: (C) Encrypting
Answer: (C) Encrypting
Answer: (C) Encrypting
Encrypting is the process of converting data into a code that cannot be read or understood without a key. This is done to protect sensitive information from unauthorized access.
Encrypting is the process of converting data into a code that cannot be read or understood without a key. This is done to protect sensitive information from unauthorized access.
Encrypting is the process of converting data into a code that cannot be read or understood without a key. This is done to protect sensitive information from unauthorized access.
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q9. What is the term for all positive and negative numbers as a whole including zero?
Q9. 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
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q10. Describe the role of a graphics card in a computer.
Q10. Describe the role of a graphics card in a computer.
(A) To store data permanently
(A) To store data permanently
(A) To store data permanently
(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 render graphics for display
(D) To render graphics for display
(D) To render graphics for display
Answer: (D) To render graphics for display
Answer: (D) To render graphics for display
Answer: (D) To render graphics for display
A graphics card, also known as a video card or GPU (Graphics Processing Unit), is a specialized piece of hardware within a computer system. Its primary function is to handle all the graphical processing tasks, transforming digital data into the images and visuals we see on our monitors.
A graphics card, also known as a video card or GPU (Graphics Processing Unit), is a specialized piece of hardware within a computer system. Its primary function is to handle all the graphical processing tasks, transforming digital data into the images and visuals we see on our monitors.
A graphics card, also known as a video card or GPU (Graphics Processing Unit), is a specialized piece of hardware within a computer system. Its primary function is to handle all the graphical processing tasks, transforming digital data into the images and visuals we see on our monitors.
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Related Questions
1. Which of the following words cannot be made using the letters of MENDICANT?2. Choose the correctly spelt word.3. Find the odd letters from the given below4. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is5. The sum of two numbers is 15 and the sum of their squares is 113. The numbers are6. Nipah is a7. How does a computer's operating system manage hardware resources?8. What is the primary function of RAM?9. What is the basic unit of data storage in a computer?10. 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 is11. The product of two consecutive odd numbers is 19043. Which is the smaller number?12. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is13. How does a computer's CPU process instructions?14. Which of the following is not a core language used for front-end web development?15. If the sum of five consecutive numbers is 190, then the lowest number amongst them is16. Which of the following punctuation marks is called ‘hyphen’?17. 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 is18. A word formed from the initial letters of other words.19. What is the purpose of a cache memory in a CPU?20. What is the smallest unit of data in a computer?