🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books

Input Devices Quiz 6 (10 MCQs)

This set of multiple-choice questions evaluates knowledge of input devices, including keyboards, function keys, and MICR technology for cheque processing. It covers the functionality of devices like OMR scanners, active badges, and camera input devices. The questions assess understanding of input methods, user interaction, and basic computer hardware.

Quiz Instructions

Select an option to see the correct answer instantly.

1. Who am I?I look like a typewriter. I am a ......

Correct Answer: Correct answer is: (B) Keyboard.

Exam Relevance: Computer Science Exams, IT Certification Exams, Basic Computing Exams

Difficulty: Easy

Concept notes: A keyboard is an input device that resembles a typewriter and is used to input data into a computer.

Common Mistakes: A common mistake is confusing the keyboard with other input devices like the mouse or CPU.

Explanations: A keyboard is designed to look and function similarly to a typewriter, allowing users to input text and commands into a computer. The other options (CPU, Mouse, Printer) do not fit the description of looking like a typewriter.

Option Analysis:

Option A: CPU is the central processing unit of a computer, not an input device that resembles a typewriter.
Option B: Keyboard is an input device that looks like a typewriter and is used to input data into a computer.
Option C: Mouse is an input device used for pointing and clicking, not resembling a typewriter.
Option D: Printer is an output device used to print documents, not an input device resembling a typewriter.

2. Keys, such as .....

Correct Answer: Correct answer is: (C) INSERT,DELETE, BACKSPACE.

Exam Relevance: Computer Science Exams, IT Certification Exams, Keyboard Skills Tests

Difficulty: Moderate

Concept notes: Keys such as INSERT, DELETE, and BACKSPACE are function keys on a keyboard that perform specific actions related to text manipulation and editing.

Common Mistakes: A common misunderstanding is that all keys listed in the options are function keys, but only INSERT, DELETE, and BACKSPACE are specifically related to text manipulation.

Explanations: INSERT, DELETE, and BACKSPACE are function keys that are commonly used for text manipulation. INSERT toggles between insert and overwrite modes, DELETE removes the character to the right of the cursor, and BACKSPACE removes the character to the left of the cursor. These keys are essential for editing text and are frequently used in various applications.

Option Analysis:

Option A: SPACEBAR, ENTER, and TAB are not specifically function keys for text manipulation. They serve other purposes like inserting spaces, starting new lines, and navigating between fields.
Option B: BACKSPACE is correct, but SHIFT and TAB are not specifically function keys for text manipulation. SHIFT is used for modifying other key presses, and TAB is used for navigation.
Option C: INSERT, DELETE, and BACKSPACE are all function keys used for text manipulation, making this the correct answer.
Option D: INSERT and TAB are not specifically function keys for text manipulation. CAPSLOCK is used to toggle between uppercase and lowercase letters.

3. Most common input devices are keyboard and pointing devices.

Correct Answer: Correct answer is: (A) True.

Exam Relevance: Computer Science Exams, IT Certification Exams, Basic Computing Skills Tests

Difficulty: Easy

Concept notes: Input devices are hardware components that allow users to interact with a computer system. The most common types of input devices are keyboards and pointing devices such as mice.

Common Mistakes: A common misunderstanding is that input devices are limited to only keyboards and mice, but there are many other types of input devices such as touchscreens, scanners, and microphones.

Explanations: The statement is true because keyboards and pointing devices are indeed the most commonly used input devices. Keyboards allow users to input text and commands, while pointing devices like mice enable users to navigate and interact with graphical user interfaces.

Option Analysis:

Option A: This option is correct because keyboards and pointing devices are the most frequently used input devices in everyday computing.
Option B: This option is incorrect because it contradicts the common usage of input devices in computing environments.

4. A microprocessor-controlled badge is called a(n) .....

Correct Answer: Correct answer is: (B) Active Badge.

Exam Relevance: Computer Science Exams, Information Technology Exams, Security Systems Exams

Difficulty: Moderate

Concept notes: An active badge is a microprocessor-controlled badge that can transmit information to a receiver. It is used for tracking and identifying individuals in a facility.

Common Mistakes: A common misunderstanding is that a passive badge also uses a microprocessor, but it does not. Passive badges rely on external power sources to function.

Explanations: An active badge is powered by an internal battery and contains a microprocessor that can transmit data. This makes it different from a passive badge, which does not have an internal power source or microprocessor. The microprocessor in an active badge allows it to perform more complex functions, such as transmitting location data or other information.

Option Analysis:

Option A: A passive badge does not contain a microprocessor and relies on external power sources to function. It is not microprocessor-controlled.
Option B: An active badge is microprocessor-controlled and can transmit information, making it the correct answer.
Option C: This option is incorrect because not all badges are active badges.
Option D: This option is incorrect because an active badge is a valid and specific type of badge.

Mnemonic: Active = Always Active, Powered, and Processed

5. Identify the input device used for reading marks on OMR sheets.

Correct Answer: Correct answer is: (A) OMR Scanner.

Exam Relevance: Computer Science Exams, Information Technology Exams, Competitive Exams

Difficulty: Easy

Concept notes: An OMR (Optical Mark Recognition) Scanner is an input device used to read marks on OMR sheets.

Common Mistakes: A common mistake is confusing the OMR Scanner with other input devices like barcode readers or MICR (Magnetic Ink Character Recognition) devices, which have different functions.

Explanations: The OMR Scanner is specifically designed to read marks made on OMR sheets, which are used in various applications such as multiple-choice tests, surveys, and forms. It detects the presence or absence of marks in predefined areas and converts this information into digital data.

Option Analysis:

Option A: Correct. An OMR Scanner is the device used to read marks on OMR sheets.
Option B: Incorrect. A Barcode Reader is used to read barcodes, not marks on OMR sheets.
Option C: Incorrect. MICR is used to read magnetic ink characters, typically in banking and financial documents, not marks on OMR sheets.
Option D: Incorrect. A Printer is an output device, not an input device, and is used to print documents, not to read marks.

6. What device is required to capture sound from the real world?

Correct Answer: Correct answer is: (B) Microphone.

Exam Relevance: Computer Science Exams, IT Certification Exams, Basic Electronics Exams

Difficulty: Easy

Concept notes: A microphone is an input device that converts sound waves into electrical signals, which can then be processed by a computer or other audio equipment.

Common Mistakes: A common mistake is to confuse a microphone with a speaker, which is an output device that converts electrical signals back into sound waves.

Explanations: A microphone is the device required to capture sound from the real world. It converts sound waves into electrical signals that can be processed by a computer or other audio equipment. This makes it an essential input device for recording audio.

Option Analysis:

Option A: A speaker is an output device that converts electrical signals into sound waves, not an input device.
Option B: A microphone is the correct input device for capturing sound from the real world.
Option C: A printer is an output device that produces a physical copy of a document or image, not an input device.
Option D: A keyboard is an input device for typing text and commands, not for capturing sound.

Mnemonic: Mic for sound, not for sound out.

7. What is the role of the camera in smartphones and tablets?

Correct Answer: Correct answer is: (A) To capture pictures and videos.

Exam Relevance: Computer Science Exams, IT Certification Exams, General Knowledge Exams

Difficulty: Easy

Concept notes: The camera in smartphones and tablets is an input device that captures visual data in the form of pictures and videos.

Common Mistakes: A common misunderstanding is that the camera is primarily used for other functions like making phone calls or browsing the internet, which are not its primary role.

Explanations: The camera in smartphones and tablets is designed to capture visual data, which includes taking pictures and recording videos. This aligns with the primary function of an input device, which is to capture and input data into the device for processing and storage.

Option Analysis:

Option A: Correct. The camera is used to capture pictures and videos.
Option B: Incorrect. Playing games is a function of the device's software and not the camera's role.
Option C: Incorrect. Making phone calls is a function of the device's communication hardware and not the camera's role.
Option D: Incorrect. Browsing the internet is a function of the device's web browser and not the camera's role.

8. A device for converting handwritten impressions into coded characters& positional coordinates for input to a computer is

Correct Answer: Correct answer is: (D) Writing tablet.

Exam Relevance: Computer Science Exams, IT Certification Exams, Engineering Exams

Difficulty: Moderate

Concept notes: A writing tablet is an input device designed to convert handwritten impressions into coded characters and positional coordinates for input to a computer.

Common Mistakes: A common misunderstanding is that a touch panel or mouse can perform the same function as a writing tablet. However, these devices do not specifically convert handwritten impressions into coded characters and positional coordinates.

Explanations: A writing tablet is specifically designed to capture handwritten input and convert it into digital data that can be processed by a computer. This includes both the characters written and their positional coordinates on the tablet. Other devices like touch panels, mice, and wands do not have this specific functionality.

Option Analysis:

Option A: A touch panel is an input device that allows users to interact with a computer by touching the screen, but it does not specifically convert handwritten impressions into coded characters and positional coordinates.
Option B: A mouse is a pointing device used to control a cursor on a computer screen, but it does not convert handwritten impressions into coded characters and positional coordinates.
Option C: A wand is a pointing device used in some specialized applications, but it does not convert handwritten impressions into coded characters and positional coordinates.
Option D: A writing tablet is specifically designed to convert handwritten impressions into coded characters and positional coordinates for input to a computer.

Mnemonic: Write Tab, Code Coord

9. Which of the following input device is used in Banks to read magnetised characters on a Cheque?

Correct Answer: Correct answer is: (A) MICR.

Exam Relevance: Banking exams, Computer Science exams, Information Technology exams

Difficulty: Easy

Concept notes: Magnetic Ink Character Recognition (MICR) is a technology used to read characters printed with magnetic ink. It is commonly used in banks to read the numbers and other information printed on the bottom of cheques.

Common Mistakes: A common misunderstanding is that other input devices like bar code readers or magnetic stripe readers are used for reading cheques. However, these devices are used for different purposes and do not read the specific magnetic ink used on cheques.

Explanations: MICR is specifically designed to read the magnetic ink used on cheques, which allows for accurate and fast processing of financial documents. The other options, such as bar code readers and magnetic stripe readers, are used for different types of data and are not suitable for reading the magnetic ink on cheques.

Option Analysis:

Option A: MICR is the correct answer as it is specifically designed to read the magnetic ink on cheques.
Option B: Bar code readers are used to read bar codes, not magnetic ink on cheques.
Option C: Magnetic stripe readers are used to read magnetic stripes on cards, not the magnetic ink on cheques.
Option D: This option is incorrect because only MICR is used for reading the magnetic ink on cheques.

10. Which one of the following input device is user-programmable?

Correct Answer: Correct answer is: (D) Intelligent terminal.

Exam Relevance: Computer Science Exams, IT Certification Exams, Engineering Exams

Difficulty: Moderate

Concept notes: Intelligent terminals are user-programmable input devices that can perform various tasks and computations independently of the host computer. They have built-in processing capabilities and can be programmed to handle specific tasks.

Common Mistakes: A common misunderstanding is that all terminals are the same. However, intelligent terminals differ from dumb terminals, smart terminals, and VDTs in their ability to be user-programmable and perform independent processing.

Explanations: Intelligent terminals are user-programmable because they have built-in processing capabilities and can be programmed to handle specific tasks. This makes them distinct from other types of terminals, such as dumb terminals, which lack processing capabilities and rely entirely on the host computer for processing.

Option Analysis:

Option A: Dumb terminals are not user-programmable and rely entirely on the host computer for processing.
Option B: Smart terminals have some processing capabilities but are not typically user-programmable.
Option C: VDT (Video Display Terminal) is a type of terminal that primarily functions as a display device and is not user-programmable.
Option D: Intelligent terminals are user-programmable and can perform independent processing.

Frequently Asked Questions

What is an input device?

An input device is any hardware component that allows data to be entered into a computer system for processing. Examples include keyboards, mice, and scanners.

How does MICR technology work in cheque processing?

MICR (Magnetic Ink Character Recognition) technology uses a special ink and font to print coded characters on cheques. These characters can be read by a magnetic reader, which then processes the cheque information.

What is the primary function of an OMR scanner?

An OMR (Optical Mark Recognition) scanner is used to read filled-in bubbles or marks on forms, such as multiple-choice test sheets. It converts these marks into digital data for further processing.

How do active badges assist in tracking and identification?

Active badges, such as microprocessor-controlled badges, emit signals that can be detected by receivers to track the location and identity of individuals in a facility, aiding in security and management.

What are some common operations performed using a keyboard?

Keyboard operations include typing text, navigating through documents, and using function keys to perform specific tasks. Keyboards are essential for text manipulation and data entry.

🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books