Computer Knowledge
Computer Hardware Devices
1,004 Questions
Computer Hardware Devices focuses on the physical components of a computer system, including input, output, and memory devices. It tests practical understanding of ports, displays, and peripheral technologies. This topic is common in the computer knowledge section of banking and SSC exams.
Input output devicesMonitor settingsComputer portsAssistive technologyHardware components
Computer Hardware Devices Questions
Which of the following is a screen reader that can be used to read text aloud for people with visual impairments?
-
JAWS
-
NVDA
-
VoiceOver
-
All of the above
D
Correct answer
Explanation
JAWS, NVDA, and VoiceOver are all popular screen readers that can be used to read text aloud for people with visual impairments.
What is the term for a device that can be used to convert speech into text?
-
Speech-to-text converter
-
Voice recognition software
-
Dictation software
-
All of the above
D
Correct answer
Explanation
Speech-to-text converter, voice recognition software, and dictation software are all terms for a device that can be used to convert speech into text.
Which of the following is a type of assistive technology that can be used to help people with physical disabilities use a computer?
-
Adaptive keyboard
-
Adaptive mouse
-
Trackball
-
All of the above
D
Correct answer
Explanation
Adaptive keyboards, adaptive mice, and trackballs are all types of assistive technology that can be used to help people with physical disabilities use a computer.
Which of the following is a type of assistive technology that can be used to help people with dyslexia read and write?
-
Text-to-speech software
-
Speech-to-text software
-
Word prediction software
-
All of the above
D
Correct answer
Explanation
Text-to-speech software, speech-to-text software, and word prediction software are all types of assistive technology that can be used to help people with dyslexia read and write.
Which accessory is used to transfer images from the camera to a computer?
-
USB cable
-
Memory card reader
-
Wi-Fi adapter
-
Bluetooth adapter
A
Correct answer
Explanation
USB cables are commonly used to transfer images from the camera to a computer for editing and storage.
Which of the following is an input device?
-
Monitor
-
Keyboard
-
Printer
-
Speakers
B
Correct answer
Explanation
A keyboard is an input device used to enter data and commands into a computer system.
What is the primary function of a mouse?
-
Displaying information
-
Printing documents
-
Controlling the cursor on a screen
-
Scanning documents
C
Correct answer
Explanation
A mouse is an input device primarily used to control the movement of the cursor on a computer screen.
Which of the following is an example of an output device?
-
Microphone
-
Webcam
-
Projector
-
Scanner
C
Correct answer
Explanation
A projector is an output device used to display images or videos onto a surface.
Which of the following is a type of touch-sensitive input device?
-
Joystick
-
Trackball
-
Touchpad
-
Gamepad
C
Correct answer
Explanation
A touchpad is a touch-sensitive input device commonly found on laptops and some desktop computers.
What is the function of a scanner?
-
Displaying images
-
Playing audio
-
Converting physical documents into digital format
-
Storing data
C
Correct answer
Explanation
A scanner is an input device used to convert physical documents, such as text or images, into digital format.
Which of the following is an example of a pointing device?
-
Keyboard
-
Microphone
-
Mouse
-
Printer
C
Correct answer
Explanation
A mouse is a pointing device used to control the cursor on a computer screen.
Which of the following is an example of an audio output device?
-
Keyboard
-
Monitor
-
Speakers
-
Webcam
C
Correct answer
Explanation
Speakers are audio output devices used to produce sound.
What is the primary function of a graphics tablet?
-
Capturing audio
-
Displaying information
-
Creating digital drawings or images
-
Scanning documents
C
Correct answer
Explanation
A graphics tablet is an input device used to create digital drawings or images.
Which of the following is an example of a multi-function device?
-
Keyboard
-
Mouse
-
All-in-one printer
-
Speakers
C
Correct answer
Explanation
An all-in-one printer is a multi-function device that combines the functions of a printer, scanner, and copier.
GPUs are particularly well-suited for high-frequency trading due to their:
-
High memory bandwidth
-
Large number of cores
-
Low power consumption
-
All of the above
D
Correct answer
Explanation
GPUs offer high memory bandwidth, a large number of cores, and low power consumption, making them ideal for the demanding computational requirements of high-frequency trading.