Computer Knowledge
Computer Hardware Devices
893 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
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Apple Macintosh
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Adobe
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EMC
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TCS
A
Correct answer
Explanation
Apple's 'Think Different' campaign, launched in 1997, is one of the most famous advertising campaigns in history. It was created by TBWA\Chiat\Day and featured iconic figures like Einstein and Gandhi.
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Compact Disc
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Hard Drive
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Touch Screen
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PDA
A
Correct answer
Explanation
The Compact Disc was co-developed by Philips and Sony, with key contributions from Philips engineers including Kees Immink and Lou Ottens. The CD was introduced in 1982 and revolutionized digital audio storage.
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Always ON
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Virtual Keyboard
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Virtual Screen
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Wireless Charging Technology
D
Correct answer
Explanation
The Latitude Z business laptop featured wireless charging technology as an innovative feature. This was a notable advancement when the laptop was released, allowing cable-free charging. The other options (Always ON, Virtual Keyboard, Virtual Screen) are not correct identifying features of this model.
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A pointer mouse
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The unit of mouse movement
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A wireless mouse
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The unit of mouse sensitivity
B
Correct answer
Explanation
A mickey is indeed the unit of measurement for mouse movement in computing. It represents the smallest increment of movement that a mouse can detect and report to the computer. Option D is incorrect as it refers to sensitivity (which is measured differently), while option A describes a mouse pointer and C describes a wireless mouse, not the unit itself.
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10-15%
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5 - 10%
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20-30%
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As Monitor consumes 80% of the total power used by PC so it is a good practice to switch off monitor everytime when not in use. This can also be achieved 100%.
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Wire Stripper
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Bug Kill
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Multimeter
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Soldering Iron
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Crimper
C
Correct answer
Explanation
A multimeter is used to troubleshoot computers by measuring voltage, current, and resistance. Wire strippers, bug killers, soldering irons, and crimpers are tools but not primarily for troubleshooting computer electrical issues.
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La caméra
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Le cable
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Le courriel
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Le clavier
D
Correct answer
Explanation
The French word for keyboard is "le clavier." "La caméra" means camera, "le cable" is cable, and "le courriel" is email - this is a direct vocabulary translation question.
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L'ordinateur de bureau
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La souris
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Le clavier
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L'ordinateur portable
D
Correct answer
Explanation
L'ordinateur portable is the French term for laptop computer. The word 'portable' means portable or mobile, while 'ordinateur' means computer. 'De bureau' means desktop, 'souris' means mouse, and 'clavier' means keyboard - these are all computer peripherals or different types of computers.
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La souris
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Le micro
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L'ordinateur de bureau
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La caméra
A
Correct answer
Explanation
La souris is the French word for mouse (the computer input device). 'Le micro' refers to a microphone, 'la caméra' is camera, and 'l'ordinateur de bureau' is desktop computer.
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Online Key board
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Web Cam Chating
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Chatting
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Mouse
D
Correct answer
Explanation
Douglas Engelbart invented the computer mouse in 1964, revolutionizing human-computer interaction by making graphical interfaces practical. This input device became essential for personal computing, enabling users to point and click rather than rely solely on keyboard commands.
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mouse
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keyboard
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RAM
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Pen drive
C
Correct answer
Explanation
Mouse, keyboard, and pen drive are all external peripheral devices that connect to a computer. RAM is internal memory hardware installed inside the computer motherboard, making it the odd one out as it's not an external peripheral.
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Video Audio Integration
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Video Audio Integration Operation
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Visual Audio Integration Operation
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None of these
B
Correct answer
Explanation
VAIO stands for Video Audio Integration Operation. Sony's VAIO brand represented the integration of audio and video capabilities, and the logo even features an analog wave symbol and the binary digits 1 and 0.
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Mechanical
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Optical
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Motorized
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Optical-Mechanical
C
Correct answer
Explanation
Common mouse technologies include Mechanical, Optical, and Optical-Mechanical. These are real technologies used in computer mice. 'Motorized' is not a standard mouse technology category - mice use optical sensors or mechanical balls, not motors.
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QWERTY
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Maltron
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Sholes
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Dvorak
C
Correct answer
Explanation
The question asks which is NOT a keyboard layout. QWERTY, Dvorak, and Maltron are all actual keyboard layouts. 'Sholes' refers to Christopher Latham Sholes who invented the QWERTY keyboard, but it's not a keyboard layout itself. Sholes is the inventor's name, not a layout.
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Attitude indicator
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VOR
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Turn Coordinator
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Turn and Bank Indicator
C
Correct answer
Explanation
The 'step on the ball' mnemonic refers to the Turn Coordinator - if the ball is off-center, 'step' on the rudder pedal on the same side as the ball to center it. This helps pilots remember proper coordination during turns. Option C is correct.