Hardware MCQs

Correct Answer: Clock

The system clock is the component that synchronizes operations within the computer.

Correct Answer: Capacitive

Capacitive touchscreens are the standard technology used to support multi-touch capabilities.

Correct Answer: Gigahertz

Clock speed, which indicates how fast a CPU can execute instructions, is measured in Gigahertz (GHz).

Correct Answer: Improve storage performance

Redundant Array of Independent Disks (RAID) technology is used to increase data reliability and/or improve performance by combining multiple physical drives.

Correct Answer: Storage performance

RAID is used to improve data storage performance and/or provide data redundancy.

Correct Answer: Network interface card

An Ethernet card is a type of Network Interface Card (NIC) that connects a computer to a wired network.

Correct Answer: Data

Computer ports serve as interface points that allow for the input and output of data between the computer and external devices.

Correct Answer: IPS

IPS (In-Plane Switching) is a display technology for liquid crystal displays that offers superior color reproduction and viewing angles compared to standard LCDs.

Correct Answer: Modem

The correct answer is Modem, as asked in this question on Hardware.

Correct Answer: Input

The correct answer is Input, as asked in this question on Hardware.

Correct Answer: Resolution

The correct answer is Resolution, as asked in this question on Hardware.

Correct Answer: Micro Computers (PCs)

The correct answer is Micro Computers (PCs), as asked in this question on Hardware.

Correct Answer: Touch Screen

The correct answer is Touch Screen, as asked in this question on Hardware.

Correct Answer: PSU

The Power Supply Unit (PSU) converts mains AC into low-voltage regulated DC power for the components of a computer.

Correct Answer: F5, F6, F7

Function keys are the keys labeled F1 through F12 on a standard computer keyboard.

Correct Answer: INF

INF (Information) files are standard setup files used by Windows to provide installation instructions for device drivers, including graphics card hardware.

Correct Answer: Inkjet sprays liquid ink and laser uses toner and laser technology

Inkjet printers use liquid ink, whereas laser printers use toner powder and laser technology to fuse text to paper.

Correct Answer: Silicon

Silicon is a semiconductor material widely used in the manufacturing of transistors and microchips.

Correct Answer: HDD used magnetic storage, SSD used flash memory

Hard Disk Drives (HDD) use spinning magnetic platters, while Solid State Drives (SSD) use flash memory.

Correct Answer: Control Unit and Arithmetic Logic Unit

The CPU consists primarily of the Control Unit (CU) and the Arithmetic Logic Unit (ALU).

Correct Answer: Multiprocessor

A multiprocessor system is a computer system that uses two or more central processing units within a single computer system.

Correct Answer: BIOS

BIOS (Basic Input/Output System) is firmware used to perform hardware initialization during the booting process.

Correct Answer: Microprocessor

A microprocessor is a central processing unit (CPU) contained on a single silicon chip, responsible for performing data processing.

Correct Answer: Intel

Intel is a manufacturer of computer processors (CPUs), not a brand of computers.

Correct Answer: CPU

The Central Processing Unit (CPU) is considered the brain of the computer because it performs most of the processing inside the machine.

Correct Answer: Hard Copy Terminal

A terminal that produces a paper printout of the output is referred to as a hard copy terminal.

Correct Answer: Plotter

A plotter is a specialized output device used for printing large-scale technical drawings, maps, and architectural blueprints.

Correct Answer: Inkjet Printer

Inkjet printers operate by propelling tiny droplets of ink onto paper via small nozzles in the print head.

Correct Answer: HDMI

HDMI (High-Definition Multimedia Interface) is a standard cable used to transmit video and audio data to display devices like monitors.

Correct Answer: Silicon

Silicon is the primary semiconductor material used in the manufacturing of computer processor chips.

Correct Answer: Interrupt

An interrupt is a signal sent to the CPU by a hardware or software component indicating that an event needs immediate attention.

Correct Answer: CPU

The Central Processing Unit (CPU) executes instructions and acts as the brain of the computer.

Correct Answer: Hardware

Computer hardware refers to all the physical, tangible components and devices that make up a computer system.

Correct Answer: CPU

The Central Processing Unit (CPU) is known as the brain of the computer because it performs most of the processing inside the machine.

Correct Answer: All of these

A keyboard is an input device used to enter alphabets, numbers, characters, and other symbols into a computer.

Correct Answer: Output

A headphone is an output device as it receives data from a computer or audio player and converts it into sound waves.

Correct Answer: Keyboard

A numeric pad is a cluster of number keys typically found on the right side of a computer keyboard.

Correct Answer: Electrically Erasable Programmable Read-Only Memory

EEPROM is a type of non-volatile memory used in computers to store small amounts of data that must be saved when power is removed.

Correct Answer: Stationary

A trackball is a stationary pointing device with a ball that the user rotates to move the cursor.

Correct Answer: All of these

Flash disks, hard disks, and DVDs are all classified as non-volatile storage mediums, meaning they retain data permanently without power.

Correct Answer: System unit

The system unit (or chassis/tower) is the physical enclosure that houses the motherboard, CPU, RAM, and other primary components of a computer.

Correct Answer: Large-Scale Integration

LSI stands for Large-Scale Integration, a process used to place thousands of transistors onto a single microchip.

Correct Answer: Transistor

A transistor acts as an amplifier to boost an electronic signal without distorting its original form.

Correct Answer: Motherboard

The motherboard serves as the main circuit board, allowing all peripheral devices and internal components to communicate.

Correct Answer: IBM

The first commercial hard disk drive was introduced by IBM in 1956 as part of the RAMAC 305 system.

Correct Answer: Modifier

Ctrl, Shift, and Alt are modifier keys because they modify the normal action of another key when pressed together.

Correct Answer: LASER

Optical storage media like CDs use highly focused laser beams to read and write digital data on the disk surface.

Correct Answer: 8

A byte is a unit of digital information that typically consists of 8 bits.

Correct Answer: Soft copy

Output displayed on a screen or stored digitally is referred to as soft copy, while printed output is a hard copy.

Correct Answer: RAM

Random Access Memory (RAM) is volatile, meaning it is temporary memory that loses its contents when power is turned off.

Correct Answer: Stationary

Unlike a mouse, which requires moving the device across a surface, a trackball is stationary, and the user rotates the ball itself to move the cursor.

Correct Answer: Front of the device

For most desktop and laptop computers, the power button is conveniently placed on the front or the top-front for easy access.

Correct Answer: Keyboard

A keyboard is a primary input device used to enter data into a computer system.

Correct Answer: It will erase the previous content

Writing new data to a specific memory address overwrites and effectively erases the existing data at that location.

Correct Answer: 9

A 9-track magnetic tape drive uses a read/write head array that includes one head for each track, totaling 9.

Correct Answer: Scanner

A scanner is an input device that digitizes physical documents, whereas printers, monitors, and speakers are output devices.

Correct Answer: Continuous electrical pulses

Analog computers operate by processing continuous physical variables, such as electrical voltage or pulses.

Correct Answer: Motherboard

The motherboard acts as the main circuit board that connects and allows communication between the CPU, RAM, and other peripherals.

Correct Answer: Magnetic tape

Magnetic tape is typically the cheapest form of secondary storage when compared to flash drives or disks.

Correct Answer: Sound card and speakers

A sound card processes the audio signal, and speakers convert the signal into sound for the user to hear.

Correct Answer: Printer

A printer converts electronic data into a hard copy physical format, making it an output device.

Correct Answer: low-powered laser

Optical discs, such as CDs and DVDs, use low-power laser beams to read data encoded in microscopic pits on the disc's surface.

Correct Answer: Desktop computer

Desktop computers are designed for a fixed location and rely on external monitors and persistent power connections, unlike truly portable devices.

Correct Answer: Hardcopy

A printed physical version of a document is referred to as a hardcopy, distinguishing it from an electronic soft copy.

Correct Answer: Optical Input Device

A light pen is a light-sensitive computer input device, essentially an optical reader, used in conjunction with a computer's CRT display.

Correct Answer: heart

The microprocessor (CPU) is often metaphorically referred to as the 'brain' or 'heart' of the computer, processing instructions and controlling operations.

Correct Answer: Printer

A dot-matrix printer is an impact printer that produces characters and illustrations by striking pins against an ink ribbon.

Correct Answer: Disk

A magnetic disk or optical disk is a circular hardware component used to persistently store digital data.

Correct Answer: Motherboard

The motherboard is the primary printed circuit board inside a computer that connects and facilitates communication between all hardware components.

Correct Answer: Fast and expensive

Primary storage (RAM) provides extremely fast access times for the CPU but is significantly more expensive per gigabyte than secondary storage.

Correct Answer: Basic Input Output System

BIOS is firmware used to perform hardware initialization during the booting process and provide runtime services for operating systems.

Correct Answer: Random Access Memory

RAM is a form of primary computer memory that can be read and changed in any order, typically used to store working data and machine code.

Correct Answer: ROM

Read-Only Memory (ROM) is non-volatile memory used in computers to permanently store firmware and fundamental system data.

Correct Answer: Read-Write Memory

Random Access Memory (RAM) allows data to be both read from and written to, distinguishing it from Read-Only Memory (ROM).

Correct Answer: Keyboard

A keyboard is primarily an input device used to enter text and commands into the computer.

Correct Answer: Random Access

Random Access allows a storage medium to quickly jump to any piece of data directly, without having to read through everything sequentially.

Correct Answer: Scanner

A scanner is a digital input device that optically reads physical documents and converts them into digital image files.

Correct Answer: RAM

Main Memory directly refers to the system's Random Access Memory (RAM), which acts as the volatile, immediate workspace for the CPU.

Correct Answer: Time to spin the needed data under head

In computing, disk latency time is the time it takes for a hard drive platter to spin the required data sector under the read/write head.

Correct Answer: CPU

The Central Processing Unit (CPU) is the primary component of a computer that processes and executes instructions.

Correct Answer: Power supply

The Power Supply Unit (PSU) converts mains AC to low-voltage regulated DC power for internal computer components.

Correct Answer: ROM

Read-Only Memory (ROM) contains permanent instructions (like BIOS) that cannot be easily modified or erased.

Correct Answer: All of these

Floppy disks, hard disks, and CDs are all types of storage media that can be used for data backup.

Correct Answer: Scanner

A scanner digitizes physical images or documents into digital data, making it an input device.

Correct Answer: Modulator and Demodulator

A modem is a hardware component that allows a computer to connect to the internet, acting as both a modulator and a demodulator of signals.

Correct Answer: CPU

The processor is primarily referred to as the Central Processing Unit (CPU), which serves as the brain of the computer.

Correct Answer: Graphics

A graphics card (or GPU) is essential for rendering the complex 2D and 3D imagery required by video games.

Correct Answer: Laptops

Flat-panel displays are thin and lightweight screens, making them standard for portable devices like laptops.

Correct Answer: CPU

The Central Processing Unit (CPU) is known as the brain of the computer because it handles all instructions and calculations.

Correct Answer: Input optical device

A light pen is a light-sensitive computer input device, essentially a stylus, used to select or modify items on a screen.

Correct Answer: Hardware

Computer hardware includes all the physical, tangible components of a system, such as the motherboard, CPU, and RAM.

Correct Answer: Hardware

Computer hardware refers to the physical, tangible components of a computer, such as the motherboard, CPU, and monitor.

Correct Answer: Motherboard

The motherboard is the main printed circuit board that connects all physical components of a computer.

Correct Answer: Optical storage

CDs, DVDs, and Blu-ray discs are examples of optical storage, which use laser beams to read and write data.

Correct Answer: Temporary, Permanent

Computer memory (RAM) holds temporary, volatile data while powered on, whereas storage (HDD/SSD) holds permanent, non-volatile data.

Correct Answer: CPU

The Central Processing Unit (CPU) is often called the brain of the computer because it processes most of the instructions and data.

Correct Answer: To transfer data

The Control Unit directs the operation of the processor, actively managing and transferring data flow between the CPU, memory, and peripherals.

Correct Answer: Both circular tracks and sectors

The magnetic surface of a floppy disk is logically divided into concentric rings called tracks, which are further divided into wedges called sectors.

Correct Answer: None of these

None of the provided options accurately describe a single component that both prints documents (printer) and stores software (storage drive).

Correct Answer: None of these

BIOS (Basic Input/Output System) is technically firmware. It is hardcoded into the motherboard and initializes hardware before handing over to the OS.