ITPEC IT Passport Computer Component Questions with Answers

Computer Component

49 questions · IT Passport

Apr 2026 · Question 10

Which of the following is software that mediates between a device connected to a PC and an OS or an application software, and that controls and operates the device?

a)Archiverb)Installerc)Device driverd)Middleware

Apr 2026 · Question 11

Which of the following is an appropriate description concerning the cache memory of a CPU?

a)The size of cache memory is greater than or equal to the size of main memory.b)Cache memory is used to reduce the effective access time of main memory.c)On computers with a large main memory, there is no effect of cache memory.d)In order to increase the hit rate, the user specifies the frequently used programs to be resident in cache memory.

Apr 2026 · Question 12

Concerning a processor, which of the following is the appropriate combination of terms or phrases to be inserted into blanks A and B in the description below?

A A is a processor that was developed for B. It is often embedded in a CPU, but in the case of more advanced B processing, an extension board equipped with a high-performance A is sometimes used.

a)GPUencryptionb)GPUgraphicsc)VGAencryptiond)VGAgraphics

Apr 2026 · Question 19

Which of the following is an appropriate description about the function keys of a PC?

a)They are the keys where specific functions are assigned for each application and OS.b)They display a keyboard shape on a screen and enable input processing with software.c)They have a security role and are keys for performing encryption and decryption.d)They are information to uniquely identify a specific row in a database.

Apr 2026 · Question 23

Which of the following is the description of a 3D printer?

a)It prints an image with a 3D effect on a flat surface.b)It uses three-dimensional data to form a stereoscopic (three-dimensional) object.c)It prints an image on a curved surface, etc. of a stereoscopic object.d)It uses a laser to display a stereoscopic image in space.

Apr 2025 · Question 10

Which of the following is an appropriate combination of words that are inserted into A and B in the description below concerning the execution sequence of instructions in a computer?

In a computer, the instructions are executed in the sequence shown below.

(1)Refer to the program counter. (2)A the instruction. (3)Set the program counter to the main memory address of the next instruction. (4)B the instruction. (5)Execute processing according to the instruction. (6)Return to (1).

a)DecodeReadb)ReadDecodec)ReadWrited)WriteDecode

Apr 2025 · Question 11

Which of the following is an appropriate description concerning the primary and secondary cache memory that a CPU is equipped with?

a)The primary cache memory has larger capacity than the secondary cache memory.b)The secondary cache memory is slower than the main memory in writing and reading.c)When the CPU reads data, it first accesses the primary cache memory, and then it accesses the secondary cache memory if the data is not available.d)All of the data that is required for a process needs to be present on the primary or secondary cache memory when a program starts.

Apr 2025 · Question 12

Which of the following is a type of device that is also used as a memory device in IoT devices, and has a lower power consumption and higher impact resistance than an HDD as it has memory media that is made of semiconductors and does not have any moving components?

a)DRMb)DVDc)HDMId)SSD

Apr 2025 · Question 13

Which of the following is the appropriate description concerning the performance of a CPU?

a)Between a 32-bit CPU and a 64-bit CPU, the length of data that a 64-bit CPU can process at once can be greater.b)The smaller the amount of cache memory in a CPU, the higher the processing speed of the CPU.c)In CPUs with the same structure, when the clock frequency is decreased, the processing speed increases.d)Between a dual core CPU and a quad core CPU, a dual core CPU can execute a greater number of processes simultaneously.

Oct 2025 · Question 10

Which of the following is designed to virtually reduce the time for the CPU to access the main memory, in order to improve the processing efficiency of a PC?

a)SSDb)Virtual memoryc)Cache memoryd)Defragmentation

Oct 2025 · Question 11

Which of the following is the most appropriate description concerning a compatible CPU?

a)It can run the same OS or the application software that can be run on the original CPU.b)It must not be developed nor manufactured as long as the patents of the original CPU are valid.c)A compatible CPU for single-core CPU has been developed, while one for multi-core CPU does not exist.d)It is a CPU that is intended to improve the performance of an outdated PC, and is not adopted for a new model of PC.

Oct 2025 · Question 12

In the description below concerning the connection between a PC and a peripheral device, which of the following is the appropriate combination of words to be inserted into blanks A and B?

The connection of a new peripheral device to a PC requires (a) A, but if a peripheral device that supports B function is connected, the A is installed automatically and the device can be used.

a)device driverplug and playb)device driverpluginc)malwareplug and playd)malwareplugin

Oct 2025 · Question 23

Which of the following is the appropriate role of OCR?

a)Performing wireless communication between devices that are close together at a distance of approximately 10cmb)Recognizing printed and handwritten characters, and transforming them to text datac)Creating an artificial voice through digital signal processingd)Detecting the position on a panel that was touched by a user’s fingertip, etc.

Oct 2025 · Question 75

Which of the following is the case example where Bluetooth is used as a standard protocol of wireless communications for cellular phones, household electric appliances, or such other devices?

a)Connecting two controllers to one home video game console without any cablesb)Receiving signals from some GPS satellites into a car navigation systemc)Reading a QR code by using a cellular phoned)Reading the information or data on an IC card ticket at an automatic ticket gate

Apr 2024 · Question 10

Which of the following is the unique value that is sequentially assigned to a memory location in order to identify the location of instructions or data stored in the main memory of a computer?

a)Addressb)Counterc)Indexd)Pointer

Apr 2024 · Question 11

Which of the following is an appropriate explanation of HDMI?

a)It is an interface for an AV device that handles the input and output of video, audio, and control signals through a single cable.b)It is an interface that makes use of the infrared rays used in the exchange of information between cell phones.c)It is a serial interface that connects an external hard disk or such other devices through a cable.d)It is a wireless interface that makes use of radio waves and can perform communication even when there is a slight shielding.

Apr 2024 · Question 12

Which of the following is an appropriate explanation of GPU?

a)It is an index that shows the throughput of a CPU in terms of how many billions of instructions it can execute per second.b)It is a frequency signal that synchronizes the arithmetic processing of CPUs.c)It is a storage unit that is placed between a CPU and a main memory, and has a higher reading and writing speed than the main memory.d)It is a processing unit that is used instead of a CPU to accelerate processing such as image processing for 3D graphics.

Apr 2024 · Question 88

A company wishes to create digital files from paper documents and paper blueprints, and make these available company-wide. Which of the following is appropriate equipment to be used?

a)GPS receiverb)Scannerc)Digitizerd)Plotter

Oct 2024 · Question 12

Which of the following is an appropriate description concerning a device driver that enables the use of peripheral devices with a PC?

a)When a hard disk drive is initialized and the operating system is reinstalled, it is necessary to reinstall device drivers that were installed separately to the operating system.b)When new application software is installed, it is necessary to reinstall all device drivers that this software uses.c)Even if a device driver is no longer required, a user cannot delete the device driver once it is installed.d)It is only necessary to install one (1) device driver for a printer to use all printers regardless of manufacturer or model.

Oct 2024 · Question 13

Which of the following is a description about a technology that improves the processing performance of a computer and is also called turbo boost?

a)It is placed between the CPU and the main memory, and it remedies the slow performance of the main memory in reading and writing.b)It increases the operation frequency of the cores when the heat that the CPU generates and the power that the CPU consumes have certain margins against their limits.c)It provides multiple sections that serve as cores for performing calculations within the CPU, and it executes several processes simultaneously.d)It shares the CPUs of multiple computers, and executes a large amount of processes in a distributed manner.

Oct 2024 · Question 23

Which of the following is an explanation of the printing method of an inkjet printer?

a)Printing is performed by directly spraying fine ink particles onto the paper.b)Printing is performed by using printing pins or other such component to hit an ink ribbon against the paper.c)Printing is performed by using the print head to heat ink that melts when it is heated.d)Printing is performed by using laser light to make toner adhere to a photosensitive body.

Apr 2023 · Question 2

Which of the following is the appropriate meaning of the units that are shown in the specifications given in brochures or catalogs?

a)“2-Tbyte hard disk” refers to a capacity of 2 × 10¹² bytes.b)“9600-dpi printer” refers to a printing precision of 9600 dots/cm².c)“CPU operates at a base clock of 3.3 GHz” refers to operation at a frequency of 3.3 × 2²⁰ Hz.d)“Modem with a transmission speed of 56 kbps” refers to a minimum transmission speed of 5.6 × 2¹⁰ bits/second.

Apr 2023 · Question 10

Which of the following is a standard for wireless communication between a PC and peripheral devices?

a)Bluetoothb)IEEE 1394c)PCId)USB 3.2

Apr 2023 · Question 11

Which of the following is an appropriate description concerning a touch panel?

a)Operations are performed by using a pen-type or mouse-type device for specifying a position on the screen, and a flat-plate input device that detects the position.b)Movement of a mouse pointer on the screen or other operations are performed by tracing a flat-panel input device with a finger.c)The movement of a finger is detected by a sensor on the surface, and operations are performed by rotating a component called a wheel that is similar to a disc.d)There are some types such as resistive or capacitive, and operations are performed on a computer through direct contact with the screen by a finger.

Apr 2023 · Question 12

Which of the following is an appropriate description of a multi-core processor?

a)An improvement in the throughput of the entire system is aimed at by simultaneously executing different processing in each core.b)An improvement in the reliability of the processing result is aimed at by executing the same processing in several cores.c)Several cores are controlled by hardware alone, and the OS is not required to have a special function.d)The throughput of the processor depends only on the number of cores, and does not depend on the clock frequency.

Apr 2023 · Question 13

Which of the following is a plug and play function?

a)The automatic playback that is performed when a DVD is insertedb)The automatic installation of a device driver that supports a newly connected peripheral device to the PCc)The automatic fault diagnosis for a connected peripheral deviced)The automatic periodic virus scan of a disk drive

Oct 2023 · Question 12

Which of the following is required for an application program to use the peripheral equipment that is connected to a PC?

a)Compilerb)Device driverc)Plug and playd)Hot plug

Oct 2023 · Question 23

Which of the following is a device that is used to recognize handwritten characters and convert them into character codes?

a)BD-Rb)CD-Rc)OCRd)OMR

Apr 2022 · Question 10

Which of the following is an appropriate description of a dual-core processor?

a)Two (2) types of OS are installed on a single PC, and the PC is configured so that either OS can be booted.b)Two (2) displays are connected to a single PC in order to have a single continuous wide display area across the two (2) displays.c)Two (2) strips of memory with the same standard and capacity are combined, and the effective speed of data transfer is increased by accessing each strip concurrently.d)The integrated circuits of two (2) processors are implemented on a single LSI package, and the two (2) processors can execute separate instructions concurrently.

Apr 2022 · Question 13

Which of the following is a chip that is used in image processing in devices such as PCs and smartphones, and is also used for large amount of calculation processing in AI?

a)ARb)DVIc)GPUd)MPEG

Oct 2022 · Question 10

Which of the following is an appropriate description concerning CPU performance?

a)Compared with a 64-bit CPU, a 32-bit CPU is able to process a longer data at one time.b)The less the capacity of cache memory in the CPU, the faster the processing speed.c)For a CPU of a given architecture, raising the clock frequency increases processing speed.d)A dual core CPU can perform a greater number of processes simultaneously than a quad core CPU can.

Oct 2022 · Question 12

Which of the following is an appropriate description concerning NFC?

a)It provides communications across a short distance of approximately 10 cm, and is used for reading and writing data on an IC card or IC tag.b)It can provide communications across an area of tens of meters, and is used in wireless LANs.c)It provides communications by using infrared rays, and is used for data exchange on mobile phones.d)It can receive electromagnetic waves from multiple artificial satellites, and is used for positioning on a car navigation system.

Oct 2022 · Question 13

Which of the following storage units has the shortest access time?

a)HDDb)SSDc)Cache memoryd)Main memory

Oct 2022 · Question 23

Which of the following is an appropriate typical example of a system operating on a super computer?

a)An SCM system that is required for linkage between enterprisesb)A global climate change prediction system that requires large-scale scientific and technical computingc)A banking system that requires a high reliabilityd)An engine control system of a vehicle that requires advanced real-time control

Apr 2021 · Question 10

Which of the following is the most appropriate description concerning a multi-core processor?

a)Several microprocessors are installed in one PC with the purpose of improving the reliability of the processing results by performing the same processing at the same time in each processor.b)If the structure and clock frequency of the arithmetic logical unit are the same, a quad core processor has four times as much processing power as a dual core processor.c)The clock frequency is temporarily increased according to the load of the processing so as to achieve high-speed processing.d)A single CPU has several processing circuits that perform operations, and each processing circuit performs different processing at the same time with the purpose of improving the processing power.

Apr 2021 · Question 11

Which of the following is an appropriate explanation of a hot plug?

a)It is a function that enables attachment or detachment of a peripheral device while PC power remains on.b)It is software that is installed afterwards in order to enhance the functions of application software.c)It is a mechanism of supplying power from a PC to a peripheral device via a cable connected to the peripheral device.d)It is a technique of executing a specific program and evaluating system performance on the basis of the time taken for the processing.

Apr 2021 · Question 12

Which of the following is an appropriate explanation of GPU?

a)It is an index that shows the throughput of a CPU in terms of how many billions of instructions it can execute per second.b)It is a frequency signal that synchronizes the arithmetic processing of CPUs.c)It is a storage unit that is placed between a CPU and a main memory, and has a higher reading and writing speed than the main storage unit.d)It is an arithmetic logical unit that is used instead of a CPU to accelerate processing such as image processing for 3D graphics.

Oct 2021 · Question 12

Which of the following is an appropriate description about a device driver?

a)Software for controlling and operating peripherals that are connected to a PCb)Software that is started immediately after a PC is turned on, and enables basic input/output to the hard disk and the keyboard before the OS startsc)Software to be embedded in a web browser for displaying pages that contain videod)Software that combines files into one (1) file and restores the original files from the file

Oct 2021 · Question 13

Volatile memory loses its content when the power supply is lost. Among (i) through (iv) below, which of the following is the list of all volatile memory?

(i)DRAM(ii)ROM(iii)SRAM(iv)SSD

a)(i), (ii)b)(i), (iii)c)(ii), (iv)d)(iii), (iv)

Oct 2021 · Question 23

Which of the following is a computer that is used for tasks such as global scale environmental simulations and DNA analysis, and was developed with the objective of processing a large amount of calculations at ultra high speed?

a)Virtual computerb)Super computerc)General purpose computerd)Microcomputer

Apr 2020 · Question 11

Which of the following lists all and only the appropriate descriptions about a 32-bit CPU and a 64-bit CPU?

IWhen a 32-bit CPU and a 64-bit CPU are compared, a 64-bit CPU has a larger theoretical maximum memory space..IIThere is no 32-bit OS that runs on a PC with a 64-bit CPU.IIIIn terms of the read and write speed of a USB memory, the speed of a PC with a 64-bit CPU is twice as fast as that of a PC with a 32-bit CPU.

a)Ib)I, IIc)II, IIId)III

Oct 2020 · Question 12

A list of PC hardware contains the items that are shown in the Table. Which of the following is an appropriate description concerning these items?

a)The operating frequency shows the number of the signals generated per second that synchronize the timing of arithmetic processing, and the internal processing speed of the CPU is inversely proportional to the operating frequency.b)The number of cores shows the number of core parts that are built into the CPU and are responsible for arithmetic processing, and there are dual core CPUs and quad core CPUs, etc.c)The number of threads shows the number of threads that can be executed simultaneously in applications, and the smaller the number the higher the speed of processing can be.d)Cache memory is a storage unit that is placed inside the CPU and can be written to and read from at high speed, and secondary cache is closer to the CPU core than primary cache is.

Oct 2020 · Question 13

Which of the following is appropriate as a description concerning Plug and Play?

a)When a peripheral device is connected to a PC, installation and settings of the device driver are performed automatically.b)Software for enhancing the functions of application software is installed separately.c)Power is supplied from a PC to a peripheral device via a cable connected to the peripheral device.d)A specific program is executed, and the system performance is evaluated on the basis of the time taken for the processing.

Apr 2019 · Question 10

Which of the following is an appropriate description concerning a CPU?

a)The cache memory that is integrated into a CPU is used to virtually extend the capacity of the main memory.b)A CPU is equipped with the arithmetic and logical function that serves as part of control functions.c)A CPU is categorized as a 16-bit, 32-bit, or 64-bit CPU depending on the data volume processed at a time, but the width in bits is not related to the performance.d)For CPUs that have the same architecture, the higher the clock frequency, the faster the response time.

Apr 2019 · Question 11

Which of the following is an appropriate description concerning flash memory?

a)It becomes read-only storage once data is written.b)No power supply is required to retain stored data.c)It is not used for digital cameras because of the difficulty of downsizing.d)Data is read or written using laser light.

Apr 2019 · Question 12

Among the interface standards (i) through (iv), which of the following contains all and only the standards that do not need a physical connection with cables and the like?

(i)Bluetooth(ii)IEEE 1394(iii)IrDA(iv)USB 3.0

a)(i), (ii)b)(i), (iii)c)(ii), (iii)d)(iii), (iv)

Apr 2018 · Question 11

Which of the following is a characteristic common to IEEE 1394 and USB that are often used for connection interfaces between PCs and peripheral devices?

a)Peripheral devices can be connected and disconnected while the PC and/or devices are powered on.b)A maximum transfer rate is 100 Mbits/second.c)A unique ID must be assigned to each device connected to a PC.d)Data can be transmitted in parallel over multiple data lines.

Apr 2018 · Question 13

Which of the following printers can take multiple copies simultaneously by using carbon paper or non-carbon paper at the time of printing?

a)Inkjet printerb)Impact printerc)Thermal printerd)Laser printer

Apr 2018 · Question 23

Which of the following is a typical example of a system operating on a super computer?

a)A Supply Chain Management system that is required for linkage between enterprisesb)A global climate change forecast system that requires large-scale scientific and technical computingc)A banking system that requires a high reliabilityd)An engine control system of a vehicle that requires advanced real-time control