ISSN1 IT Essentials Chapter 1 Review

B. magstripe reader IT Essentials 1.2.9 Input Devices

A customer comes into a computer parts and service store. The customer is looking for a device to allow secure access to the main doors of the company by swiping an ID card. What device should the store owner recommend to accomplish the required task? A. biometric scanner B. magstripe reader C. keyboard D. NFC device

A. NFC Reader IT Essentials 1.2.9 Input Devices

A customer comes into a computer parts and service store. The customer is looking for a device to allow users to tap and pay for their purchases. What device should the store owner recommend to accomplish the required task? A. NFC device B. joystick or gamepad C. magstripe reader D. projector

D. projector IT Essentials 1.2.9 Input Devices

A customer comes into a computer parts and service store. The customer is looking for a device to display a promotional presentation to a large audience at a conference. What device should the store owner recommend to accomplish the required task? A. AR headset B. joystick or gamepad C. magstripe reader D. projector

A. Stylus IT Essentials 1.2.9 Input Devices

A customer comes into a computer parts and service store. The customer is looking for a device to help a person with accessibility issues input instructions into a laptop by using a pen. What device should the store owner recommend to accomplish the required task? A. Stylus B. Biometric Scanner C. Keyboard D. NFC Device

D. AR Headset IT Essentials 1.2.9 Input Devices

A customer comes into a computer parts and service store. The customer is looking for a device to help when repairing an airplane and that will allow the customer to see and interact with the repair manual at the same time. What device should the store owner recommend to accomplish the required task? A. Biometric Scanner B. Keyboard C. NFC Device D. AR Headset

D. keyboard IT Essentials 1.2.9 Input Devices

A customer comes into a computer parts and service store. The customer is looking for a device to manually input text for a new networking textbook that the customer is writing. What device should the store owner recommend to accomplish the required task? A. biometric scanner B. NFC device C. flatbed scanner D. keyboard

A. Biometric Scanner IT Essentials 1.2.9 Input Devices

A customer comes into a computer parts and service store. The customer is looking for a device to provide secure access to the central server room using a retinal scan. What device should the store owner recommend to accomplish the required task? A. NFC Device B. Biometric Scanner C. Keyboard D. Flatbed Scanner

D. flatbed scanner IT Essentials 1.2.9 Input Devices

A customer comes into a computer parts and service store. The customer is looking for a device to scan some old family photos into a laptop. What device should the store owner recommend to accomplish the required task? A. flatbed scanner B. joystick or gamepad C. projector D. magstripe reader

B. joystick or gamepad IT Essentials 1.2.9 Input Devices

A customer comes into a computer parts and service store. The customer is looking for a device to train pilots how to land and take off in a computer simulation environment. What device should the store owner recommend to accomplish the required task? A. projector B. joystick or gamepad C. magstripe reader D. AR headset

B. KVM switch A KVM switch allows sharing the keyboard, video and mouse between computer systems. IT Essentials 1.2.9 Input Devices

A customer has a computer for a home business, but wants to have another computer as a web server. What would be the best solution for the customer to share the monitor, mouse, and keyboard between the two computers? A. access point B. KVM switch C. multipurpose device D. network switch E. USB hub

C. an available PATA/SATA connection PATA supports two devices per cable. PATA cables sometimes have only one device connector. A new PATA cable could be purchased that had two device connectors. Each SATA device, on the other hand, requires a SATA port and a SATA cable. IT Essentials 1.2.1 Case and power supplies

A customer needs additional storage space on an older computer. What will the technician look at in the computer to determine if an additional hard drive can be added? A. adequate RAM B. an open PCI/PCIe expansion slot C. an available PATA/SATA connection BIOS version D. the heat that is generated and air flow requirements

C. ECC RDRAM, DDR2, and DDR3 RAM do not offer any error correction abilities for data within the memory module. ECC RAM allows for the detection of multiple bit errors and correction of single bit errors within the memory modules. IT Essentials 1.2.4 Memory

A technician is building a thick client workstation that would be used to run a database and wants to ensure the best protection against errors. What type of memory would be best suited for this? A. RDRAM B. DDR3 C. ECC D. DDR2

C. power supply IT Essentials 1.2.1 Case and power supplies

A technician looks at a motherboard and sees a 24-pin connector. What component would connect to the motherboard through the use of this 24-pin connector? A. video card B. PATA optical drive C. power supply D. SATA drive E. floppy drive

B. RAM RAM is the temporary storage to which data and programs are loaded by the CPU for processing. ROM is read-only memory. Its content will not be altered by the CPU during normal operation. Both the hard drive and an SSD are data storage devices. The CPU will send data to them for storage or retrieve data from them and load into RAM for processing. IT Essentials 1.2.4 Memory

From which type of data storage does the CPU load information for processing during normal operation? A. SSD B. RAM C. ROM D. hard drive

D. Install an SSD drive in each computer. SSD drives are an outstanding choice in extreme temperatures, in unusual environments, and in an environment where there are vibrations. IT Essentials 1.2.6 Hard disk drives and SSDs

Hard drives in a grocery warehouse keep failing because of vibrations in the warehouse environment. What would be a possible solution for this high failure rate? A. Install a more powerful power supply in each computer. B. Install an antistatic mat under each computer. C. Install each computer in a specialized high airflow case. D. Install an SSD drive in each computer.

C. Add an additional case fan. Active cooling solutions require power (like adding a case fan) while passive cooling solutions do not. IT Essentials 1.2.3 CPUs and Cooling Systems

What is an active cooling solution for a PC? A. Reduce the speed of the CPU. B. Add a heatsink to the CPU. C. Add an additional case fan. D. Use a painted computer case.

A. 3.3 volts B. 5 volts D. 12 volts IT Essentials 1.2.1 Case and power supplies

What three voltages are commonly provided by the power supply to the various components inside the computer? (Choose three.) A. 3.3 volts B. 5 volts C. 9 volts D. 12 volts E. 24 volts F. 48 volts

C. video capture card A video capture card enables video to be saved as a file on the computer hard drive from a video recorder. A TV tuner card enables television signals to be received and viewed by the computer. A video adapter enables the computer to display computer output on a screen. A network interface card enables the computer to connect to a data network. IT Essentials 1.2.5 Adapter Cards and Expansion Slots

Which adapter would a technician install in a desktop computer to enable a video signal to be recorded from a video recorder to the computer hard drive? A. video adapter B. TV tuner card C. video capture card D. network interface card

A. chips that run at clock speeds of 800 MHz and have a connector with 240 pins IT Essentials 1.2.4 Memory

Which characteristic describes DDR3 SDRAM? A. chips that run at clock speeds of 800 MHz and have a connector with 240 pins B. an individual memory chip that has dual rows of pins used to attach it to the motherboard C. a small circuit board that holds several memory chips and has a 30- or 72-pin configuration D. chips specifically designed for video graphics that are used in conjunction with a dedicated GPU

C. chips that can detect multiple bit errors and correct single bit errors in memory IT Essentials 1.2.4 Memory

Which characteristic describes ECC memory? A. chips specifically designed for video graphics that are used in conjunction with a dedicated GPU B. an individual memory chip that has dual rows of pins used to attach it to the motherboard C. chips that can detect multiple bit errors and correct single bit errors in memory D. chips that run at clock speeds of 800 MHz and have a connector with 240 pins

A. a chip that is nonvolatile and can be erased by exposing it to strong ultraviolet light Reference: IT Essentials 1.2.4 Memory

Which characteristic describes EPROM? A. a chip that is nonvolatile and can be erased by exposing it to strong ultraviolet light B. SRAM that is internal and integrated into the CPU a smaller, more condensed memory module that provides random access data storage, ideal for use in laptops, printers, and other devices where conserving space is desirable C. a small circuit board that holds several memory chips and has a 30- or 72-pin configuration D. chips that require constant power to function and are often used for cache memory

B. chips specifically designed for video graphics that are used in conjunction with a dedicated GPU IT Essentials 1.2.4 Memory

Which characteristic describes GDDR SDRAM? A. chips that require constant power to function and are often used for cache memory B. chips specifically designed for video graphics that are used in conjunction with a dedicated GPU C. chips that run at clock speeds of 800 MHz and have a connector with 240 pins D. chips whose contents can be "flashed" for deletion and are often used to store BIOS

D. chips that are manufactured blank and then can be programmed once by a PROM programmer IT Essentials 1.2.4 Memory

Which characteristic describes PROM? A. chips that run at clock speeds of 800 MHz and have a connector with 240 pins B. chips specifically designed for video graphics that are used in conjunction with a dedicated GPU C. chips that require constant power to function and are often used for cache memory D. chips that are manufactured blank and then can be programmed once by a PROM programmer

D. a chip that cannot be erased or rewritten and is now obsolete IT Essentials 1.2.4 Memory

Which characteristic describes ROM? A. a chip that cannot be erased or rewritten and is now obsolete chips that run at clock speeds of 800 MHz and have a connector with 240 pins B. chips specifically designed for video graphics that are used in conjunction with a dedicated GPU C. chips that require constant power to function and are often used for cache memory D. a chip that cannot be erased or rewritten and is now obsolete

A. an individual memory chip that has dual rows of pins used to attach it to the motherboard IT Essentials 1.2.4 Memory

Which characteristic describes a DIP? A. an individual memory chip that has dual rows of pins used to attach it to the motherboard B. chips that require constant power to function and are often used for cache memory C. chips that run at clock speeds of 800 MHz and have a connector with 240 pins D. chips whose contents can be "flashed" for deletion and are often used to store BIOS

B. a small circuit board that holds several memory chips and has a 30- or 72-pin configuration IT Essentials 1.2.4 Memory

Which characteristic describes a SIMM? A. chips that require constant power to function and are often used for cache memory B. a small circuit board that holds several memory chips and has a 30- or 72-pin configuration C. chips that run at clock speeds of 800 MHz and have a connector with 240 pins D. chips whose contents can be "flashed" for deletion and are often used to store BIOS

D. chipset The chipset controls communication between the CPU and other computer components. IT Essentials 1.2.2 Motherboards

Which component controls the communications and interactions between the CPU and other components on the motherboard? A. RAM B. BIOS C. CMOS D. chipset

A. It is used in conjunction with a dedicated GPU. GDDR Synchronous Dynamic RAM is specially designed for graphics and is used in conjunction with a GPU. IT Essentials 1.2.4 Memory

Which statement describes a characteristic of GDDR Synchronous Dynamic RAM? A. It is used in conjunction with a dedicated GPU. B. It processes massive amounts of data at the fastest speeds. C. It is used for main memory. D. It has a low power consumption and is used for cache memory.

C. It is used for cache memory. SRAM is used for cache memory. It takes a small, but constant source of power to function. IT Essentials 1.2.4 Memory

Which statement describes a characteristic of SRAM in a PC? A. It is used as main RAM in a PC. B. It has the highest power consumption. C. It is used for cache memory. D. It has a connector with 240 pins.

C. An anti-static wrist strap should make contact with the skin. IT Essentials 1.3.1 The Technician's Toolkit

Which statement describes the proper use of an anti-static wrist strap? A. An anti-static wrist strap should not be used in conjunction with an antistatic mat. B. For optimum grounding, the clip should be attached to a painted section of the computer case. C. An anti-static wrist strap should make contact with the skin. D. The anti-static wrist strip should not be attached to any grounded object.

D. antistatic wrist strap An antistatic wrist strap equalizes the electrical charge between the technician and the equipment and protects the equipment from electrostatic discharge. IT Essentials 1.1.1 What is in a Computer?

Which tool can protect computer components from the effects of ESD? A. antistatic wrist strap B. surge suppressor C. UPS D. SPS

B. access to the RAM D. access to the video card IT Essentials 1.2.2 Motherboards

Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.) A. communication between the CPU and the I/O ports B. access to the RAM C. communication between the CPU and the hard drive D. access to the video card E. communication between the CPU and the sound card

B. USB Ports D. Hard Drive IT Essentials 1.2.2 Motherboards

Which two components usually interface directly with the Southbridge chipset on the motherboard? (Choose two.) A. video card B. USB ports C. RAM D. hard drive E. PCIe slots

A. biometric authentication device C. digital camera Biometric authentication devices and digital cameras are considered input devices. Speakers, projectors, and printers are all considered as output devices. IT Essentials 1.2.9 Input Devices

Which two devices are considered input devices? (Choose two.) A. biometric authentication device B. printer C. digital camera D. projector E. speakers

A. tape drive C. hard disk drive A hard drive, or hard disk drive, is a magnetic storage device that is installed inside the computer. The hard drive is used as permanent storage for data.A tape drive is a magnetic storage that is most often used for backup or archive data. Magnetic tapes are used to store data via a magnetic read/write head. IT Essentials 1.2.6 Hard disk drives and SSDs

Which two storage devices use a magnetic medium for storing data? (Choose two.) A. tape drive B. solid state drive C. hard disk drive D. blue-ray disk drive E. compact disk drive

B. a biometric identification device As biometric identification devices, laptops commonly use a fingerprint scanner or, for facial recognition, a camera. IT Essentials 1.2.9 Input Devices

Which type of device would be used on a laptop to verify the identity of a user? A. a MIDI device B. a biometric identification device C. a touch screen D. a digitizer

C. HDMI High definition multimedia interface, or HDMI, was originally a television standard. However, because it has many digital features, it is also a popular interface to connect audio and video devices to computers. IT Essentials 1.2.8 Ports, Cables, and Adapters

Which type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices? A. FireWire B. DVI C. HDMI D. USB E. VGA

D. SRAM IT Essentials 1.2.4 Memory

Which type of memory is primarily used as cache memory? A. DRAM B. RAM C. ROM D. SRAM

A. revolutions per minute Revolutions per minute (RPM) is the speed at which the spindle in a hard drive spins. The faster the spindle spins, the faster the data can be retrieved from the platters. IT Essentials 1.2.6 Hard disk drives and SSDs

Which unit of measurement is used to indicate the hard drive speed? A. revolutions per minute B. gigabytes C. pages per minute D. clusters per minute

C. to provide a path of least resistance for stray current In the event of stray current being generated by a fault within the computer, the ground will provide a path of least resistance for the current to flow harmlessly away. IT Essentials 1.1.2 Electrical and ESD Safety

Why is it important to ground both computers and network devices? A. to ensure that the power supply is limited to an output of 110V DC B. to facilitate the flow of current from the power supply to the computer case C. to provide a path of least resistance for stray current D. to ensure that both the power supplied and the power used is in sync with the ground voltage