Last Updated on October 26, 2019 by Admin
IT Essentials Chapter 1 Exam Online 2019
ITE -- Chapter 1
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ITE — Chapter 1
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Question 1 of 24
1. Question
2 pointsWhat are two factors that must be considered when choosing a computer case? (Choose two.)Correct
Incorrect
The size and shape of the computer case is usually determined by the motherboard form factor, power supply, number of external ports, and the number of internal drive bays.Hint
The size and shape of the computer case is usually determined by the motherboard form factor, power supply, number of external ports, and the number of internal drive bays. -
Question 2 of 24
2. Question
1 pointsA 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?Correct
Incorrect
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Question 3 of 24
3. Question
1 pointsWhat electrical unit refers to the number of electrons moving through a circuit per second?Correct
Incorrect
Current refers to the amount of electrons moving through a circuit per second and is measured in amperes or amps.Hint
Current refers to the amount of electrons moving through a circuit per second and is measured in amperes or amps. -
Question 4 of 24
4. Question
1 pointsWhat characteristic of electricity is expressed in watts?Correct
Incorrect
Watts is the unit used to measure the electrical power. Power refers to the work required to move electrons through a circuit multiplied by the number of electrons flowing through a circuit per second.Hint
Watts is the unit used to measure the electrical power. Power refers to the work required to move electrons through a circuit multiplied by the number of electrons flowing through a circuit per second. -
Question 5 of 24
5. Question
1 pointsWhich type of memory is primarily used as cache memory?Correct
Incorrect
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Question 6 of 24
6. Question
1 pointsRefer to the exhibit. Which type of adapter is shown?
Correct
Incorrect
The card that is shown in the exhibit is a network interface adapter with an RJ-45 port which is used to connect the computer to a network via a network cable.Hint
The card that is shown in the exhibit is a network interface adapter with an RJ-45 port which is used to connect the computer to a network via a network cable. -
Question 7 of 24
7. Question
1 pointsWhich component controls the communications and interactions between the CPU and other components on the motherboard?Correct
Incorrect
The chipset controls communication between the CPU and other computer components.Hint
The chipset controls communication between the CPU and other computer components. -
Question 8 of 24
8. Question
2 pointsWhich two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)Correct
Incorrect
The Northbridge chipset generally controls access to the RAM, video card, and the speeds at which the CPU can communicate with them.Hint
The Northbridge chipset generally controls access to the RAM, video card, and the speeds at which the CPU can communicate with them. -
Question 9 of 24
9. Question
1 pointsWhich unit of measurement is used to indicate the hard drive speed?Correct
Incorrect
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.Hint
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. -
Question 10 of 24
10. Question
1 pointsWhich type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices?Correct
Incorrect
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.Hint
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. -
Question 11 of 24
11. Question
2 pointsWhich two devices are considered input devices? (Choose two.)Correct
Incorrect
Biometric authentication devices and digital cameras are considered input devices. Speakers, projectors, and printers are all considered as output devices.Hint
Biometric authentication devices and digital cameras are considered input devices. Speakers, projectors, and printers are all considered as output devices. -
Question 12 of 24
12. Question
1 pointsWhat is indicated by the contrast ratio of a monitor?Correct
Incorrect
Contrast ratio is one of many factors that is used to describe the resolution of a monitor. Contrast ratio is a measure of the difference in intensity between white and black areas of the picture. A higher contrast ratio means the monitor can produce pictures with brighter whites and darker blacks.Hint
Contrast ratio is one of many factors that is used to describe the resolution of a monitor. Contrast ratio is a measure of the difference in intensity between white and black areas of the picture. A higher contrast ratio means the monitor can produce pictures with brighter whites and darker blacks. -
Question 13 of 24
13. Question
1 pointsWhat type of connector can be used to connect an internal hard drive to the motherboard?Correct
Incorrect
A SATA interface uses a 7-pin data connector and connects and internal SATA hard drive to the motherboard.Hint
A SATA interface uses a 7-pin data connector and connects and internal SATA hard drive to the motherboard. -
Question 14 of 24
14. Question
2 pointsWhich two factors must be considered when replacing old RAM modules in a PC? (Choose two.)Correct
Incorrect
When the RAM on a motherboard is being replaced or upgraded, the new RAM module must be compatible with the current motherboard. In addition, the speed of the new RAM must be supported by the chipset.Hint
When the RAM on a motherboard is being replaced or upgraded, the new RAM module must be compatible with the current motherboard. In addition, the speed of the new RAM must be supported by the chipset. -
Question 15 of 24
15. Question
1 pointsWhich term is used to define the wires on a motherboard that move data from one part of a computer to another?Correct
Incorrect
Data is moved on the motherboard over a collection of wires known as a bus. Busses serves two purposes: (1) to carry data between computer components and (2) to carry the memory address locations of where the data is read and written by the CPU.Hint
Data is moved on the motherboard over a collection of wires known as a bus. Busses serves two purposes: (1) to carry data between computer components and (2) to carry the memory address locations of where the data is read and written by the CPU. -
Question 16 of 24
16. Question
1 pointsWhen a new PC is being built, which component has the most influence when selecting the case and power supply?Correct
Incorrect
The choice of motherboard determines the type of case and power supply. The form factor of a motherboard must match the type of case and power supply. RAM modules, video cards, and sound cards are installed on the motherboard. They must be compatible with the motherboard. A hard disk is attached to the case, but the dimensions of the drive bays are standardized.Hint
The choice of motherboard determines the type of case and power supply. The form factor of a motherboard must match the type of case and power supply. RAM modules, video cards, and sound cards are installed on the motherboard. They must be compatible with the motherboard. A hard disk is attached to the case, but the dimensions of the drive bays are standardized. -
Question 17 of 24
17. Question
1 pointsWhat is the function of the power supply?Correct
Incorrect
The power supply converts alternating current (AC) power coming from a wall outlet into direct current (DC) power, which is of lower voltage. DC power is required for all the components inside the computer.Hint
The power supply converts alternating current (AC) power coming from a wall outlet into direct current (DC) power, which is of lower voltage. DC power is required for all the components inside the computer. -
Question 18 of 24
18. Question
2 pointsWhich two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)Correct
Incorrect
Virtual computing requires more powerful hardware configurations because each installation needs its own resources and thus requires a lot of RAM and CPU processing power.Hint
Virtual computing requires more powerful hardware configurations because each installation needs its own resources and thus requires a lot of RAM and CPU processing power. -
Question 19 of 24
19. Question
1 pointsA user playing a game on a gaming PC with a standard EIDE 5400 RPM hard drive finds the performance unsatisfactory. Which hard drive upgrade would improve performance while providing more reliability and more energy efficiency?Correct
Incorrect
Games require a lot of storage. In order for the computer to load and run games quickly, a fast hard drive will need to be installed. To obtain best performance an SSD (Solid-State Drive) will perform faster than an EIDE drive or a SATA drive.Hint
Games require a lot of storage. In order for the computer to load and run games quickly, a fast hard drive will need to be installed. To obtain best performance an SSD (Solid-State Drive) will perform faster than an EIDE drive or a SATA drive. -
Question 20 of 24
20. Question
3 pointsWhat three components should be included in a computer that is used to create TV commercials and music videos? (Choose three.)Correct
Incorrect
A computer used to produce music or TV commercials would require specialized hardware and software to support the extra audio, video, and processing requirements. A typical machine would include specialized audio and video cards, large and fast hard drives, multiple monitors, and cards to support HDMI, DisplayPort, and Thunderbolt.Hint
A computer used to produce music or TV commercials would require specialized hardware and software to support the extra audio, video, and processing requirements. A typical machine would include specialized audio and video cards, large and fast hard drives, multiple monitors, and cards to support HDMI, DisplayPort, and Thunderbolt. -
Question 21 of 24
21. Question
1 pointsWhich memory technology allows two memory modules to be accessed at the same time?Correct
Incorrect
Dual channel RAM has two channels so that two memory modules can be accessed at the same time. Double-side memory modules have RAM on both sides of the module. Static RAM (SRAM) is memory that does not need refreshing, thus providing faster access to data. Error Correction Code (ECC) is a method of error checking.Hint
Dual channel RAM has two channels so that two memory modules can be accessed at the same time. Double-side memory modules have RAM on both sides of the module. Static RAM (SRAM) is memory that does not need refreshing, thus providing faster access to data. Error Correction Code (ECC) is a method of error checking. -
Question 22 of 24
22. Question
1 pointsWhich security feature in modern CPUs protects memory areas that contain part of the operating system from malware attacks?
Correct
Incorrect
The execute disable option can be turned on, if the feature is supported by the OS, to prevent malicious code from being executed inside a specific memory area that contains operating system files.Hint
The execute disable option can be turned on, if the feature is supported by the OS, to prevent malicious code from being executed inside a specific memory area that contains operating system files. -
Question 23 of 24
23. Question
6 pointsDrag the description on the left to its RAID level on the right.
Sort elements
- highest performance
- data striping without redundancy
- disk mirroring
- high performance and high protection because all data is dubplicated
- combination of data striping and parity
- ability of data to be rebuilt with information from the other drives
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RAID 0
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RAID 0
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RAID 1
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RAID 1
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RAID 5
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RAID 5
Correct
Incorrect
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Question 24 of 24
24. Question
5 pointsMatch the ports or cables with their descriptions. (Not all options are used.)
Sort elements
- connects a keyboard or a mouse to a computer
- multimedia interface initially developed for TV
- connector for analog video
- connector for coaxial cables
- connects to devices using the Mini DisplayPort adapter
- connector for audio, video, and power in security cameras
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PS/2
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HDMI
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VGA
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BNC
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Thunderboilt
Correct
Incorrect