Gibilisco - Computers And The Internet
Questions and Answers
- 1.
One megabyte is the same amount of data as
- A.
1024 bytes.
- B.
1024 KB.
- C.
1024 GB.
- D.
1/1024 KB.
Correct Answer
B. 1024 KB.Explanation
The correct answer is 1024 KB because one megabyte is equal to 1024 kilobytes. The prefix "kilo-" represents a factor of 1000, so 1 kilobyte is 1000 bytes. However, in computing, data is often measured in binary form, where each unit is a power of 2. Therefore, 1 kilobyte is actually 1024 bytes. By extension, 1 megabyte is 1024 kilobytes.Rate this question:
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- 2.
The Web should be expected to work fastest for a user in New York City at
- A.
2:00 a.m. local time on a Tuesday.
- B.
4:00 p.m. local time on a Wednesday.
- C.
12:30 p.m. local time on a Thursday.
- D.
Any time; it doesn’t matter.
Correct Answer
A. 2:00 a.m. local time on a Tuesday.Explanation
During 2:00 a.m. local time on a Tuesday, there is likely to be less internet traffic in New York City. This is because most people are asleep at that time, resulting in lower demand for internet usage. With fewer users accessing the web, the network bandwidth is less congested, allowing for faster internet speeds. Hence, the web should be expected to work fastest for a user in New York City at 2:00 a.m. local time on a Tuesday.Rate this question:
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- 3.
The sharpness of the image on a computer display can be specified in terms of
- A.
Refresh rate.
- B.
Interlace rate.
- C.
Wavelength.
- D.
Dot pitch.
Correct Answer
D. Dot pitch.Explanation
The sharpness of an image on a computer display can be specified in terms of dot pitch. Dot pitch refers to the distance between the individual phosphor dots on a display screen. A smaller dot pitch indicates a higher resolution and sharper image, as the dots are closer together. Refresh rate refers to the number of times the image is refreshed per second, interlace rate refers to the method of displaying images using alternating lines, and wavelength refers to the length of a wave. However, none of these directly relate to the sharpness of the image on a computer display.Rate this question:
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- 4.
The term cylinder refers to
- A.
A set of tracks in a hard drive.
- B.
A particular type of memory chip.
- C.
A drum-shaped data storage medium.
- D.
The spindle that turns a CD-R or CD-RW.
Correct Answer
A. A set of tracks in a hard drive.Explanation
The term "cylinder" in this context refers to a set of tracks in a hard drive. In a hard drive, the data is stored on multiple platters, and each platter has multiple tracks. A cylinder is formed by the collection of tracks that are at the same position on each platter. This means that when the read/write head moves to a particular cylinder, it can access the corresponding track on each platter simultaneously. This organization allows for efficient and quick access to data on the hard drive.Rate this question:
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- 5.
An example of a mass-storage device is a
- A.
Hard drive.
- B.
Microprocessor.
- C.
Modem.
- D.
Read-write head.
Correct Answer
A. Hard drive.Explanation
A hard drive is an example of a mass-storage device because it is capable of storing large amounts of data. It uses magnetic storage to store and retrieve data, making it suitable for long-term storage. Unlike a microprocessor, which is responsible for executing instructions and performing calculations, a hard drive is used for data storage purposes. A modem, on the other hand, is a device that enables communication between computers over a network. A read-write head is a component of a hard drive that is responsible for reading and writing data to the storage platters.Rate this question:
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- 6.
The character string [email protected] would most likely represent
- A.
A Web site.
- B.
The location of data in a computer’s memory.
- C.
An e-mail address.
- D.
A computer’s serial number.
Correct Answer
C. An e-mail address.Explanation
The character string [email protected] is in the format of an email address, with the username "ako" followed by the "@" symbol and the domain name "mabait.com". This format is commonly used to identify and communicate with individuals through email. Therefore, the character string most likely represents an email address.Rate this question:
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- 7.
The megabit per second (Mbps) is a common unit that expresses
- A.
The memory capacity of a chip.
- B.
The storage capacity of an external hard drive.
- C.
The image resolution of a printer.
- D.
The speed of an Internet connection.
Correct Answer
D. The speed of an Internet connection.Explanation
The correct answer is the speed of an Internet connection. Mbps is a unit used to measure the rate at which data is transmitted over a network or internet connection. It represents the amount of data that can be transferred in one second. This unit is commonly used to describe the speed of internet connections, indicating how quickly data can be downloaded or uploaded. It is not related to the memory capacity of a chip, the storage capacity of an external hard drive, or the image resolution of a printer.Rate this question:
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- 8.
A platter is
- A.
Part of a hard drive.
- B.
A unit of memory.
- C.
An element of a digital image.
- D.
A semiconductor chip.
Correct Answer
A. Part of a hard drive.Explanation
A platter is a correct answer because it refers to one of the main components of a hard drive. A hard drive consists of multiple platters, which are circular disks coated with a magnetic material. These platters store the data in the form of magnetic patterns. The read/write heads of the hard drive access and manipulate the data on these platters, making them an essential part of the hard drive's functioning.Rate this question:
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- 9.
Protocol ensures that
- A.
A hard drive runs smoothly.
- B.
A display or printer reproduces color accurately.
- C.
A display or printer generates a clear image.
- D.
Computers can exchange data.
Correct Answer
D. Computers can exchange data.Explanation
Protocol ensures that computers can exchange data. Protocol refers to a set of rules and guidelines that govern the communication between computers or devices in a network. It establishes the standards for data formatting, transmission, and error handling, allowing different computers to understand and interpret the data being exchanged. Without protocols, computers would not be able to effectively communicate with each other, hindering data exchange and collaboration between devices.Rate this question:
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- 10.
A packet is
- A.
A computer memory module.
- B.
A unit of 210 a unit of 2^10 bytes.
- C.
A piece of data sent over the Net.
- D.
A picture element in a display.
Correct Answer
C. A piece of data sent over the Net.Explanation
The correct answer is "a piece of data sent over the Net." This answer is correct because a packet is a unit of data that is transmitted over a network. In computer networking, data is divided into small packets before being sent over the network, and these packets are reassembled at the receiving end to recreate the original data. Therefore, a packet is specifically associated with the process of transmitting data over a network, making this answer the most accurate.Rate this question:
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- 11.
The main microprocessor in a computer is located
- A.
On the motherboard.
- B.
In the external hard drive.
- C.
In the memory chip.
- D.
In the power supply.
Correct Answer
A. On the motherboard.Explanation
The main microprocessor in a computer is located on the motherboard because the motherboard is the main circuit board that connects all the components of the computer together. The microprocessor, also known as the central processing unit (CPU), is the brain of the computer and performs most of the calculations and operations. It needs to be directly connected to the motherboard to communicate with other components such as memory, storage, and input/output devices. Placing the microprocessor on the motherboard ensures efficient communication and coordination between all the computer's components.Rate this question:
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- 12.
Cross-referencing among Web pages is done with
- A.
Digital signal processing.
- B.
An analog-to-digital converter.
- C.
Internet relay chat.
- D.
Hypertext links.
Correct Answer
D. Hypertext links.Explanation
Cross-referencing among web pages is done with hypertext links. Hypertext links are clickable elements on a webpage that allow users to navigate to other webpages or different sections within the same webpage. These links are an essential component of the World Wide Web, enabling the interconnectedness of web pages and facilitating easy access to related information. By clicking on a hypertext link, users can quickly jump to another webpage or location, enhancing the overall browsing experience and providing a seamless way to navigate the vast amount of information available on the internet.Rate this question:
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- 13.
Web page addresses usually begin with the letters “http,” which signifies a form of
- A.
Digital signal processing.
- B.
Protocol.
- C.
Modem configuration.
- D.
Color rendition.
Correct Answer
B. Protocol.Explanation
Web page addresses usually begin with the letters "http," which stands for Hypertext Transfer Protocol. This protocol is used for transmitting and receiving information on the internet. It defines how data is formatted and transmitted between web servers and web browsers. Therefore, the correct answer is protocol.Rate this question:
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- 14.
A telephone modem contains
- A.
An internal CR-R or CD-RW drive.
- B.
A microprocessor.
- C.
An A/D converter.
- D.
An image resolver.
Correct Answer
C. An A/D converter.Explanation
A telephone modem is a device that allows computers to transmit data over telephone lines. It needs to convert analog signals from the telephone line into digital signals that the computer can understand. This is done by an A/D converter, which stands for analog-to-digital converter. The A/D converter takes the analog signals from the telephone line and converts them into digital signals that can be processed by the microprocessor in the modem. Therefore, the correct answer is an A/D converter.Rate this question:
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- 15.
An advantage of a flatbed scanner over a feedthrough scanner is the fact that
- A.
A flatbed scanner can be combined with a fax machine, but a feedthrough scanner cannot.
- B.
A flatbed scanner can be used to scan magazines or books intact, but a feedthrough scanner cannot.
- C.
A flatbed scanner can reproduce color drawings and photographs, but a feedthrough scanner cannot.
- D.
A flatbed scanner takes up less desktop space than a feedthrough scanner.
Correct Answer
B. A flatbed scanner can be used to scan magazines or books intact, but a feedthrough scanner cannot.Explanation
A flatbed scanner can be used to scan magazines or books intact because it has a flat surface where the document can be placed. This allows for the entire document to be scanned without the need to separate or manipulate the pages. On the other hand, a feedthrough scanner requires the document to be fed through a small slot, which makes it difficult to scan larger or thicker items like books or magazines without damaging them. Therefore, the advantage of a flatbed scanner over a feedthrough scanner is the ability to scan larger or thicker items without any damage or manipulation.Rate this question:
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- 16.
Which of the following types of external storage provide the fastest access time, provided nosoftware conflicts occur?
- A.
A magnetic tape drive
- B.
A CD-R or CD-RW drive
- C.
A flash memory module
- D.
An external hard drive
Correct Answer
C. A flash memory moduleExplanation
A flash memory module provides the fastest access time among the given options. Flash memory is a type of non-volatile storage that can be electrically erased and reprogrammed. It has no moving parts, which allows for faster data access compared to magnetic tape drives, CD-R or CD-RW drives, and external hard drives. Flash memory also has a high data transfer rate, making it ideal for applications that require quick access to data.Rate this question:
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- 17.
Which of the following is a serial-access medium?
- A.
Magnetic tape
- B.
A diskette
- C.
A hard drive
- D.
A CD-R or CD-RW
Correct Answer
A. Magnetic tapeExplanation
A magnetic tape is a serial-access medium because it stores data in a linear manner. To access a specific piece of data, the tape must be sequentially read or rewound until the desired location is reached. This makes it a slower medium compared to others listed, such as a diskette, hard drive, or CD-R/CD-RW, which are all random-access mediums that allow for faster and direct access to data.Rate this question:
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- 18.
Which of the following character strings represents the proper format for an e-mail address?
- A.
Http://www.sciencewriter.net
- B.
Www.mcgraw-hill.com
- C.
Blackhills.com
- D.
None of the above
Correct Answer
D. None of the aboveExplanation
None of the given character strings represents the proper format for an e-mail address. An e-mail address should have the format "[email protected]" or "[email protected]". The given options do not include the "@" symbol or the proper domain format. Therefore, none of the options are correct.Rate this question:
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- 19.
Which of the following devices is best suited for animated graphics work involving fastmotion, such as high-end gaming?
- A.
A laser printer
- B.
An external hard drive or flash memory module
- C.
Hypertext transfer protocol
- D.
A display that does not use interlacing
Correct Answer
D. A display that does not use interlacingExplanation
A display that does not use interlacing is best suited for animated graphics work involving fast motion, such as high-end gaming. Interlacing is a technique used in some displays where every other line of the image is displayed at a time, which can result in motion blur and reduced image quality. A display that does not use interlacing will provide smoother and clearer animations, making it ideal for fast motion graphics work.Rate this question:
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- 20.
A thermal printer might be an ideal choice for
- A.
A salesperson who is on the road.
- B.
Someone working with animated graphics.
- C.
An author who needs to print a huge text document.
- D.
A photographer who needs top-quality color printouts.
Correct Answer
A. A salesperson who is on the road.Explanation
A thermal printer would be an ideal choice for a salesperson who is on the road because it is portable and lightweight. Thermal printers use heat to transfer ink onto paper, eliminating the need for ink cartridges or ribbons. This makes them convenient for mobile use as they require less maintenance and are less bulky compared to other types of printers. Additionally, thermal printers can print quickly, which is beneficial for a salesperson who may need to print documents or receipts on the go.Rate this question:
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- 21.
The abbreviation FTP stands for:
- A.
Fast Text Packet.
- B.
File Transfer Protocol.
- C.
Frequency/Time Processing.
- D.
Federal Trade Program.
Correct Answer
B. File Transfer Protocol.Explanation
FTP stands for File Transfer Protocol. This is a standard network protocol used to transfer files from one host to another over a TCP-based network, such as the internet. It provides a simple and efficient way to transfer files, allowing users to upload, download, and manage files on remote servers. The other options, Fast Text Packet, Frequency/Time Processing, and Federal Trade Program, do not accurately represent the abbreviation FTP in the context of computer networking.Rate this question:
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- 22.
An asset of a dot-matrix printer is:
- A.
Low operating cost.
- B.
Excellent image detail.
- C.
Resemblance to a photocopy machine.
- D.
Compatibility with most modems.
Correct Answer
A. Low operating cost.Explanation
The correct answer is low operating cost. This means that using a dot-matrix printer is cost-effective in terms of maintenance and consumables. Unlike other types of printers, dot-matrix printers use inexpensive ink ribbons and have fewer parts that need to be replaced regularly, resulting in lower operating expenses. This makes them a more affordable option for businesses or individuals who print frequently or in large volumes.Rate this question:
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- 23.
When computer data is sent over long-distance telephone circuits, the digital highs and lows are generally represented by:
- A.
Audio tones.
- B.
A series of clicks.
- C.
Positive and negative direct currents.
- D.
Pixels.
Correct Answer
A. Audio tones.Explanation
When computer data is sent over long-distance telephone circuits, it is generally represented by audio tones. These audio tones are used to encode the digital highs and lows of the data. The tones can be of different frequencies and durations, which allows for the transmission of the binary information. This method of representing data is commonly used in technologies such as modems, where the audio tones are converted back into digital data at the receiving end.Rate this question:
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Mar 21, 2023Quiz Edited by
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Dec 06, 2010Quiz Created by
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