Test Ptd 9 Grade

A radio is a peripheral of telecommunications that can only function by using an antenna. It receives and transmits radio waves, allowing for the transmission of audio signals over long distances. Kentongan, Semaphore, and Buzzer are not specifically associated with telecommunications or the need for an antenna to function.

Semaphores are a form of communication using a small flag with two hands. They are commonly used to transmit messages over long distances, especially in maritime settings. By using different positions and movements of the flag, specific messages can be conveyed. This method is effective in situations where sound or light-based communication is not feasible or practical. Braille, on the other hand, is a tactile writing system used by individuals with visual impairments, and it is not related to flag communication.

The keyboard is a peripheral input device used to input data into a computer. It allows users to enter both alphabetic and numeric data by pressing keys. This makes it the most suitable option among the given choices, as floppy discs and compact discs are storage devices, and scanners are used to convert physical documents into digital format. Therefore, the keyboard is the correct answer for the input of alphabetic and numeric data.

A home alarm system is designed to secure the house by providing protection against unauthorized entry or burglary. It typically includes sensors, alarms, and monitoring systems that detect and alert homeowners or security personnel about any potential threats or breaches in the security of the house. This helps to deter intruders and provides peace of mind to the residents, ensuring the safety and security of their home.

The given list includes traditional communication tools such as facsimile, pager, and phone. However, "bedug" is not a traditional communication tool but rather a large drum used in Indonesian culture for religious ceremonies and announcements. Therefore, "bedug" does not belong to the list of traditional communication tools.

FM stands for Frequency Modulation, which is a type of radio broadcasting that uses frequency modulation to transmit audio signals. The given frequency range of 88-108 MHz is commonly used for FM radio broadcasts. AM, on the other hand, stands for Amplitude Modulation, which uses amplitude modulation to transmit audio signals and operates at different frequency ranges. Therefore, the correct answer is FM.

The function of an Infocus or LCD projector is to present the output of a computer on a screen. This means that it allows the user to display the content from their computer, such as presentations, videos, or images, on a larger screen for a larger audience to view. It is a useful tool for presentations, meetings, or any situation where the computer output needs to be shared with a larger group.

The process at the operational system of a computer takes place at the CPU. The CPU, or Central Processing Unit, is responsible for executing instructions and performing calculations in a computer. It is often referred to as the "brain" of the computer as it carries out the majority of the computer's tasks. The CPU interacts with other components such as memory, input/output devices, and storage devices to process and execute instructions.

Pilots in airplanes use electro-magnetic waves to communicate with officers at the airport. This is because electro-magnetic waves, such as radio waves, are able to travel long distances and can penetrate obstacles like buildings and mountains. They are also able to carry a large amount of information, making them an ideal medium for communication between airplanes and the ground. Additionally, electro-magnetic waves are easily transmitted and received by the equipment used by pilots and officers, making them a reliable choice for communication in aviation.

The correct answer is giving information because signal communication objectives typically involve transmitting or conveying information to the intended recipient. This can include sharing facts, data, instructions, or any other type of relevant information that needs to be communicated effectively. Giving jobs, giving goals, and giving thought are not specific objectives of signal communication.

A blind person can get written information through Braille letters. Braille is a system of raised dots that can be felt with the fingertips. Each letter of the alphabet, as well as numbers and punctuation marks, is represented by a specific arrangement of dots. By running their fingers over the Braille letters, a blind person can read and understand the written information. This allows them to access books, documents, and other written materials independently.

RAM stands for Random Access Memory. It is a type of computer memory that allows data to be read from or written to in any order, hence the term "random access". Unlike ROM (Read-Only Memory) which is non-volatile and cannot be modified, RAM is volatile and can be both read from and written to. It is used by the computer to store data that is currently being used or processed, providing fast and temporary storage for programs and data. Therefore, RAM is the correct answer as it is specifically designed for random access and temporary storage of data.

The correct arrangement of the development of permanent machines from old to modern is 1-3-2-4.

The correct answer is "Input -> Process -> Output" because in a laboring system, the input is processed in some way and then produces an output. This sequence represents the logical flow of how a system operates, where the input is transformed or manipulated through a process to generate an output.

MMS stands for Multimedia Messaging Service, which allows users to send multimedia content such as pictures, videos, and audio files through mobile networks. Unlike SMS (Short Message Service) which only supports text messages, MMS enables the transmission of rich media content. This makes MMS a suitable option for users who want to share multimedia files with others using their mobile devices.

The correct answer is ISP. ISP stands for Internet Service Provider, which refers to companies that offer services related to internet connection. ISPs provide individuals and businesses with access to the internet through various technologies such as broadband, fiber optics, or wireless connections. They also offer additional services like email accounts, web hosting, and virtual private networks (VPNs). ISPs play a crucial role in connecting users to the internet and ensuring reliable and fast internet connectivity.

The given options list traditional communication tools, and all of them except for the pager are considered traditional. Bells, gongs, and smoke signals have been used for communication in various cultures and time periods. However, pagers are a more modern invention and are not typically associated with traditional forms of communication.

Megaphones are devices that amplify sound and are typically used to project the voice over a large distance. They do not require any specific medium such as cable, satellite, or fiber optic to transmit sound. Instead, they rely on the air as the medium through which the sound waves travel. When someone speaks into a megaphone, the sound waves are converted into amplified sound waves that travel through the air and reach a larger audience. Therefore, the correct answer is air.

The correct answer is "will turn off automatically after 20 minutes of usage the fan." This is because Andi has set a timer for 20 minutes, indicating that the fan will run for that duration and then automatically shut off.

The correct answer is "Electrics" because when energy is brought through a telephone set, it is in the form of electrical signals. The telephone set converts sound waves into electrical signals that can be transmitted through the telephone lines.

The correct answer is "comunicare." This is because "comunicare" is the Latin word that directly translates to "communication" in English.

Kentongan is a traditional Indonesian communication device made of bamboo. It is a simple device used for long-distance communication by creating sound signals. Unlike cellphone, phone, and computer which are modern electronic devices, kentongan does not require any electricity or complex technology to function. Therefore, kentongan can be considered a simple communication device compared to the other options provided.

Communicating with signals media such as light, smoke, and flags refers to the process of transmitting messages or information through these mediums. These signals are used as a form of communication to convey a specific meaning or message to the intended recipient. By utilizing signals, individuals can effectively communicate over long distances or in situations where verbal or written communication may not be possible or practical. Therefore, the term "communication signal" accurately describes this method of transmitting information through various signal mediums.

The correct answer is "Hobby Horse." The development of the bicycle occurred in various countries, and in Scotland, Kirk Patrick Macmillan is credited with creating a bike known as the Hobby Horse. This early bicycle design consisted of a wooden frame with two wheels and a handlebar, but it did not have pedals. Riders would propel themselves forward by pushing off the ground with their feet. The Hobby Horse played a significant role in the evolution of bicycles and paved the way for future designs with improved features such as pedals.

The main components used in the first-generation computer (ENIAC) were vacuum tubes. Vacuum tubes were used as electronic switches to control the flow of electricity in the computer. They were large and fragile, and often burned out, requiring frequent replacements. Vacuum tubes were eventually replaced by transistors in later generations of computers, as transistors were smaller, more reliable, and more efficient.

HTML stands for Hypertext Markup Language, which is the programming language used to create web pages. It is the standard language for creating the structure and content of a webpage. HTML uses a series of tags to define the elements and layout of a webpage, such as headings, paragraphs, images, links, and more. It is not a programming language in the traditional sense, but rather a markup language that is interpreted by web browsers to display the content of a webpage.

Fiber optics is the correct answer because it is a communication media that uses light as its data conductor. Unlike other options such as air, cable, and electromagnetic waves, fiber optics specifically refers to the use of thin strands of glass or plastic to transmit data through pulses of light. This technology allows for high-speed and long-distance communication, making it ideal for various applications such as internet connections, telecommunication networks, and data transmission.

The correct answer is Nicholas Cugnot. He is credited with creating the first self-propelled vehicle with a steam engine, known as the Fardier à vapeur, in 1769. This vehicle was essentially a large tricycle with a boiler and steam engine attached to it. Cugnot's invention laid the foundation for the development of the modern automobile and is considered a significant milestone in automotive history.

The given list consists of words related to different types of devices or technologies. "Bell electrics" seems to be the odd one out as it does not fit into the category of devices or technologies. The other words in the list, such as "Handphone," "Radio," and "Television," are all examples of devices, while "Bell electrics" does not fit this pattern. Therefore, "Bell electrics" is the correct answer.

Paul Nipkow is the correct answer because he is credited with inventing the Nipkow disk, which was a key component in the development of early television technology. The Nipkow disk was a rotating disk with a series of holes arranged in a spiral pattern, which allowed for the scanning and transmission of images. This invention laid the foundation for the development of television as we know it today.

When communicating an important message, it should be clear. Clear communication ensures that the message is easily understood by the recipient, minimizing any confusion or misinterpretation. A clear message is concise, specific, and free from any ambiguity. It conveys the intended meaning effectively, allowing the recipient to grasp the information easily and take appropriate actions if necessary. Clear communication is crucial in ensuring that important messages are received and understood accurately, leading to effective communication and successful outcomes.

The correct answer is wireless because it is the only option that is a communication medium without the need for physical cables, antennas, or fiber optic cables. Wireless communication allows for the transmission of data and information through the airwaves, using technologies such as Wi-Fi, Bluetooth, or cellular networks.

A printer is categorized as a "hard copy of device" because it is a peripheral device that produces a physical copy of electronic documents or images. Unlike a "soft copy of device" which refers to electronic files that can be viewed on a screen, a printer creates a tangible, printed version of the digital content. It is not classified as a "device driver" as that term refers to software that allows the operating system to communicate with a hardware device. Additionally, a printer is not an "input device" as it does not accept data or instructions from the user.

To open the screw hooks, they should be rotated counterclockwise. This means turning the hooks in a direction opposite to the clockwise direction. By rotating the hooks counterclockwise, they will loosen and become easier to remove. This is the correct method for opening screw hooks and should be followed to avoid damaging the hooks or the surface they are attached to.

At the output step, the energy that is produced is generated through mechanic movement. This means that some kind of mechanical system or device is converting one form of energy into another, such as a generator converting mechanical energy into electrical energy. The other options mentioned, such as electrics, eye saw, and consumer, do not accurately describe the type of energy being produced at the output step.

The connection below is referred to as an indirect connection because it is not a direct or straightforward link. In an indirect connection, there may be intermediaries or multiple steps involved in establishing the connection between two entities. This implies that there is an indirect or circuitous route taken to establish the connection, rather than a direct or immediate one.

The correct answer is DNS. DNS stands for Domain Name System, which is the system used for naming the URL address. It translates domain names into IP addresses, allowing users to access websites by typing in the domain name instead of the numerical IP address. DNS helps in the efficient and organized functioning of the internet by providing a hierarchical naming system.

Cable is the correct answer because it is a type of media that is commonly used for facsimile communication. Facsimile, also known as fax, involves the transmission of scanned printed material over a telecommunications link. Cable provides a reliable and secure connection for transmitting fax data, making it a suitable choice for this type of communication.

not-available-via-ai

The correct answer is "String" because a string telephone is a simple communication device that uses a string or wire to transmit sound vibrations from one end to the other. It is a form of conductor transmission media where the string acts as the medium for transmitting the sound waves. The vibrations travel along the string and allow communication between two people who are at a distance from each other.

not-available-via-ai

The correct answer is "letter knob / number". This suggests that the items brought at the input step of bend show the operational system is related to selecting letters or numbers.

not-available-via-ai

Morse code is a method of communication that uses sound signals to transmit messages. It is a system in which different combinations of short and long signals, or "dots" and "dashes," represent letters and numbers. These signals are typically produced by audio devices such as telegraph machines or by tapping on a surface. Therefore, sound is the correct answer as it accurately describes the communication method used in Morse code.

One of the traditional communication characteristics is indirect communication. In traditional forms of communication, people often relied on non-verbal cues, gestures, and subtle hints to convey their message. This indirect approach allowed for more nuanced and layered communication, where the meaning behind the words was often as important as the words themselves. It required the listener to pay close attention to the context and subtext of the conversation in order to fully understand the message being conveyed.