1.
What is this?
Correct Answer
A. RCA/coaxial Cable
Explanation
The correct answer is RCA/coaxial Cable. This type of cable is commonly used to transmit audio and video signals between devices such as televisions, DVD players, and sound systems. It has a distinct round connector with a pin in the center, which helps ensure a secure and stable connection. The RCA/coaxial Cable is designed to carry analog signals and is known for its high-quality transmission. It is widely used in home entertainment systems and professional audio/video setups.
2.
What is this?
Correct Answer
C. CPU
Explanation
The question is asking to identify what the given item is, and the correct answer is CPU. CPU stands for Central Processing Unit, which is the main component of a computer responsible for executing instructions and performing calculations. It is often referred to as the "brain" of the computer, as it carries out all the necessary operations to run the system and execute tasks.
3.
What is this?
Correct Answer
C. External modem
Explanation
An external modem is a device that connects a computer to the internet or other remote networks through a telephone line or cable. It is called "external" because it is a separate device that is connected to the computer through a cable, rather than being built into the computer like an internal modem. This allows for easy installation and removal of the modem, as well as the ability to use it with multiple computers.
4.
What is this?
Correct Answer
A. Flash drive
Explanation
A flash drive is a small portable storage device that uses flash memory to store and transfer data. It is often used to store and transfer files between computers, as it is small, lightweight, and easily portable. Unlike a hard drive, which is a larger and more permanent storage device found within a computer, a flash drive can be easily plugged into a USB port and accessed on multiple devices. A modem, on the other hand, is a device that connects a computer to the internet.
5.
What is this?
Correct Answer
A. Floppy drive
Explanation
This is a floppy drive.
6.
What is this?
Correct Answer
B. Hard drive
Explanation
A hard drive is a data storage device that uses magnetic storage to store and retrieve digital information. It is a non-volatile storage medium, meaning that it retains data even when power is turned off. Unlike floppy drives and flash drives, hard drives are typically larger in size and have a higher storage capacity. Therefore, the correct answer is hard drive.
7.
What is this?
Correct Answer
C. Audio plug
Explanation
The given options are ethernet cable, USB plug, and audio plug. Out of these options, the correct answer is audio plug. An audio plug is a connector used to transmit audio signals between devices such as headphones, speakers, or microphones. It is commonly used in audio equipment and has specific characteristics that differentiate it from other types of plugs.
8.
What is this?
Correct Answer
B. Keyboard
Explanation
The question is asking for the identification of the given object. The options provided are mouse, keyboard, and hard drive. Among these options, the correct answer is keyboard.
9.
What is this?
Correct Answer
A. Memory
Explanation
The given answer "memory" is the correct option as it accurately describes the object being referred to. Memory refers to the internal storage component of a computer or electronic device where data and instructions are stored for processing. It is a fundamental part of any computer system and is responsible for storing and retrieving information.
10.
What is this?
Correct Answer
A. MicropHone
Explanation
The given options are microphone, mouse, and monitor. The correct answer is microphone.
11.
What is the pink jack for?
Correct Answer
A. MicropHone
Explanation
The pink jack is used for connecting a microphone. This type of jack is commonly found on audio devices and allows the user to input audio from a microphone into the device. It is designed specifically for microphone use and ensures proper audio input and recording quality.
12.
What is the green jack for?
Correct Answer
B. Audio out
Explanation
The green jack is used for audio out. This means that it is used to connect external speakers or headphones to the device in order to listen to audio output.
13.
What is the blue jack for?
Correct Answer
C. Audio in
Explanation
The blue jack is used for audio input. This means that it is used to connect external devices such as microphones or other audio sources to the device in order to record or input audio.
14.
What is this?
Correct Answer
A. Internal modem
Explanation
An internal modem refers to a device that is installed inside a computer system and is used to connect to the internet or other remote networks. It is integrated into the motherboard of the computer and does not require any external cables or connections. This allows for a more streamlined and compact setup. Unlike an external modem, which needs to be connected to the computer via cables, an internal modem is directly connected to the computer's internal components.
15.
What is this?
Correct Answer
B. Monitor
Explanation
The given options are computer, monitor, and CPU. The question asks for the identification of an object, and the correct answer is "monitor." This suggests that the object being referred to is a monitor, which is a common peripheral device used to display visual output from a computer.
16.
What is this?
Correct Answer
B. Motherboard
Explanation
The given options are external hard drive, motherboard, and external modem. The correct answer is motherboard because it is a component of a computer that connects all the other hardware components together, such as the processor, memory, and storage devices. An external hard drive and external modem are separate devices that connect to the computer but are not integral parts of the computer's internal system.
17.
What is this?
Correct Answer
C. Mouse
Explanation
The given question is asking for the identification of an object. Out of the options provided (keyboard, monitor, mouse), the correct answer is "mouse".
18.
What is this?
Correct Answer
B. Optical drive
Explanation
The correct answer is optical drive because the question is asking for the identification of an object, and out of the given options, the optical drive is the most suitable choice. A motherboard is a component inside a computer, and a mouse is an input device, while an optical drive is a device used to read and write data from optical discs such as CDs or DVDs.
19.
What is this?
Correct Answer
C. Portable external hard drive
Explanation
A portable external hard drive is a device used to store and transfer data. It is different from an internal hard drive as it can be easily disconnected and carried around. It is also different from a flash drive as it typically has a larger storage capacity and is physically larger in size. A portable external hard drive is a convenient option for individuals who need to store and transport large amounts of data between different computers or devices.
20.
What is this?
Correct Answer
C. Power supply
Explanation
The given answer "power supply" is correct because it is one of the essential components of a computer system. The power supply unit (PSU) is responsible for converting the alternating current (AC) from the wall outlet into direct current (DC) that can be used by the computer's internal components. Without a functioning power supply, the computer would not receive the necessary power to operate. Therefore, power supply is the correct answer in this context.
21.
What is the yellow plug for in an RCA plug?
Correct Answer
B. Video
Explanation
The yellow plug in an RCA plug is used for video. RCA plugs are commonly used to connect audio and video components, and the yellow plug specifically carries the video signal. The other options, audio and headphones, are incorrect as they refer to different types of signals that are carried by different colored plugs in an RCA cable.
22.
What are the red and white plugs for on an RCA cord?
Correct Answer
A. Audio
Explanation
The red and white plugs on an RCA cord are used for audio. These plugs are typically used to connect audio devices such as speakers, headphones, or audio receivers to other devices like TVs, DVD players, or gaming consoles. The red plug is for the right audio channel, while the white plug is for the left audio channel. By connecting these plugs, users can transfer audio signals between devices and enjoy sound output.
23.
What is this?
Correct Answer
C. Wireless router
Explanation
The given correct answer is "wireless router." A wireless router is a device that allows multiple devices to connect to the internet wirelessly. It acts as a central hub for internet connectivity in a home or office, transmitting data between the internet and connected devices. Unlike an external hard drive or memory, a wireless router does not store data but rather facilitates internet access.
24.
What is this?
Correct Answer
C. Speakers
Explanation
The given options are microphone, monitor, and speakers. Out of these options, the correct answer is speakers. This suggests that the object being referred to in the question is most likely speakers.
25.
What is this?
Correct Answer
A. Sound card
Explanation
A sound card is a hardware component that allows a computer to output and input audio signals. It is responsible for processing and converting digital audio data into analog signals that can be played through speakers or headphones. It also enables the computer to record audio through a microphone or other input devices. This makes it an essential component for multimedia activities such as gaming, watching videos, or listening to music on a computer.
26.
What is this?
Correct Answer
B. USB cable
Explanation
This question is asking to identify the item depicted in the image. The correct answer is "USB cable." An RCA cable is used to transmit audio and video signals, while an external hard drive is a device used for storing data. The image does not resemble either of these options, but it does depict a USB cable, which is used for connecting various devices to a computer for data transfer or charging purposes.
27.
What is this?
Correct Answer
C. Video card
Explanation
The given question asks for the identification of a specific item. Among the options provided, "video card" is the correct answer. This suggests that the item being referred to in the question is a video card.