1.
An IP address is best defined as...
Correct Answer
A. An IP Address is a unique number consisting of 4 parts separated by dots (eg: 217.247.84.89) asociated with every system connected to a network
Explanation
An IP address is a unique number consisting of 4 parts separated by dots, such as 217.247.84.89. It is associated with every system connected to a network. This address is used to identify and locate devices on a network, allowing them to communicate with each other. It is not related to being an Internet Provider Address or measuring the location of internet packets on a network. Therefore, the correct answer is that an IP address is a unique number associated with every system connected to a network.
2.
Malware is best defined as...
Correct Answer
C. Software designed to infiltrate or damage a computer system without the owner's informed consent.
Explanation
Malware is software that is specifically designed to infiltrate or damage a computer system without the owner's informed consent. It may include various types of malicious programs such as viruses, worms, Trojans, ransomware, spyware, adware, and more. Unlike antivirus software that protects the operating system from viruses, malware is intended to harm or exploit the system and its data. Therefore, the correct answer is software designed to infiltrate or damage a computer system without the owner's informed consent.
3.
Which one of the following best defines the term Operating System?
Correct Answer
D. All of the above.
Explanation
The term "Operating System" is best defined as all of the above options. The operating system is a software that allows computer users to run applications with the hardware of a specific system. It is also the master control program that manages a computer's internal functions and provides control over its operations and file system. Additionally, it manages the hardware and software interface of a computer. Therefore, all the given options accurately describe different aspects of an operating system.
4.
Which one is not an output device?
Correct Answer
D. Keyboard
Explanation
The keyboard is an input device, not an output device. It is used to input data and commands into a computer system. In contrast, a printer is an output device that produces hard copies of documents or images. A monitor is also an output device that displays visual information. A modem is a device that connects a computer to the internet, but it is not directly involved in outputting data.
5.
One MB is equal to...
Correct Answer
D. 1024KB
Explanation
One megabyte (MB) is equal to 1024 kilobytes (KB). This is because in the binary system, each kilobyte is equal to 1024 bytes, and a megabyte is equal to 1024 kilobytes. Therefore, the correct answer is 1024KB.
6.
Select the 3 graphics files from the list below.
Correct Answer(s)
B. Untitled.jpg
C. Untitled.bmp
E. Untitled.tiff
Explanation
The question asks for the selection of three graphics files from the given list. The correct answer includes untitled.jpg, untitled.bmp, and untitled.tiff. These file extensions (.jpg, .bmp, .tiff) are commonly used for storing graphics and images, indicating that they are likely the correct choices for graphics files.
7.
Select the URL from the list below.
Correct Answer
B. Http://www.yahoo.com
Explanation
The correct answer is http://www.yahoo.com because it is the only option that is a valid URL. The other options are an email address, a file path, and an IP address, which are not URLs.
8.
Which of the following programs is not an email client?
Correct Answer
C. Mozilla Firefox
Explanation
Mozilla Firefox is not an email client. It is a web browser developed by Mozilla Foundation. While Microsoft Outlook 2003, Windows Live Mail, and Outlook Express 6 are all email clients used for sending, receiving, and managing emails.
9.
A modem is best defined as...
Correct Answer
A. A device that allows you to connect your PC to to an internet service.
Explanation
A modem is a device that enables a computer to connect to the Internet by converting digital signals from the computer into analog signals that can be transmitted over telephone lines or other communication channels. It allows the computer to communicate with an Internet service provider, establish a connection, and access the Internet.
10.
What is the shortcut for PASTE?
Correct Answer
B. Ctrl + V
Explanation
The correct answer is Ctrl + V. This keyboard shortcut is commonly used to paste copied content. By pressing the Ctrl key and the V key simultaneously, users can quickly paste text, images, or other content that has been previously copied or cut. This shortcut is widely supported in various software applications and operating systems, making it a convenient and efficient way to transfer information.
11.
Which is not an operating system?
Correct Answer
C. MS-Word
Explanation
MS-Word is not an operating system. It is a word processing software developed by Microsoft. Operating systems, on the other hand, are software that manage computer hardware and software resources, providing common services for computer programs. DOS, Windows, and LINUX are all examples of operating systems.
12.
The brain of the computer. This part does the calculation, moving and processing of information.
Correct Answer
A. CPU
Explanation
The CPU, or Central Processing Unit, is often referred to as the brain of the computer because it is responsible for performing calculations, moving data, and processing information. It is the main component that executes instructions and carries out tasks in a computer system. The CPU is responsible for executing program instructions, performing mathematical calculations, and managing the flow of data between different components of the computer. Without the CPU, a computer would not be able to function and perform tasks efficiently.
13.
What does "www" stand for?
Correct Answer
C. World Wide Web
Explanation
The term "www" stands for World Wide Web. This is the network of websites and webpages that are accessible through the internet. It is a system of interconnected documents and resources that can be accessed using a web browser. The World Wide Web revolutionized the way information is shared and accessed, making it easier for people around the world to connect and communicate.
14.
What is this computer component?
Correct Answer
D. Network Interface Card
Explanation
A Network Interface Card (NIC) is a computer component that allows a computer to connect to a network. It provides the necessary hardware to enable communication between the computer and other devices on the network. NICs are commonly used to connect computers to local area networks (LANs) or to the internet. They typically have an Ethernet port that allows for wired connections, but can also support wireless connections through Wi-Fi. NICs are essential for accessing and transferring data over a network, making them a crucial component for network connectivity.
15.
What is this computer component?
Correct Answer
B. CPU
Explanation
The correct answer is CPU. The CPU, or Central Processing Unit, is a vital component of a computer that carries out instructions and performs calculations. It is often referred to as the "brain" of the computer as it controls and coordinates all the other hardware components. RAM, Hard Disk, and Motherboard are also important components, but they serve different functions in the overall functioning of a computer.
16.
What is this computer component?
Correct Answer
C. Chassis
Explanation
The correct answer is chassis. A computer chassis refers to the physical case that houses all the internal components of a computer. It provides structural support and protection for the components, as well as housing the power supply, storage drives, and other peripherals. The chassis also typically includes ports and connectors for external devices such as USB and audio.
17.
What is this device?
Correct Answer
B. Wireless Router
Explanation
A wireless router is a device that allows multiple devices to connect to a network wirelessly. It acts as a central hub, transmitting data between the internet and devices such as smartphones, laptops, and smart home devices. It creates a Wi-Fi network, enabling users to access the internet without the need for physical cables. This device is commonly used in homes and offices to provide internet connectivity to multiple devices simultaneously.
18.
What is the function of this device?
Correct Answer
C. It is used to store large amounts of data in a computer system, data is retained on this device even when the computer is turned off.
Explanation
The correct answer is "It is used to store large amounts of data in a computer system, data is retained on this device even when the computer is turned off." This answer accurately describes the function of a storage device, which is to store data in a computer system and retain it even when the computer is powered off.
19.
This is a measurement of speed over a network.
Correct Answer
D. Megabits per second.
Explanation
The correct answer is Megabits per second. Megabits per second is a unit of measurement commonly used to quantify the speed of data transfer over a network. It refers to the number of megabits (Mb) that can be transmitted in one second. This unit is widely used because it provides a more accurate representation of network speed compared to other options such as megabytes or bits. Megahertz, on the other hand, is a unit of frequency and not applicable in this context.
20.
Bandwidth
Correct Answer
B. A measurement of how much information can be carried in a given time period (usually a second) over a wired or wireless communications link.
Explanation
Bandwidth refers to the measurement of how much information can be carried in a given time period, typically a second, over a wired or wireless communications link. It is not related to the speed at which data can be transferred from the server to the client or a unit of information or computer storage equal to one billion bytes. The correct answer describes the concept accurately, highlighting the capacity of a communications link to transmit information within a specific time frame.
21.
Download
Correct Answer
D. When data is received on your PC. This includes, but is not limited to, viewing webpages, receiving e-mail, watching videos, getting movies, getting music and email attachments.
22.
Ping
Correct Answer
B. A computer network tool used to test whether a particular host is reachable across an IP network; it is also used to self test the Network Interface Card (NIC) of the computer.
Explanation
Ping is a computer network tool used to test the reachability of a specific host across an IP network. It sends a small packet of data to the host and waits for a response. If the host responds, it indicates that the host is reachable. Ping is also used to self-test the Network Interface Card (NIC) of the computer, ensuring that it is functioning properly. Therefore, the given answer accurately describes the purpose and functionality of Ping.
23.
Which operating system was the successor to Windows 98?
Correct Answer
C. Windows ME
Explanation
Windows ME, also known as Windows Millennium Edition, was the successor to Windows 98. It was released by Microsoft in the year 2000 and was intended for home users. Windows ME included various improvements and updates compared to Windows 98, such as enhanced multimedia capabilities, improved system restore functionality, and better support for digital devices. However, it was not as stable or well-received as its predecessor, and it was eventually replaced by Windows XP.
24.
Which of the following is not an internet browser?
Correct Answer
D. Thunderbird
Explanation
Thunderbird is not an internet browser. It is actually an email client developed by Mozilla, which allows users to manage their emails and accounts. While Safari, Firefox, and Opera are all popular internet browsers used to access and navigate the internet, Thunderbird serves a different purpose by providing email services.
25.
The internet was invented by
Correct Answer
B. The US Department of Defense
Explanation
The correct answer is the US Department of Defense. The internet was originally developed by the US Department of Defense's Advanced Research Projects Agency (ARPA) in the 1960s. It was initially created as a means of communication and data transfer between different computers and research institutions. The project, known as ARPANET, laid the foundation for the modern internet that we use today. Bill Gates, Steve Jobs, and Albert Einstein are not directly associated with the invention of the internet.