1.
A Macintosh computer uses the Windows Operating System.
Correct Answer
B. False
Explanation
The given statement is false because a Macintosh computer does not use the Windows Operating System. Macintosh computers use their own operating system called macOS, which is developed by Apple Inc. Windows Operating System is primarily used on computers manufactured by Microsoft.
2.
A computer system consists of the following four components.
Correct Answer
A. Data, hardware, software, users
Explanation
A computer system consists of data, which refers to the information that is processed and stored by the system. Hardware refers to the physical components of the computer system, such as the central processing unit (CPU), memory, and input/output devices. Software refers to the programs and instructions that tell the hardware how to perform specific tasks. Users are the individuals who interact with the computer system, inputting data, giving commands, and receiving output. Together, these four components work together to enable the functioning of a computer system.
3.
A keyboard is an example of software.
Correct Answer
B. False
Explanation
A keyboard is not an example of software. A keyboard is a physical input device that allows users to input data into a computer or other electronic device. Software, on the other hand, refers to the programs and applications that run on a computer or electronic device. While a keyboard is necessary to interact with software, it is not software itself. Therefore, the statement is false.
4.
An example of an input device is:
Correct Answer
A. Scanner
Explanation
A scanner is an example of an input device because it allows users to input physical documents or images into a computer system. It captures the information from the document or image and converts it into a digital format that can be processed and stored by the computer. This makes it an input device as it enables the transfer of data from an external source to the computer. On the other hand, a monitor is an output device as it displays information from the computer system to the user. Therefore, the correct answer is scanner.
5.
An example of an output device is:
Correct Answer
B. Monitor
Explanation
A monitor is an example of an output device because it displays visual output from a computer or other electronic device. It receives signals from the computer and translates them into images or text that can be viewed by the user.
6.
The brain of the computer is:
Correct Answer
C. Both of these are considered the brain of the computer.
Explanation
Both the processor and the CPU are considered the brain of the computer because they are responsible for executing instructions and performing calculations. The processor is the main component that handles all the tasks and operations of the computer, while the CPU (Central Processing Unit) is the physical chip that houses the processor. Together, they work to process data, control the computer's functions, and perform complex calculations, making them the central and most essential components of the computer's operation.
7.
In most computers the CPU consists of multiple chips.
Correct Answer
B. False
Explanation
In most computers, the CPU does not consist of multiple chips. Instead, the CPU is typically a single chip that contains all the necessary components for processing data and executing instructions. This single chip is often referred to as a microprocessor.
8.
In most computers, the CPU is also referred to as a microprocessor.
Correct Answer
A. True
Explanation
The CPU, or Central Processing Unit, is the main component of a computer that performs most of the processing inside the computer. It is responsible for executing instructions, performing calculations, and managing data flow. In most computers, the CPU is also commonly referred to as a microprocessor, as it is a small chip that contains all the necessary components for processing data. Therefore, the statement "In most computers, the CPU is also referred to as a microprocessor" is true.
9.
The major difference between primary and secondary storage is:
Correct Answer
B. Primary storage only temporarily stores data and secondary storage does store data.
Explanation
The correct answer is that primary storage only temporarily stores data, while secondary storage does store data. Primary storage, also known as main memory or RAM, is used to store data that is actively being used by the computer's processor. It provides fast access to data, but is volatile and loses its contents when the computer is powered off. On the other hand, secondary storage, such as hard drives or solid-state drives, is used for long-term storage of data. It retains data even when the computer is turned off and provides larger storage capacity compared to primary storage.
10.
A hard drive is a primary storage site.
Correct Answer
B. False
Explanation
A hard drive is not a primary storage site. Primary storage refers to the main memory of a computer, which includes RAM (Random Access Memory) and cache memory. A hard drive, on the other hand, is a secondary storage device used for long-term storage of data. It is non-volatile and can store large amounts of data even when the computer is turned off. Therefore, the statement "A hard drive is a primary storage site" is false.
11.
RAM is a primary storage site.
Correct Answer
A. True
Explanation
RAM is a primary storage device that does not store data. When you turn off the computer, the data goes away.
12.
Flash drives are considered secondary storage devices.
Correct Answer
A. True
Explanation
Flash drives are considered secondary storage devices because they are used to store data that is not currently being used by the computer's operating system or applications. Unlike primary storage devices such as RAM, which provide temporary storage for data that is actively being processed, flash drives provide long-term storage for files and data that can be accessed at a later time. Flash drives are portable and can be easily connected to different devices, making them a convenient and popular choice for storing and transferring data.
13.
CDs are primary storage devices.
Correct Answer
B. False
Explanation
CDs are not considered primary storage devices. Primary storage devices are typically internal to a computer and include components such as RAM and cache memory. CDs, on the other hand, are considered secondary storage devices as they are used for long-term storage of data and are not directly accessible by the computer's processor.
14.
This software is used to create tables and charts.
Correct Answer
B. Spreadsheets
Explanation
Spreadsheets are software tools that are commonly used to create tables and charts. They provide a grid-like interface where users can input and manipulate data, perform calculations, and create visual representations such as charts and graphs. Spreadsheets are widely used in various fields, including finance, accounting, and data analysis, as they offer a convenient way to organize and analyze data in a tabular format.
15.
___________________________ are used to visit Web sites on the Internet.
Correct Answer
A. Browsers
Explanation
Browsers are software applications that allow users to access and view websites on the internet. They provide a graphical user interface and interpret the HTML code of websites to display them in a readable format. Browsers also support various features such as bookmarking, tabbed browsing, and downloading files. They are essential tools for navigating the internet and accessing online content.
16.
PowerPoint is an example of presentation software.
Correct Answer
A. True
Explanation
PowerPoint is indeed an example of presentation software. It is a widely used software developed by Microsoft that allows users to create and present slideshows, incorporating text, images, charts, and multimedia elements. With its user-friendly interface and various features, PowerPoint has become a popular tool for creating professional and engaging presentations.
17.
Utility software is commonly used for security.
Correct Answer
A. True
Explanation
Utility software is commonly used for security because it includes various tools and programs that help protect computer systems from threats such as viruses, malware, and unauthorized access. These security features may include antivirus software, firewalls, encryption tools, and secure file deletion utilities. By using utility software, users can enhance the security of their systems and protect their data from potential attacks or breaches.
18.
A LAN is used to connect computers in different cities.
Correct Answer
B. False
Explanation
A LAN (Local Area Network) is a network that connects computers within a limited geographic area, such as a building or a campus. It is designed to facilitate communication and resource sharing among devices in close proximity. Therefore, it is not used to connect computers in different cities, but rather for local connections.
19.
A NAW is used to connect computers in different cities.
Correct Answer
B. False
Explanation
A NAW (Network Access Wan) is not used to connect computers in different cities. A NAW is a type of network device used to connect a local area network (LAN) to a wide area network (WAN). It provides access to the WAN for the devices on the LAN. However, to connect computers in different cities, a wide area network (WAN) technology such as leased lines, MPLS (Multiprotocol Label Switching), or the internet would be used. Therefore, the statement is false.
20.
A WAN is used to connect computers in different cities.
Correct Answer
A. True
Explanation
A WAN (Wide Area Network) is a type of network that is used to connect computers and other devices that are located in different cities or even countries. It provides a long-distance communication infrastructure and allows for the sharing of resources and information between these remote locations. Therefore, the statement that a WAN is used to connect computers in different cities is true.
21.
Which of the following is a disadvantage of a broadband Internet connection?
Correct Answer
C. Vulnerable to viruses.
Explanation
A broadband Internet connection is advantageous as it provides a continuous connection to the Internet and offers fast connection speeds. However, one of its disadvantages is that it is more vulnerable to viruses. This is because the continuous connection increases the exposure to potential threats, making it easier for viruses to infiltrate the system. Therefore, users with a broadband connection need to be more cautious and implement proper security measures to protect their devices from viruses and other malicious software.
22.
Dial-up Internet connections have fast connection rates.
Correct Answer
B. False
Explanation
Dial-up connections are very slow.
23.
Wireless Internet connections are not as reliable as traditional connections.
Correct Answer
A. True
Explanation
Wireless Internet connections rely on signals that can be affected by various factors such as distance, interference from other devices, and physical obstacles. These factors can lead to a decrease in signal strength and reliability compared to traditional wired connections. Therefore, it is true that wireless Internet connections are not as reliable as traditional connections.
24.
Most LANS use individual computers are called clients.
Correct Answer
A. True
Explanation
In a Local Area Network (LAN), individual computers are typically referred to as clients. Clients are the devices that connect to the network and request services or resources from a server. They are usually the end-user devices such as desktop computers, laptops, or mobile devices. Therefore, the statement "Most LANS use individual computers are called clients" is true, as clients are an essential component of a LAN.
25.
A modem is useful in converting analog computer data for use on standard digital telephone lines.
Correct Answer
B. False
Explanation
Phone lines are analog and computer data is digital.
26.
Routers are used to connect WANS.
Correct Answer
B. False
Explanation
Routers are not only used to connect WANS, but also to connect LANs and other networks. They are network devices that forward data packets between computer networks, and they play a crucial role in directing network traffic efficiently. While routers are commonly used in connecting WANS, they are not limited to this purpose alone. Therefore, the statement that routers are used to connect WANS is false.
27.
Routers are used to connect LANS.
Correct Answer
A. True
Explanation
Routers are network devices that are used to connect and route data between different local area networks (LANs). They are responsible for directing network traffic between multiple networks and determining the best path for data to travel. Routers play a crucial role in connecting LANs and enabling communication between devices in different networks, making the statement "Routers are used to connect LANs" true.
28.
Networks are controlled by a specific type of software, called:
Correct Answer
A. NOS
Explanation
NOS = Network Operating Systems
29.
Some examples of NOS include linux and Novell.
Correct Answer
A. True
Explanation
The statement is true because Linux and Novell are both examples of Network Operating Systems (NOS). A Network Operating System is a software that manages and controls network resources, allowing multiple computers to communicate and share data. Linux is an open-source NOS widely used in server environments, while Novell is a proprietary NOS known for its NetWare operating system. Both Linux and Novell provide the necessary tools and protocols for networking, making them suitable examples of NOS.
30.
One popular type of Internet card used in connecting LANS is an ______________
Correct Answer
C. Ethernet
Explanation
Ethernet is a popular type of Internet card used in connecting Local Area Networks (LANs). It is a widely adopted standard for wired network connections. Ethernet allows devices to communicate with each other over a LAN by using a system of protocols and hardware. It provides a reliable and efficient means of transmitting data between devices, making it an essential component in connecting LANs.