1.
What is the meaning of the acronym CPU ?
Correct Answer
C. Central Processing Unit
Explanation
The correct answer is "Central Processing Unit." The CPU is the primary component of a computer that performs most of the processing inside the computer. It is often referred to as the "brain" of the computer. The CPU interprets and executes instructions from the computer's memory, performs arithmetic and logical operations, and controls the input and output of data. It is responsible for the overall performance and functionality of the computer system.
2.
What is recognized as the main circuit board in a computer ?
Correct Answer
D. The motherboard
Explanation
The motherboard is recognized as the main circuit board in a computer. It is responsible for connecting and coordinating various components, such as the CPU, graphics card, sound card, and power supply unit. It provides pathways for data transfer and electrical power distribution, allowing these components to communicate and work together effectively. Without a motherboard, the computer would not be able to function properly.
3.
Where would you most likely find a CPU ?
Correct Answer
D. On a motherboard
Explanation
A CPU (Central Processing Unit) is a crucial component of a computer that carries out most of the processing inside the system. It is typically found on a motherboard, which is the main circuit board that connects and allows communication between various hardware components of a computer. The CPU is directly mounted onto the motherboard and interacts with other components such as memory, storage, and input/output devices. Therefore, it is most likely to find a CPU on a motherboard, making it the correct answer.
4.
What does the acronym RAM stand for ?
Correct Answer
A. Random Access Memory
Explanation
RAM stands for Random Access Memory. It is a type of computer memory that allows data to be accessed randomly, meaning that any byte of memory can be accessed without touching the preceding bytes. This enables fast and efficient data storage and retrieval, making RAM an essential component in computer systems. The other options, such as Random Archival Method, Really Awful Methods, Rotating Arm Memory, and Rotary Archival Method, do not accurately represent the meaning of the acronym RAM.
5.
What describes a Network in computer terms ?
Correct Answer
B. A group of computers working together
Explanation
The correct answer is "A group of computers working together." In computer terms, a network refers to a collection of interconnected computers that can communicate and share resources with each other. This allows for data transfer, file sharing, and collaboration among the computers within the network.
6.
What best describes computer hardware ...
Correct Answer
B. All the pHysical components of the computer
Explanation
The correct answer is "All the physical components of the computer." Computer hardware refers to all the physical parts of a computer system, including the motherboard, processor, memory, storage devices, input/output devices, and peripherals. This answer accurately describes the definition of computer hardware by encompassing all the physical components that make up a computer system.
7.
What is the term given to the computer code that works to support your use of the computer ?
Correct Answer
D. An Operating System
Explanation
An operating system is the correct answer because it is the software that manages computer hardware and software resources and provides common services for computer programs. It supports the user's interaction with the computer by handling tasks such as memory management, file management, and device management. The operating system acts as an intermediary between the user and the computer, facilitating the user's use of the computer and enabling the execution of various applications and tasks.
8.
What is the meaning of the acronym GUI
Correct Answer
B. GrapHical User Interface
Explanation
The correct answer is "Graphical User Interface." GUI stands for Graphical User Interface, which refers to the visual elements and controls that allow users to interact with a computer system. It provides a user-friendly and intuitive way to navigate and operate software applications, using graphical icons, buttons, menus, and windows.
9.
MicroSoft WORD is an example of ...
Correct Answer
D. A word processing application
Explanation
Microsoft Word is a widely used software program that allows users to create, edit, and format documents. It is specifically designed for word processing tasks such as writing letters, creating reports, and drafting documents. With its features like spell check, grammar check, and formatting options, Microsoft Word provides a comprehensive toolset for creating professional-looking documents. Therefore, it is categorized as a word processing application.
10.
A MicroSoft Word document has an extension of ...
Correct Answer
C. .doc
Explanation
The correct answer is .doc because Microsoft Word documents are typically saved with the .doc file extension.
11.
An application program needs an Operating System to function. True , False or depends ...
Correct Answer
A. True
Explanation
An application program needs an operating system to function because the operating system provides the necessary resources and services that the application program relies on. The operating system manages the hardware, provides a user interface, and handles tasks such as memory management, file system management, and process scheduling. Without an operating system, the application program would not have access to these essential functions and would not be able to run properly. Therefore, it is true that an application program needs an operating system to function.
12.
A process is responsible for changing the format of information so that the information cannot be directly read, and can be kept private. This process is the process of ...
Correct Answer
E. Encryption
Explanation
Encryption is the correct answer because it is the process of changing the format of information in order to make it unreadable to unauthorized individuals. By encrypting the information, it becomes private and secure, as it can only be accessed by those who have the necessary decryption key. Encryption is commonly used in various applications such as secure communication, data storage, and online transactions to protect sensitive information from being intercepted or accessed by hackers or unauthorized users.
13.
A FIREWALL is used to ..
Correct Answer
A. Protect computer systems against unwanted invaders
Explanation
A firewall is a security measure used to protect computer systems from unauthorized access and malicious attacks. It acts as a barrier between the internal network and external networks, filtering incoming and outgoing network traffic based on predetermined security rules. By monitoring and controlling network traffic, a firewall helps prevent unauthorized users or malicious software from gaining access to sensitive information or causing harm to the system. It is an essential component in ensuring the security and integrity of computer systems.
14.
A computer system suddenly starts to change it's screen saver, and will not respond to the user's commands. The user has recently gone on-line and downloaded some software. What should she check first ?
Correct Answer
D. Did she accidentally download a computer virus ?
Explanation
The user should check if she accidentally downloaded a computer virus because the sudden change in the screen saver and the unresponsiveness of the computer could be indicators of a virus infection. Downloading software from the internet can sometimes lead to unintentionally downloading malicious files that can harm the computer's system. Checking for a virus is a crucial first step in troubleshooting the issue.
15.
Who founded Apple Computers ?
Correct Answer
B. Steve Jobs and Steve Wozniak
Explanation
Steve Jobs and Steve Wozniak founded Apple Computers. Steve Jobs was the visionary behind the company, while Steve Wozniak was the technical genius who designed the first Apple computer. Together, they revolutionized the personal computer industry and laid the foundation for Apple's success.
16.
Who founded MicroSoft ?
Correct Answer
A. Bill Gates and Paul Allen
Explanation
Bill Gates and Paul Allen founded Microsoft.
17.
Who theorised the Difference Engine, and built the Analytical Engine ?
Correct Answer
C. Charles Babbage
Explanation
Charles Babbage is the correct answer because he theorised the Difference Engine and built the Analytical Engine. Babbage, a British mathematician and inventor, is often considered the "father of the computer" for his groundbreaking work in the development of early mechanical computers. The Difference Engine was designed to calculate polynomial functions, while the Analytical Engine was a more advanced concept that included features such as loops and conditional branching, making it the first general-purpose programmable computer. Babbage's contributions laid the foundation for modern computing technology.
18.
What did Apple release on June 29th of 2007 ?
Correct Answer
D. The ipHone
Explanation
On June 29th, 2007, Apple released the iPhone. This revolutionary device changed the way people communicate and access information, combining a mobile phone, an iPod, and an internet communication device into one sleek package. The iPhone introduced a touchscreen interface and popularized the use of mobile apps, setting a new standard for smartphones and paving the way for the modern era of mobile technology.
19.
What is a better choice for portability ...
Correct Answer
B. A notebook computer
Explanation
A notebook computer is a better choice for portability compared to a desktop computer or a mainframe. Notebooks are designed to be lightweight and compact, making them easy to carry around. They are also battery-powered, allowing for usage without being connected to a power source. In contrast, desktop computers are bulky and require a stationary setup, while mainframes are large and typically used in centralized computing environments. Therefore, a notebook computer is the most suitable option when considering portability.
20.
What Word best describes how a computer network is laid out ...
Correct Answer
C. Topology
Explanation
The word "topology" best describes how a computer network is laid out. Topology refers to the physical or logical arrangement of the network components, such as computers, routers, and cables. It defines how these components are connected and the structure of the network. The other options, "lay-out," "format," "topography," and "map," do not specifically describe the arrangement of a computer network.