1.
IBM is the largest manufacturer of what type of computer?
Correct Answer
A. Mainframe
Explanation
IBM is the largest manufacturer of mainframe computers. Mainframe computers are large, powerful, and high-performance machines that are used by large organizations and businesses for critical applications such as processing huge amounts of data, running complex calculations, and handling multiple users simultaneously. IBM has been a leading player in the mainframe computer market for many years, with a strong reputation for reliability and scalability.
2.
MIPS is the abbreviation for what?
Correct Answer
B. Millions of Instructions Per Second
Explanation
MIPS stands for Millions of Instructions Per Second. This term is commonly used to measure the performance of a computer's processor. It refers to the number of instructions that a processor can execute in one second. A higher MIPS value indicates a faster processor capable of handling more instructions per second.
3.
A mainframe computer is typically used by what type of business:
Correct Answer
A. Large corporations such as banks
Explanation
Mainframe computers are typically used by large corporations such as banks because they have the capability to handle large amounts of data and perform complex calculations. These organizations require high-performance computing systems to process and store vast amounts of information, such as customer data, financial transactions, and risk analysis. Mainframes are known for their reliability, security, and scalability, making them suitable for the demanding requirements of large corporations. On the other hand, an individual in their home would not typically require the power and capacity of a mainframe computer.
4.
A workstation is made for which type of work:
Correct Answer
B. Work that require intense calculations and grapHics capabilities
Explanation
A workstation is specifically designed to handle tasks that require intense calculations and graphics capabilities. This type of work typically includes tasks such as computer-aided design (CAD), 3D modeling, animation, scientific simulations, and data analysis. Workstations are equipped with powerful processors, high-performance graphics cards, and ample memory to efficiently handle these demanding tasks. They also often have multiple monitors and specialized input devices to enhance productivity. Therefore, a workstation is not typically designed for homework or general office tasks, but rather for specialized work that demands significant computational and graphical processing power.
5.
Which type of computer is designed to fit on a desk or table?
Correct Answer
D. Desktop
Explanation
A desktop computer is designed to fit on a desk or table. It is a personal computer that typically consists of a tower or a compact case housing the CPU, along with a separate monitor, keyboard, and mouse. Unlike laptops or workstations, desktop computers are not portable and are intended to be used in a fixed location. Mainframes are large and powerful computers used for extensive data processing, while workstations are high-performance computers used for specialized tasks. Laptops are portable computers that can be used on the go.
6.
Laptops are:
Correct Answer
B. Thin and lightweight
Explanation
The correct answer is "thin and lightweight" because laptops are designed to be portable and convenient for users to carry around. Being thin and lightweight makes it easier for individuals to transport their laptops without feeling burdened by their weight. Additionally, this characteristic allows laptops to be more versatile and adaptable to various environments, such as in classrooms, coffee shops, or during travel.
7.
Which type of computer is more expensive:
Correct Answer
A. Laptop
Explanation
Laptops are generally more expensive than desktop computers due to their portability and compact design. The technology used in laptops is more advanced and requires miniaturization, which increases the production cost. Additionally, laptops often come with built-in batteries, touchscreens, and other features that contribute to their higher price. On the other hand, desktop computers are larger, have more expandability options, and are typically easier to repair or upgrade, making them a more cost-effective choice for certain users.
8.
CPU stands for what:
Correct Answer
A. Central Processing Unit
Explanation
The correct answer is Central Processing Unit. CPU stands for Central Processing Unit, which is the main component of a computer system 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 programs and manage data. The CPU consists of the control unit, arithmetic logic unit, and registers, and it interacts with other hardware components to process and execute instructions.
9.
Which one of the following is an input device?
Correct Answer
B. Keyboard
Explanation
A keyboard is an input device because it allows the user to input data or commands into a computer. It consists of a set of keys that are used to type letters, numbers, and other characters. The input from the keyboard is then processed by the computer to perform various tasks or operations. On the other hand, a hard drive and a printer are not input devices. A hard drive is a storage device that stores data, while a printer is an output device that produces hard copies of documents or images.
10.
Which of the following is an output device?
Correct Answer
C. Printer
Explanation
An output device is a peripheral device that receives data from a computer and presents or displays it to the user. A printer is an example of an output device as it receives data from a computer and produces a physical copy of that data on paper. Both the keyboard and mouse are input devices, as they are used to input data into the computer.
11.
Which of the following acts like a mini hard drive and doesn't need to be reformatted or rewritten:
Correct Answer
A. Zip disk
Explanation
A zip disk acts like a mini hard drive and doesn't need to be reformatted or rewritten. It is a removable storage medium that can store data and files similar to a hard drive. Unlike other options such as a hard drive or USB drive, a zip disk does not require formatting or rewriting to use it. This makes it a convenient and reliable option for storing and accessing data without the need for regular maintenance.
12.
Which type of drive is portable?
Correct Answer
C. USB drive
Explanation
A USB drive is a portable type of drive because it is small, lightweight, and can easily be connected to different devices using a USB port. It does not require any external power source and can store large amounts of data. On the other hand, a zip disk is a removable disk storage medium that is not as widely used or easily accessible as USB drives. A hard drive is an internal storage device typically found in computers and is not designed to be easily portable. Therefore, the correct answer is USB drive.
13.
Which type of memory temporarily holds programs and data while the computer is on?
Correct Answer
A. RAM or Random Access Memory
Explanation
RAM or Random Access Memory is the type of memory that temporarily holds programs and data while the computer is on. It is volatile memory, meaning that its contents are lost when the computer is turned off or restarted. RAM allows the computer's processor to quickly access and store data, making it an essential component for running programs and performing tasks. On the other hand, ROM or Read Only Memory is non-volatile memory that stores permanent instructions for the computer, such as the firmware.
14.
The operating system software
Correct Answer
A. Serves as the interface between the user, the application software and the computer's hardware
Explanation
The operating system software serves as the interface between the user, the application software, and the computer's hardware. It acts as a bridge that allows the user to interact with the computer and its hardware components. It provides a platform for running application software and manages the resources of the computer, such as memory, storage, and processing power. Additionally, it provides a user-friendly environment and enables users to perform specific computer tasks efficiently and effectively.
15.
Which one of the following is an example of operating system software?
Correct Answer
A. Windows Vista
Explanation
Windows Vista is an example of operating system software because it is a computer operating system developed by Microsoft. Operating system software is responsible for managing computer hardware and software resources, providing a user interface, and enabling the execution of applications. Windows Vista specifically is an older version of the Windows operating system, designed to provide features and functionalities for personal computers. It controls the computer's basic functions, such as file management, memory management, and device drivers, making it an example of operating system software.
16.
Which one of the following is a type of applications software?
Correct Answer
A. Wordperfect
Explanation
WordPerfect is a type of applications software. Applications software refers to programs that are designed to perform specific tasks or functions for the user. WordPerfect is a word processing software that allows users to create, edit, and format documents. It is commonly used for tasks such as writing letters, creating reports, and drafting documents. Windows XP, on the other hand, is an operating system, not an applications software. It is responsible for managing the computer's hardware and software resources.
17.
A database is:
Correct Answer
B. A collection of data organized in a manner that allows access, retrieval, and use of the data
Explanation
A database refers to a collection of data that is organized in a specific manner, enabling users to access, retrieve, and utilize the data effectively. It is not the computer's operating system, which is responsible for managing hardware and software resources. Instead, a database is designed to store and manage data in a structured way, allowing users to perform various operations on the data, such as querying, updating, and analyzing.
18.
Which type of database stores infromation in a tree-like structure?
Correct Answer
A. Hierarchal
Explanation
A hierarchical database stores information in a tree-like structure where data is organized in a parent-child relationship. This means that each record has a single parent record and can have multiple child records. The parent-child relationship creates a hierarchical structure, similar to a family tree. This type of database is commonly used for storing data that has a natural hierarchical relationship, such as organizational structures or file systems. In a hierarchical database, accessing data involves traversing the tree structure from the root node to the desired node, making it efficient for certain types of queries.
19.
Which of these is an advantage of a computer:
Correct Answer
A. Communication
Explanation
An advantage of a computer is communication. Computers enable us to connect with others through various means such as email, instant messaging, video calls, and social media. They facilitate efficient and quick communication, allowing us to stay connected with people all around the world. Additionally, computers also enable businesses to communicate with their customers and clients, enhancing productivity and expanding opportunities for collaboration.
20.
Which one of the following is an example of a spreadsheet program?
Correct Answer
B. Excel
Explanation
Excel is an example of a spreadsheet program. It is a widely used software developed by Microsoft that allows users to create, edit, and organize data in a tabular format. With Excel, users can perform calculations, create charts and graphs, and analyze data efficiently. It is commonly used for financial analysis, data management, and creating budgets or invoices. Excel offers various features and functions that make it a powerful tool for businesses, students, and professionals to handle and manipulate data effectively.
21.
Powerpoint is used to create what type of files?
Correct Answer
B. Presentations
Explanation
PowerPoint is a software program developed by Microsoft that is primarily used to create presentations. It allows users to create slideshows with text, images, charts, and multimedia elements, making it an effective tool for delivering information in a visually appealing and organized manner. Therefore, the correct answer is presentations.
22.
A function in Excel must always start with:
Correct Answer
B. =
Explanation
In Excel, a function always starts with the equals sign (=) because it indicates to the program that the following characters are a formula or function. The equals sign is used to distinguish between regular data and calculations in Excel. By starting a function with the equals sign, Excel knows to evaluate the expression and perform the necessary calculation.
23.
A block of cells in an Excel spreadsheet are called:
Correct Answer
D. Range
Explanation
A block of cells in an Excel spreadsheet is referred to as a "range." This term is used to describe a group of cells that are selected or highlighted together. A range can consist of a single cell, multiple adjacent cells, or non-adjacent cells. It is commonly used for performing calculations, applying formatting, or manipulating data within the selected cells.
24.
Which of the following is a type of chart you can create in Excel?
Correct Answer
A. Bar
Explanation
A bar chart is a type of chart that can be created in Excel. It is used to visually represent data using horizontal or vertical bars, where the length or height of each bar corresponds to the value it represents. Bar charts are commonly used to compare different categories or to show changes over time.
25.
Which of the following formulas are correct?
Correct Answer
A. =SUM(A1:A5)
Explanation
The correct formula among the given options is "=SUM(A1:A5)". This formula calculates the sum of the values in cells A1 to A5.