1.
The capacity of a single-sided, single-density DVD is _________.
Correct Answer
C. 4.7 GB
Explanation
The capacity of a single-sided, single-density DVD is 4.7 GB. This is the correct answer because single-sided, single-density DVDs have a storage capacity of 4.7 gigabytes. This means that they can hold up to 4.7 billion bytes of data, making them suitable for storing large files, videos, and other multimedia content.
2.
Two types of auxiliary storage devices often used on personal computers are __________.
Correct Answer
B. USB flash drives and hard disks
Explanation
USB flash drives and hard disks are commonly used as auxiliary storage devices on personal computers. These devices provide additional storage space for users to save and access their files and data. USB flash drives are portable and can be easily connected to a computer's USB port, allowing for easy transfer of files between devices. Hard disks, on the other hand, are internal or external storage devices that offer larger storage capacities and are commonly used for long-term data storage. Both USB flash drives and hard disks are essential for expanding the storage capabilities of personal computers.
3.
The four operations of the information processing cycle are input, process, storage, and __________.
Correct Answer
B. Output
Explanation
The four operations of the information processing cycle are input, process, storage, and output. Output refers to the stage where processed information is presented or displayed to the user in a readable format. It can be in the form of printed documents, displayed on a screen, or transmitted electronically. Output is an essential step in the information processing cycle as it allows users to receive and interpret the results of the processed data.
4.
One billion bytes is called a __________, and typical hard disk sizes range from 160 to 750 billion bytes.
Correct Answer
C. Gigabyte (GB)
Explanation
One billion bytes is equal to a gigabyte (GB). This is a commonly used unit of digital storage capacity. Typical hard disk sizes range from 160 to 750 billion bytes, which is equivalent to 160 to 750 GB. Kilobyte (KB) is a smaller unit of storage capacity, equal to 1,000 bytes. Megabyte (MB) is larger than a kilobyte, equal to 1 million bytes. Dekabyte (DB) is not a recognized unit of digital storage capacity.
5.
The process of loading the operating system into the computer's memory from auxiliary storage is called ________.
Correct Answer
B. Booting
Explanation
Booting is the correct answer because it refers to the process of loading the operating system into the computer's memory from auxiliary storage. This process initializes the computer's hardware, starts the operating system, and prepares the computer for use. Loading, driving, and saving do not accurately describe this specific process.
6.
Software can be categorized into two types: __________.
Correct Answer
C. System software and application software
Explanation
The correct answer is system software and application software. System software refers to the programs that manage and control the computer hardware and provide a platform for running application software. Examples of system software include operating systems, device drivers, and utility programs. Application software, on the other hand, refers to programs that perform specific tasks for users, such as word processing, spreadsheet, and presentation software. These programs are designed to meet the needs of individual users and are often customizable.
7.
Before buying a computer system, the purchaser should do some research on the __________.
Correct Answer
D. All of the above
Explanation
The purchaser should do some research on all of the above factors before buying a computer system. This is because the size and types of memory (RAM) and storage will determine the system's capacity and performance. The software included with the system is important as it determines the functionality and tools available to the user. Lastly, the speed of the processor is crucial as it affects the system's overall speed and performance. Therefore, considering all of these factors is essential for making an informed decision.
8.
The mouse is an output device because it outputs data to the computer.
Correct Answer
B. False
Explanation
The mouse is actually an input device, not an output device. It allows the user to input commands and control the computer by moving the cursor on the screen and clicking on various objects or buttons. The data from the mouse is sent to the computer for processing, making it an input device.
9.
What is data that has been organized into something that is meaningful and useful?
Correct Answer
A. Information
Explanation
Information refers to data that has been processed, organized, and presented in a way that is understandable and useful. It provides context, meaning, and insights, allowing individuals to make informed decisions or take appropriate actions. Unlike raw data, information has been analyzed and interpreted, making it more valuable and relevant for users. It can be stored in various forms, such as documents, reports, databases, or digital formats, and is essential for communication, problem-solving, and knowledge creation.
10.
The processor, memory, and storage devices are housed in a box-like case called the ____.
Correct Answer
D. System unit
Explanation
The system unit is the correct answer because it refers to the box-like case that houses the processor, memory, and storage devices. The system unit is the main component of a computer and contains all the essential hardware components necessary for its operation. The other options, such as chassis, motherboard, and system board, are incorrect as they do not encompass the entirety of the computer's components and functions.