Computer Program Quiz

The correct answer is "possibility to work from home." Teleworking refers to the ability to work remotely, often from one's home, using technology such as email, chat, and fax to communicate and complete tasks. This allows individuals to avoid commuting to a physical office and instead work from the comfort of their own home.

CPU stands for Central Processing Unit. This is the main component of a computer system that carries out instructions of a computer program by performing basic arithmetic, logical, control, and input/output operations. It is responsible for executing most of the instructions in a computer program, making it the "brain" of the computer. The other options, Central Personal Unit, Central Portable Unit, and Cache Processor Unit, are not correct terms for CPU.

The term WAN stands for Wide Area Network. A Wide Area Network is a network that covers a large geographical area, typically spanning multiple buildings, cities, or even countries. It is used to connect local area networks (LANs) together, allowing for the sharing of resources and communication between different locations.

Running several software applications at the same time can slow down the computer's performance because it requires the computer to allocate more resources, such as processing power and memory, to handle the tasks of each application simultaneously. This can lead to a higher demand on the computer's hardware and result in slower performance as the computer tries to multitask and allocate resources efficiently.

A hard disk holds the most data compared to the other storage media listed. Hard disks have larger storage capacities and can store a significant amount of data, ranging from several hundred gigabytes to several terabytes. CDs, DVDs, and pendrives have much smaller storage capacities in comparison. While CDs and DVDs can typically store up to a few gigabytes of data, pendrives usually have capacities ranging from a few gigabytes to a few hundred gigabytes. Therefore, a hard disk is the correct answer as it can hold the most data among the given options.

The keyboard is the peripheral device that allows you to enter numbers in a spreadsheet. It is an input device that allows you to type numbers, letters, and other characters into a computer or spreadsheet software. The keyboard typically has a numeric keypad on the right side, which includes numbers and mathematical symbols, making it convenient for entering numerical data into a spreadsheet.

Telework refers to working remotely, often from home, using technology to stay connected. A disadvantage of telework is less human contact. This means that individuals who work remotely may have limited opportunities for face-to-face interactions with colleagues and may miss out on the social aspects of working in an office environment. While telework offers flexibility and the ability to manage one's own schedule, it can lead to feelings of isolation and reduced collaboration with team members. Additionally, it may hinder the development of personal relationships and a sense of community within the workplace.

Speed is typically measured in GHz (gigahertz) because it refers to the clock speed of a computer processor. GHz represents the number of cycles per second that a processor can execute. It is a unit of frequency commonly used to measure the speed and performance of CPUs. Other options like MBps (megabytes per second), bytes, and bits are not used to measure speed but rather represent units of data transfer or storage capacity.

The correct answer is the combination of hardware, software, and communications technologies. This is because Information Technology encompasses the use and management of various technologies, including computer hardware, software applications, and communication systems, to store, retrieve, transmit, and manipulate data. It involves the integration of these technologies to support information processing and communication needs in various sectors and industries.

A modem is required to connect to other computers via the telephone network. A modem is a device that converts digital signals from a computer into analog signals that can be transmitted over telephone lines, and vice versa. It allows the computer to communicate with other computers or access the internet using a telephone line as the medium of transmission. Without a modem, the computer would not be able to establish a connection with other computers or networks through the telephone network.

A monitor is a hardware device that displays visual output from a computer. It is an essential component of a computer system, allowing users to view and interact with the information displayed on the screen. Monitors come in various sizes and resolutions, and they connect to the computer through cables or wirelessly. They are responsible for displaying images, videos, text, and other graphical elements, making them a crucial part of the overall computer hardware setup.

The computer used in class runs on Windows.

A touch screen is considered both an input and output device because it allows users to interact with a device by touching the screen to input commands or data, and it also displays output by showing visual information or responding to the user's touch inputs. This makes it a versatile device that can both receive and provide information, making it suitable for various applications such as smartphones, tablets, and interactive kiosks.

The correct answer is "Operating and Application". This classification categorizes software into two main categories: operating systems and applications. Operating systems are responsible for managing computer hardware and software resources and providing common services for computer programs. Applications, on the other hand, are software programs designed to perform specific tasks or functions for the user. This classification helps distinguish between software that is essential for running a computer system (operating systems) and software that is used to perform various tasks or activities (applications).

The correct answer is "The faster your computer will run". This is because having more free space on the hard disk allows for faster access and retrieval of data, which in turn improves the overall performance and speed of the computer.

A mouse is considered an input device because it allows the user to input commands and data into a computer system. It is used to control the cursor on the screen and interact with various software applications. The movement and clicks of the mouse are translated into commands that the computer can understand and execute. Unlike CD ROM, printer, and zip drive, which are output devices or storage devices, the mouse is specifically designed for inputting information into the computer.

Laser printers are the fastest type of printer compared to inkjet, bubble jet, and dot matrix printers. This is because laser printers use a laser beam to create an image on a drum, which is then transferred onto paper using toner. This process is much faster than the mechanisms used in inkjet, bubble jet, and dot matrix printers, which involve spraying ink or striking pins against the paper. Therefore, laser printers are able to produce prints at a higher speed, making them the fastest option among the given choices.

Electronic commerce refers to the buying and selling of goods and services over the internet. It eliminates the need for physical contact between the buyer and seller, as all transactions are conducted online. This allows for goods to be advertised and prices compared easily, transactions to be processed quickly, and services to be available 24 hours a day. Therefore, the absence of physical contact between the buyer and seller is a feature of electronic commerce.

An extranet is a private company network that includes external specified users. This means that it is a network that is accessible to individuals or organizations outside of the company, but only to those who have been given specific authorization or permission. It allows for secure communication and collaboration between the company and its external partners, suppliers, or customers. Unlike a public network, an extranet provides controlled access to selected users, ensuring the confidentiality and privacy of the company's data and resources.

Tasks that require imagination are more suited to a person rather than a computer because imagination involves creativity, intuition, and the ability to think outside the box. Computers are designed to perform tasks that are logical, rule-based, and can be programmed, whereas imagination requires the ability to generate new ideas, visualize concepts, and think abstractly. These are cognitive abilities that are unique to humans and cannot be replicated by computers.

RSI stands for repetitive strain injury, which is a condition caused by repetitive movements or overuse of certain muscles, tendons, and nerves. It commonly affects parts of the body like the hands, wrists, arms, and shoulders, and is often associated with activities that involve prolonged computer use or repetitive motions. The term "repetitive strain insult" does not exist and is likely a typo or incorrect term. "Rapid stress injury" and "rapid strain injury" are not accurate descriptions of RSI, as the condition is typically caused by repetitive movements over time rather than sudden or rapid stress or strain.

CD-ROM stands for Compact Disc Read-Only Memory, which implies that the data stored on it can only be read and not modified or erased. Unlike other storage devices like a CD-R or CD-RW, a CD-ROM is a non-writable medium that can only be used to retrieve data. Therefore, the correct answer is "Can only be read."

Adjusting the seat to a comfortable level may help with overall comfort and posture, but it is not directly related to reducing eye-stress and headaches. Eye-stress and headaches are typically caused by factors such as flickering lights, glare, and direct light sources, which can strain the eyes.

A server is a type of computer that stores common files in a network. It is designed to provide services or resources to other computers on the network. Servers are typically more powerful and have more storage capacity than other types of computers, such as laptops or desktops. They are responsible for managing and sharing files, data, applications, and other resources within a network, making them the ideal choice for storing common files that can be accessed by multiple users in a network environment.

RAM stands for Random Access Memory, which is a type of computer memory that is used to store data that is currently being processed by the computer's CPU. Unlike the hard disk, which is used for long-term storage, RAM provides temporary storage for data that the CPU needs to access quickly. It allows for faster data retrieval and processing compared to other types of memory. Therefore, the correct answer is "Stores the data that is being processed."

A PDA (Personal Digital Assistant) is a hand-held device that is specifically designed for storing appointments and other personal information. It is portable and can be easily carried around, allowing individuals to keep track of their schedules and important dates. Unlike a notebook or desktop computer, a PDA is compact and fits in the palm of your hand, making it convenient for on-the-go use. Additionally, a mini computer is not typically used for storing appointments, making it an incorrect option.

ROM stands for Read-Only Memory. It is a type of computer memory that stores software instructions and data that cannot be modified or erased by normal computer operations. It holds software which can only be read, meaning that the data stored in ROM remains intact even when the computer is turned off. Unlike temporary storage, ROM is non-volatile and retains its contents permanently. While it may hold important files, its main purpose is to store the firmware or operating system of a computer or electronic device.

A server is a type of computer that is responsible for storing and managing files in a network. It is designed to handle multiple requests from different computers and provide access to shared resources such as files, databases, and applications. Servers are commonly used in organizations to centralize data storage and facilitate collaboration among users. They are typically more powerful and have more storage capacity than desktops, laptops, or mainframe computers, making them ideal for handling the common files in a network.

The correct order of storage from smallest to biggest is KB, MB, GB, TB. This is because storage units are typically measured in powers of 2. KB stands for kilobyte, which is equal to 1024 bytes. MB stands for megabyte, which is equal to 1024 kilobytes. GB stands for gigabyte, which is equal to 1024 megabytes. And TB stands for terabyte, which is equal to 1024 gigabytes. Therefore, the correct order is KB, MB, GB, TB.

A computer program is a set of instructions that tells a computer how to perform a specific task or set of tasks. It is a series of coded commands that guide the computer's actions and operations. These instructions can be written in various programming languages and are executed by the computer's processor. A computer program does not refer to an input device, an interactive user guide, or a help system, but rather the specific instructions that govern the computer's behavior.

Windows XP is not an application software because it is an operating system, not a program that is used to perform specific tasks or functions. Application software refers to programs that are designed for end-users to accomplish specific tasks, such as word processing (Microsoft Word), web browsing (Mozilla Firefox), or image editing (Photoshop). Windows XP, on the other hand, is an operating system that provides the platform and environment for running application software.

Protecting computer monitors from reflections and glare by correct positioning helps create a good ergonomic working environment. This practice ensures that the screens are positioned in such a way that there are no reflections or glares, which can cause eye strain and discomfort. By minimizing these distractions, employees can work more comfortably and efficiently. Additionally, it reduces the risk of developing computer vision syndrome, a condition caused by prolonged computer use.

An intranet refers to a private company network that is accessible only to authorized users within the organization. It is a secure network that allows employees to share information, collaborate on projects, and access company resources such as documents, databases, and internal websites. Unlike the internet, which is a public network, an intranet is restricted to internal users and is designed to ensure privacy and confidentiality of company data.

Not switching off the PC when not needed does not help in the protection of the environment. On the contrary, it leads to unnecessary energy consumption and contributes to carbon emissions. Neatly tying up cables and using electronic documents can help in organizing and reducing paper waste, respectively. Opening windows can promote natural ventilation, reducing the need for air conditioning and saving energy.

The main advantage of using a network system in the office is that costs are reduced. This is because a network system allows for the sharing of resources such as printers, scanners, and servers, eliminating the need for each individual workstation to have its own dedicated equipment. Additionally, a network system enables centralized management and control, reducing the need for IT staff to maintain and troubleshoot individual machines. This ultimately leads to cost savings in terms of equipment, maintenance, and personnel.