Test Your Computer Knowledge: Quiz

The real time clock uses IRQ 8.

The system bus for a 386DX processor is 32 bits. This means that the processor can transfer 32 bits of data at a time between the CPU and other components, such as memory or peripherals. A wider system bus allows for faster data transfer and can improve overall system performance.

The standard IDE drive cable has 40 wires.

The printer is an example of an output hardware because it is a device that takes electronic data from a computer and produces a hard copy of it on paper. It receives information from the computer and generates a physical output in the form of printed documents or images. Unlike the keyboard, scanner, and microphone, which are input devices, the printer is specifically designed to provide output functionality.

The data bus for a 486DX4 processor is 32 bits. This means that the processor can transfer 32 bits of data between the processor and other components in the computer at a time.

To detect an AC ripple, you would set your multimeter to AC Voltage. AC ripple refers to the variation or fluctuation in the voltage of an alternating current waveform. By setting the multimeter to AC Voltage mode, it will be able to measure and display the amplitude or magnitude of the AC ripple accurately. DC Voltage mode is used to measure the constant voltage level in a direct current circuit, while Standard Voltage is not a specific mode on a multimeter.

The printer is the computer peripheral that produces a hard copy of a soft copy. A soft copy refers to digital or electronic data, while a hard copy refers to a physical printout on paper. The scanner is used to create a soft copy by converting physical documents into digital format. The CD ROM and tape drive are storage devices used to read or write data, but they do not produce physical printouts. Therefore, the printer is the correct answer.

9 bit SIMMs have 30 pins.

The conventional memory in a PC is typically 640K. This refers to the amount of memory that is directly accessible by the operating system and applications without the need for any additional memory management techniques. This limitation was present in early PCs due to the design of the memory architecture.

The system bus for a 386SX processor is 16 bits. This means that the processor can transfer 16 bits of data at a time between the CPU and other components of the computer, such as memory or input/output devices.

A parallel cable is a type of cable used to connect devices, such as printers, to a computer. The maximum length for a parallel cable is typically 15 feet. This is because as the length of the cable increases, there is a greater chance of signal degradation and loss, resulting in reduced data transfer speeds and potential errors. Therefore, it is recommended to keep the length of a parallel cable within 15 feet to ensure optimal performance.

A serial port is a type of port that communicates information to a peripheral device one bit at a time. This means that data is transmitted sequentially, one bit after another, making it suitable for devices that require a slower data transfer rate or have limited bandwidth. Serial ports are commonly used for connecting devices such as modems, printers, and serial mice to a computer.

The system data bus for a Pentium Processor is 64 bits. This means that the processor can transfer 64 bits of data at a time between the processor and the memory or other devices connected to it. A wider data bus allows for faster data transfer and can improve the overall performance of the processor.

A serial data port on a PC typically has 9 pinouts. These pinouts are used to connect various devices such as modems, printers, and mice to the computer. The 9-pin configuration is commonly known as a DB9 connector and is the most widely used serial port interface.

The correct answer is "The Desktop." After the computer finishes booting, the first part of Windows that is displayed is the Desktop. The Desktop is the main screen where users can see icons, shortcuts, and wallpaper. It provides access to various features and applications on the computer, allowing users to navigate and interact with the operating system.

The processor is the component of the computer that processes data. It is responsible for executing instructions and performing calculations, making it the central component in the computer's operation. The RAM and storage devices are used to store and retrieve data, while the monitor is the output device that displays the processed data. However, it is the processor that actually performs the processing of the data.

In Windows, the hard disk is typically represented by the drive letter C:. This is the default drive letter assigned to the primary hard disk partition where the operating system is installed. Other drives such as D:, F:, or A: can be used for additional partitions, external drives, or floppy disk drives, respectively.

The projector also performs the function of the monitor because it can display images and videos on a larger screen, similar to how a monitor displays visual content on a computer. It allows users to view and share content with a larger audience, making it a suitable alternative to a traditional monitor in certain situations.

The correct answer is +5V, -5V, +12V, -12V. This answer correctly identifies the four types of DC voltage typically produced by a power supply. The power supply generates a positive 5 volts, a negative 5 volts, a positive 12 volts, and a negative 12 volts. These different voltage levels are commonly used to power various electronic devices and components.

The hard disk is the correct answer because it is the primary storage device in a computer that stores the operating system and application programs. Unlike other options such as the flash disk, diskette, or CD ROM, the hard disk provides larger storage capacity and faster access to data, making it ideal for storing and running the operating system and applications.

The task bar in Windows displays the open windows and allows users to easily switch between them. It is typically located at the bottom of the screen and shows the icons of the open applications or programs. By clicking on these icons, users can quickly access and switch between different windows without having to navigate through menus or search for them. The task bar also provides additional features such as a start button, system tray, and shortcuts to commonly used applications.

The Mainframe computer does not fall under a model type of computer because it is a category or class of computer that is specifically designed for large-scale computing purposes. It is typically used by organizations or institutions to process and store vast amounts of data and to handle complex tasks. In contrast, the Desktop and Laptop computers are both model types of computers that are designed for personal or individual use.

Windows Linux is an example of a non-Microsoft operating system because it combines elements of the Windows operating system with the Linux kernel. While the other options listed (Windows Vista, Windows ME, and Windows XP) are all Microsoft operating systems.

MS DOS does not require the use of a mouse because it is a command-line operating system that relies on text-based commands entered through the keyboard. Unlike Windows Vista, Windows Linux, and Windows ME, which all have graphical user interfaces that are typically navigated using a mouse, MS DOS operates solely through typed commands.

The computer keyboard is divided between four and five sections or features.

The correct answer is the RAM. RAM stands for Random Access Memory and is a type of primary storage device. It is used to temporarily store data that is actively being used by the computer's processor. Unlike secondary storage devices like CD ROMs, floppy diskettes, and hard disks, RAM allows for faster access to data and is volatile, meaning that the data is lost when the computer is powered off.

When servicing a CRT monitor, it is not necessary to wear a grounding strap. This is because CRT monitors do not carry a significant amount of static electricity that could cause harm to the technician or damage to the monitor. However, it is still important to take precautions such as turning off the monitor and unplugging it before servicing to avoid electric shock.

The correct answer is the palmtop because it is a small handheld device that is specifically designed to be operated with touch input. It is portable and compact, making it convenient for users to interact with the screen directly using their fingers or a stylus. On the other hand, laptops, minicomputers, and desktop computers typically do not have touchscreens as their primary input method, relying instead on keyboards and mice for interaction.

The problem is that the floppy cable is connected backwards. This means that the cable is not properly aligned with the pins on the floppy drive and motherboard, causing the FDD controller failure error.

The mainframe computer is the largest computer in terms of physical size. Mainframe computers are typically large and powerful machines that are designed to handle extensive data processing and serve multiple users simultaneously. They are often housed in specially designed rooms or data centers due to their size and cooling requirements. In contrast, microcomputers, tower computers, and supercomputers are generally smaller in size compared to mainframe computers.

System BIOS, or Basic Input/Output System, is a type of software that is stored on a computer's motherboard. It provides the necessary instructions for the computer to start up and initialize hardware components. Firmware refers to software that is permanently stored in a hardware device, and System BIOS fits this definition as it is stored on the motherboard. Operating systems and installation drivers, on the other hand, are typically stored on the computer's storage devices and are not considered firmware.

A scanner is a computer peripheral that produces a soft copy of a hard copy. It is used to convert physical documents, images, or objects into digital format, allowing them to be stored, edited, and shared electronically. By scanning a hard copy, such as a printed document or a photograph, the scanner captures the information and creates a digital file that can be viewed and manipulated on a computer. This makes it easier to store and distribute documents, as well as edit and enhance images. Therefore, the scanner is the correct answer to the question.

Microsoft Access is an application program because it is a database management system that allows users to create and manage databases. It is designed to be used by individuals or small businesses to store, organize, and analyze data. Unlike operating systems like Windows Explorer or Microsoft DOS, Microsoft Access is specifically built for a specific purpose, which is to provide a user-friendly interface for managing databases.

The status bar is the correct answer because it is the last bar or part of a window that displays information about the current status of the program or system. It typically provides details such as the time, date, progress indicators, and other relevant information. The tool bar, task bar, and menu bar are all different parts of a window but are not specifically the last bar or part of it.

The correct answer is the flash disk. The flash disk is a storage device that is commonly connected to the USB port. It is a portable and convenient device for storing and transferring data. The CD and DVD are optical storage devices that are not typically connected to the USB port. The diskette is an outdated storage device that is also not connected to the USB port. The local disk (C:) is the primary hard drive of a computer and is not directly connected to the USB port.

The correct answer is Drive A: In Windows, the drive letter A: is typically used to represent the floppy drive. This is a convention that has been used since the early days of computing when floppy drives were more commonly used. By assigning the letter A: to the floppy drive, it made it easier for users to identify and access the floppy drive when saving or loading data.