1.
An electronic device that input ,processes ,outputs ,and stores data is called a
Correct Answer
B. Computer
Explanation
An electronic device that can input, process, output, and store data is called a computer. Computers are versatile devices that can perform a wide range of tasks, from simple calculations to complex data analysis. They have various input and output devices such as keyboards, mice, monitors, and printers, allowing users to interact with the device and receive information. Additionally, computers have storage capabilities, allowing them to save and retrieve data for future use. Therefore, the correct answer is computer.
2.
Unprocessed information is called
Correct Answer
A. Data
Explanation
Data refers to unprocessed information, which means it has not been organized, analyzed, or interpreted in any way. It is raw and unstructured, lacking any context or meaning. Data can be in various forms such as numbers, text, images, or sounds. It becomes valuable when it is processed and transformed into meaningful information that can be used for decision-making or gaining insights. Therefore, data is the correct answer in this context.
3.
________________ conveys meaning and is useful to one or more people.
Correct Answer
B. Information
Explanation
Information conveys meaning and is useful to one or more people. Data refers to raw facts and figures that need to be processed and organized to become meaningful. A computer is a device that processes data and performs various tasks, but it does not inherently convey meaning or usefulness to people. Therefore, information is the correct answer as it captures the essence of conveying meaning and usefulness to individuals or groups.
4.
People who use computers are called
Correct Answer
D. All of the above
Explanation
The correct answer is "all of the above" because people who use computers can be referred to as "users," "computer users," or "end users." These terms are interchangeable and can be used to describe individuals who utilize computers for various purposes.
5.
Instructions that tell a computer what to do are called
Correct Answer
C. Software
Explanation
Software refers to the set of instructions or programs that tell a computer what to do. It is a collection of code and data that enables a computer to perform specific tasks or operations. Unlike hardware, which includes physical components of a computer system, software is intangible and can be installed, executed, and updated on a computer. Directions, on the other hand, are a more general term and can refer to instructions given to a person or a computer. Therefore, software is the correct answer as it specifically denotes the instructions that tell a computer what to do.
6.
The main computer components in a box like case is called the
Correct Answer
A. System unit
Explanation
The correct answer is system unit. The system unit refers to the main computer components housed in a box-like case. It includes the motherboard, processor, memory, storage devices, and other essential hardware components necessary for the computer to function. The system unit is responsible for processing and executing instructions, storing and retrieving data, and connecting various peripherals. It is the central component that holds and connects all the necessary hardware elements of a computer system.
7.
Any hardware that lets you enter something into the computer is a(n)
Correct Answer
C. Input Device
Explanation
An input device is any hardware that allows users to input data or commands into a computer system. This can include devices such as keyboards, mice, touchscreens, and scanners. These devices enable users to interact with the computer and provide the necessary input for the system to process and respond to. In this case, the correct answer is "Input Device" because it accurately describes the function of hardware that allows users to enter something into the computer.
8.
An input device that contains keys that you press to enter data into the computer. Also the most common input device.
Correct Answer
B. Keyboard
Explanation
A keyboard is an input device that contains keys that you press to enter data into the computer. It is also the most common input device used for data entry.
9.
A pointing device that fits perfectly in the palm of your hand.
Correct Answer
A. Mouse
Explanation
The correct answer is "Mouse" because it is a pointing device that is designed to fit perfectly in the palm of your hand. It is a small handheld device that allows users to move the cursor on a computer screen by moving the device across a surface. The size and shape of a mouse make it comfortable and easy to use, providing precise control and navigation for the user.
10.
Sometimes called the system board, this is the main circuit board of the computer.
Correct Answer
C. Motherboard
Explanation
The correct answer is motherboard. The motherboard is the main circuit board of a computer, often referred to as the system board. It is responsible for connecting and allowing communication between all the different components of the computer, such as the CPU, memory, storage devices, and peripherals. Without a motherboard, the computer would not be able to function properly.
11.
This unit performs the logical and arithmetic process.
Correct Answer
A. Arithmetic logic unit
Explanation
The correct answer is "arithmetic logic unit" because it is the component of a computer's central processing unit that performs both arithmetic and logical operations. It is responsible for carrying out mathematical calculations and logical comparisons, making it an essential part of the overall processing capabilities of a computer. The processor and motherboard are also important components of a computer system, but they are not specifically designed to perform the logical and arithmetic processes like the arithmetic logic unit.
12.
Devices that make information resulting from processing available for use is called
Correct Answer
A. Output device
Explanation
An output device is a device that allows processed information to be made available for use. This can include devices such as monitors, speakers, and printers, which display or produce the processed information in a usable format. Input devices, on the other hand, are used to provide data or instructions to a computer for processing. While printers are a type of output device, they specifically refer to devices that produce hard copies of processed information. Therefore, the correct answer for this question is "output device."
13.
A television like monitor that uses a cathode ray form of technology
Correct Answer
D. CRT
Explanation
A CRT (Cathode Ray Tube) is a type of television-like monitor that uses a cathode ray form of technology. This technology involves a vacuum tube with an electron gun that emits a beam of electrons onto a phosphorescent screen, creating the images we see on the screen. CRT monitors were commonly used before the advent of LCD and plasma displays.
14.
The type of flat panel monitor that uses a crystal technology that is in liquid form
Correct Answer
B. LCD
Explanation
LCD stands for Liquid Crystal Display. It is a type of flat panel monitor that uses a crystal technology that is in liquid form. LCD monitors consist of a layer of liquid crystal material sandwiched between two transparent electrodes. When an electric current is applied, the liquid crystal molecules align to allow or block the passage of light, creating the images on the screen. LCD monitors are known for their slim profile, energy efficiency, and sharp image quality.
15.
The 2 types of magnetic disk (select 2)
Correct Answer(s)
A. Floppy Disk
C. Hard Disc
Explanation
The correct answer is Floppy Disk and Hard Disc. These two types of magnetic disks are commonly used for data storage. Floppy disks were popular in the past and had a lower storage capacity compared to hard disks. Hard disks are the primary storage devices in computers and have a much larger storage capacity. Both floppy disks and hard disks use magnetic materials to store and retrieve data.
16.
Ctrl + s
Correct Answer
B. Save
Explanation
The correct answer is "save" because pressing Ctrl + S is a commonly used keyboard shortcut to save a document or file in many software applications. This shortcut is widely known and used, as it allows users to quickly save their work without needing to navigate through menus or use the mouse. Therefore, "save" is the most appropriate option in this context.
17.
Ctrl +z
Correct Answer
A. Undo
Explanation
The correct answer is "undo" because the keyboard shortcut "ctrl + z" is commonly used to undo the previous action in many software applications. This shortcut allows users to reverse their most recent action and revert back to the previous state. Therefore, "undo" is the appropriate term associated with the given keyboard shortcut.
18.
Ctrl +y
Correct Answer
B. Redo
Explanation
The correct answer is "redo" because pressing the "Ctrl + Y" keyboard shortcut is used to redo an action that has been undone using the "Ctrl + Z" keyboard shortcut. This allows the user to reverse the undo action and restore the previous state or action that was undone.
19.
Ctrl +x
Correct Answer
A. Cut
Explanation
The correct answer is "cut" because the keyboard shortcut "ctrl + x" is commonly used to cut selected text or objects. Cutting removes the selected item and places it in the clipboard, allowing it to be pasted elsewhere. The other options, "copy" and "save," do not involve the removal of the selected item.
20.
Ctrl +c
Correct Answer
B. Copy
Explanation
The correct answer is "copy" because the keyboard shortcut "ctrl + c" is commonly used to copy selected text or files. It allows the user to duplicate the selected content and store it in the clipboard, so that it can be pasted elsewhere using the "ctrl + v" shortcut. The other options listed (cut and save) do not correspond to the given keyboard shortcut.
21.
Ctrl + v
Correct Answer
A. Paste
Explanation
The given answer "paste" is correct because the question is asking for the keyboard shortcut "ctrl + v" which is commonly used to paste content. The other options "print" and "post" do not correspond to the given keyboard shortcut. Therefore, "paste" is the correct answer.
22.
Ctrl + a
Correct Answer
A. Select all
Explanation
Pressing the "ctrl + a" keyboard shortcut selects all the text or objects in the current document or window. This allows the user to quickly and easily highlight and manipulate a large amount of content at once. It is a useful shortcut for tasks such as copying, cutting, deleting, or formatting multiple items simultaneously.
23.
Ctrl + p
Correct Answer
C. Print
Explanation
Pressing "ctrl + p" is a keyboard shortcut commonly used to initiate the printing process. Therefore, the correct answer is "Print."
24.
Alt + tab
Correct Answer
A. Switches between open programs
Explanation
The correct answer is "switches between open programs." This shortcut, alt + tab, allows users to quickly switch between different open programs or windows on their computer. By pressing the alt key and then the tab key, users can cycle through their open applications, making it easier to navigate and multitask efficiently.
25.
Alt + f4
Correct Answer
C. Close current program.
Explanation
Pressing the "alt + f4" key combination is a shortcut to close the current program or window that is currently active on the screen. It is a commonly used keyboard shortcut to quickly exit or close the active program without having to use the mouse or navigate through menus. This action can be useful when you want to close a program quickly or if it becomes unresponsive.
26.
F1
Correct Answer
A. Help
Explanation
The given list of commands includes "help," which is the correct answer. "help" is a command that is commonly used to display a list of available commands or provide assistance on how to use a program or system.
27.
Shift 5x
Correct Answer
C. Sticky keys
Explanation
Sticky keys is a feature in computer operating systems that allows users to press one key at a time, instead of having to hold down multiple keys simultaneously. This feature is particularly useful for individuals with physical disabilities or those who have difficulty pressing multiple keys at once. When the caps lock key is enabled, it remains active until it is pressed again, allowing users to type in uppercase without having to hold down the shift key. Therefore, the correct answer is sticky keys.
28.
Ctrl + f
Correct Answer
A. Search
Explanation
The correct answer is "search" because the question mentions the keyboard shortcut "ctrl + f" which is commonly used to search for specific words or phrases within a document or webpage. This shortcut allows users to quickly locate information they are looking for, making it a useful tool for finding specific content.
29.
Ctrl + b
Correct Answer
A. Bold
Explanation
The given answer "bold" is correct because pressing the "ctrl + b" keyboard shortcut in most text editing programs will apply the bold formatting to the selected text. The other options "black" and "blue" do not have any relevance to the given keyboard shortcut.
30.
Ctrl + u
Correct Answer
C. Underline
31.
Ctrl + i
Correct Answer
A. Italics
Explanation
Pressing "ctrl + i" is the keyboard shortcut to apply italics formatting to the selected text. This feature is commonly used in word processing software to emphasize or highlight certain words or phrases. It is a quick and convenient way to make text stand out and add emphasis to specific parts of a document.
32.
Ctrl + d
Correct Answer
C. Font menu
Explanation
The correct answer is font menu. The given keyboard shortcut "ctrl + d" is commonly used to open the font menu in various programs. This menu allows users to change the font style, size, and other formatting options for text.
33.
Ctrl + N
Correct Answer
A. New document
Explanation
Pressing "ctrl + N" is the keyboard shortcut to create a new document. This shortcut is commonly used in various software applications, including word processors, graphic design programs, and web browsers. By pressing "ctrl + N," the user can quickly start a new project or file without having to go through the menu options. In the given context, the answer "new document" is appropriate because it accurately describes the action that would be performed by pressing "ctrl + N."
34.
F7
Correct Answer
C. Spell Check