1.
Which of the following option best define the word "Computer" ?
Correct Answer
A. An electronic device which inputs, processes, stores and outputs in a readable form
Explanation
The correct answer is "An electronic device which inputs, processes, stores and outputs in a readable form." This option accurately defines a computer as an electronic device that takes in information, performs operations on that information, stores it, and then presents the results in a format that can be easily understood by users.
2.
Which generation of computer uses Integrated Circuit (IC)?
Correct Answer
B. Third Generation
Explanation
The third generation of computers uses Integrated Circuit (IC). Integrated circuits are small electronic devices that contain a large number of tiny transistors and other electronic components on a single chip of semiconductor material. These ICs revolutionized the field of computing by making computers smaller, faster, and more reliable. The third generation of computers, which spanned from the 1960s to the 1970s, was characterized by the use of ICs, which replaced the large and bulky vacuum tubes and transistors used in earlier generations.
3.
Which generation of computer is based on Artificial Intelligence (AI)?
Correct Answer
A. Fifth Generation
Explanation
The fifth generation of computers is based on Artificial Intelligence (AI). This generation, which emerged in the 1980s, focused on developing machines that could mimic human intelligence and perform tasks such as natural language processing, problem-solving, and learning. These computers were designed to understand and respond to human language, recognize patterns, and make decisions based on complex data. The development of AI technology was a key characteristic of the fifth generation of computers, making it the correct answer to the question.
4.
Computing Device is as old as man
Correct Answer
A. True
Explanation
The statement "Computing Device is as old as man" implies that the existence of computing devices dates back to the same time as the existence of human beings. This suggests that humans have been using some form of computing devices for a very long time, possibly since the beginning of civilization. Therefore, the correct answer is true, indicating that computing devices have a long history and have been around for as long as humans have.
5.
Computer system is divided into three basic elements as ......
Correct Answer
C. Input - Processing - Output
Explanation
The correct answer is "Input - Processing - Output". This sequence represents the flow of data within a computer system. Input refers to the data or instructions that are entered into the system, processing involves manipulating and transforming the input data, and output refers to the result or information that is produced by the system. This sequence is fundamental to the operation of any computer system, as it allows for the interaction and communication between the user and the machine.
6.
Computer as a system is therefore .....
Correct Answer
B. An interrelated combination of components that performs basic system functions of input, processing, output, & storage
Explanation
The correct answer is "An interrelated combination of components that performs basic system functions of input, processing, output, & storage." This answer accurately describes a computer as a system that consists of various components working together to perform essential functions such as accepting data, processing it, producing output, and storing information. It highlights the interconnectedness of these components in enabling the computer to carry out these basic system functions.
7.
Computer could be regarded as CPU
Correct Answer
B. False
Explanation
The statement "Computer could be regarded as CPU" is false. A computer is not just the CPU (Central Processing Unit), but rather a combination of various hardware components such as the CPU, memory, storage, input/output devices, and software. The CPU is a crucial part of a computer, responsible for executing instructions, but it alone does not define what a computer is.
8.
... is the path to computer literacy in the present generation?
Correct Answer
C. Personal Computer (PC)
Explanation
The personal computer (PC) is considered the path to computer literacy in the present generation because it is the most widely used and accessible type of computer. PCs are affordable, portable, and user-friendly, making them suitable for individuals of all ages and skill levels. They provide a platform for learning basic computer skills, such as word processing, internet browsing, and email communication. Additionally, PCs offer a wide range of software applications and educational resources that enhance computer literacy and enable users to explore various fields of knowledge and expertise.
9.
The Word "CPU" stands for?
Correct Answer
B. Central Processing Unit
Explanation
The correct answer is "Central Processing Unit". CPU stands for Central Processing Unit, which refers to the main component of a computer that performs most of the processing inside the computer. It is responsible for executing instructions, performing calculations, and managing data flow between different components of the computer system.
10.
... is a physical component of a computer that is all electronic and mechanical parts.
Correct Answer
C. Hardware
Explanation
Hardware refers to the physical components of a computer that encompass both electronic and mechanical parts. This includes devices such as the motherboard, CPU, memory, hard drive, and peripherals like keyboard, mouse, and monitor. Unlike software, which refers to the programs and data that can be stored and executed on hardware, hardware is tangible and can be touched and manipulated physically. Firmware, on the other hand, refers to the software that is embedded in hardware devices to control their operations. Therefore, the correct answer is hardware.
11.
The following are the two primary categories of software
Correct Answer
B. System Software and Application Software
Explanation
System software and application software are the two primary categories of software. System software refers to the programs that manage and control the computer hardware, providing a platform for running applications. It includes operating systems, device drivers, and utility programs. On the other hand, application software refers to programs that are designed for specific tasks or applications, such as word processors, spreadsheets, and web browsers. These two categories encompass the majority of software used on computers, with system software providing the foundation and application software fulfilling specific user needs.
12.
... is an integrated system of programs that manages the operations of the Central Processing Unit (CPU), controls the input/output, and storage resources and activities of the computer system, and provides various support services as the computer executes the application programs of users.
Correct Answer
C. Operating System (OS)
Explanation
The correct answer is Operating System (OS). An operating system is an integrated system of programs that manages the operations of the Central Processing Unit (CPU), controls the input/output, and storage resources and activities of the computer system, and provides various support services as the computer executes the application programs of users. It acts as an intermediary between the hardware and software components of a computer system, allowing users to interact with the computer and execute their desired tasks.
13.
... is the keyboard shortcut for Paste
Correct Answer
B. CTRL V
Explanation
The correct answer is CTRL V. CTRL V is the keyboard shortcut for the Paste function. When you have copied something to the clipboard, pressing CTRL V will paste the copied item into the desired location. This shortcut is commonly used in various applications and saves time by eliminating the need to manually navigate through menus to find the Paste option.
14.
... is a keyboard shortcut for select all
Correct Answer
A. CTRL A
Explanation
CTRL A is a keyboard shortcut that is commonly used to select all the content within a document or a specific area. By pressing CTRL A, the user can quickly highlight and select all the text, images, or other elements present in the active window or document. This shortcut is particularly useful when you want to perform actions on the entire selection, such as copying, cutting, or formatting.
15.
What is the meaning of the acronym RAM
Correct Answer
B. Random Access Memory
Explanation
RAM stands for Random Access Memory. It is a type of computer memory that allows data to be read from or written to in almost the same amount of time regardless of the physical location of the data inside the memory. This makes RAM a fast and temporary storage space that is used by the computer to store data that is actively being used by the processor. RAM is volatile memory, meaning that its contents are lost when the computer is turned off or restarted.
16.
What is the meaning of the acronym LAN
Correct Answer
C. Local Area Network
Explanation
LAN stands for Local Area Network. It is a computer network that connects devices within a limited area such as a home, office, or building. LANs are commonly used to share resources, such as printers and internet connections, and allow for communication between devices. The term "local" refers to the limited geographical area that the network covers, distinguishing it from wide area networks (WANs) that cover larger areas such as cities or countries.
17.
... is the concept of acquisition, handling, processing and distribution of data/information using computer hardware and software, telecommunications and digital electronics.
Correct Answer
A. Information and Communication Technology
Explanation
The concept described in the question involves the acquisition, handling, processing, and distribution of data/information using computer hardware and software, telecommunications, and digital electronics. This concept is commonly known as Information and Communication Technology (ICT). ICT encompasses various technologies and tools that enable the efficient management and communication of information. Therefore, the correct answer is Information and Communication Technology.
18.
... is the process of switching off the computer using the main switch.
Correct Answer
B. Cold Booting
Explanation
Cold booting refers to the process of starting up a computer system from a completely powered-off state. It involves turning on the computer using the main power switch or unplugging and then plugging back in the power cord. This process initializes the computer's hardware and software, loading the operating system and other necessary files into memory. Cold booting is typically done when a computer is first being turned on or after a complete shutdown, and it helps to ensure a fresh start for the system.
19.
Which of the Computer Generations uses Microprocessors?
Correct Answer
C. Forth Generation
Explanation
The fourth generation of computers uses microprocessors. Microprocessors are integrated circuits that contain the functions of a central processing unit of a computer. They are the main component of modern computers and are responsible for executing instructions and performing calculations. The fourth generation of computers, which began in the late 1970s and continued into the 1980s, saw the widespread use of microprocessors in personal computers and other computing devices. This advancement in technology allowed for smaller, faster, and more efficient computers, marking a significant milestone in computer development.
20.
IBM introduced its first computer for the home user in .....
Correct Answer
A. 1981
Explanation
IBM introduced its first computer for the home user in 1981. This marked a significant milestone in the history of personal computing, as it brought the power and capabilities of a computer into the homes of everyday individuals. This development allowed for greater accessibility and utilization of computers, paving the way for the widespread adoption of personal computing technology that we see today.
21.
What brought the third generation of computer into existence?
Correct Answer
B. Integrated Circuit
Explanation
The third generation of computers came into existence due to the development of integrated circuits. Integrated circuits are small electronic circuits that are made up of several components such as transistors, resistors, and capacitors, all integrated onto a single chip. This advancement allowed for the miniaturization of computer components and increased their processing power. Integrated circuits revolutionized the computer industry by making computers smaller, faster, and more reliable.
22.
... is a system of carrying out work formerly done by humans, and to control sequences of operations without human intervention.
Correct Answer
C. Automation
Explanation
Automation is the correct answer because it refers to a system that carries out work that was previously done by humans and controls sequences of operations without human intervention. This can involve the use of hardware and software in information technology to streamline and optimize processes, reducing the need for human involvement and increasing efficiency.
23.
Choose from the list below the input devices
Correct Answer(s)
A. Mouse
C. Scanner
D. Keyboard
Explanation
The correct answer is Mouse, Scanner, and Keyboard. These devices are all input devices because they allow the user to input data or commands into a computer system. The mouse is used to control the cursor and select objects on the screen, the scanner is used to convert physical documents or images into digital format, and the keyboard is used to input text and commands.
24.
... is refers as pointing device
Correct Answer
C. Mouse
Explanation
The correct answer is Mouse. A mouse is a pointing device commonly used to control the movement of the cursor on a computer screen. It allows users to navigate through graphical user interfaces by moving the mouse across a flat surface and clicking on buttons or icons. The other options, keyboard and joystick, are input devices but are not specifically designed as pointing devices like a mouse.
25.
The acronym MODEM stands for....
Correct Answer
A. MOdulation DEModulation
Explanation
The correct answer is MOdulation DEModulation. A MODEM is a device that modulates analog signals into digital signals for transmission over a telephone line, and also demodulates the received digital signals back into analog signals. It is used to establish a connection between a computer or other digital devices and the internet or a network. The term "modulation" refers to the process of converting digital data into analog signals, while "demodulation" refers to the process of converting analog signals back into digital data. Therefore, MOdulation DEModulation accurately represents the purpose and function of a MODEM.
26.
How many bytes are made up of Kilobyte?
Correct Answer
C. 1024 bytes
Explanation
The correct answer is 1024 bytes. In computing, a kilobyte (KB) is typically defined as 1024 bytes, not 1000 bytes. This is because computers use a binary system where each unit is a power of 2. Therefore, 1024 bytes make up a kilobyte, not 1000 bytes.
27.
An on or an off signal which passes through the computers circuitry is called ....
Correct Answer
B. Bit
Explanation
A bit is the correct answer because it is the smallest unit of information in computing and represents a binary digit, which can be either 0 or 1. It is used to represent the on or off state of a signal passing through a computer's circuitry. A byte, on the other hand, is a unit of data that consists of 8 bits. Therefore, a bit is the appropriate term for an on or off signal in a computer's circuitry.
28.
A byte is made up of ....
Correct Answer
A. 8 Bits
Explanation
A byte is made up of 8 bits. This is a standard unit of digital information storage and processing. Each bit can represent a binary value of either 0 or 1, and when combined, 8 bits form a byte. This byte is commonly used to represent characters, numbers, and other data in computer systems.
29.
... devices display information on the screen
Correct Answer
C. Monitor
Explanation
A monitor is a device that is specifically designed to display information on a screen. While printers and scanners are used for printing and scanning documents respectively, they do not have the capability to display information on a screen like a monitor does. Therefore, the correct answer is monitor.
30.
What is the keyboard shorcut for Save?
Correct Answer
B. CTRL S
Explanation
The correct answer is CTRL S. This keyboard shortcut is commonly used to save a document or file in various software applications. By pressing CTRL S, the user can quickly save their work without having to navigate through menus or use the mouse. It is a widely recognized and convenient shortcut for saving files efficiently.
31.
What is the keyboard shortcut for Print?
Correct Answer
A. CTRL P
Explanation
The keyboard shortcut for Print is CTRL P. This combination of keys allows the user to quickly print the current document or page without having to navigate through the print options in the menu. By pressing CTRL P, the user can easily initiate the printing process and send the document to the printer.
32.
What is the keyboard shortcut for Undo?
Correct Answer
B. CTRL Z
Explanation
The keyboard shortcut for Undo is CTRL Z. This shortcut is commonly used in various computer applications and programs to reverse the last action or restore a previous state. By pressing CTRL Z, users can easily undo their most recent action and revert back to the previous state or version of a document or file.
33.
What is the keyboard shortcut for Redo?
Correct Answer
A. CTRL Y
Explanation
The correct keyboard shortcut for Redo is CTRL Y. This combination of keys allows the user to redo or repeat the last action that was undone using the Undo command. By pressing CTRL Y, the user can quickly restore any changes that were previously undone and revert back to the previous state of the document or application.
34.
What is the meaning of the acronym ATM?
Correct Answer
C. Automated Teller Machine
Explanation
The meaning of the acronym ATM is Automated Teller Machine. An ATM is a machine that allows individuals to perform various banking transactions, such as withdrawing cash, depositing money, and checking account balances, without the need for human assistance. The term "automated" refers to the fact that the machine operates automatically, while "teller" indicates its function of performing tasks typically carried out by a human bank teller. Therefore, Automated Teller Machine accurately describes the purpose and functionality of this banking device.
35.
What saw the second generation of computer?
Correct Answer
A. Transistors
Explanation
The second generation of computers saw the use of transistors. Transistors replaced vacuum tubes in computers, making them smaller, faster, and more reliable. Transistors were the main building blocks of electronic devices during this era and played a crucial role in advancing computer technology. The use of transistors in the second generation of computers marked a significant milestone in the development of modern computing.
36.
... is a special type of computer that is commonly used to perform a single, very complex task that requires massive processing power
Correct Answer
C. Supercomputer
Explanation
A supercomputer is a special type of computer that is commonly used to perform a single, very complex task that requires massive processing power. Unlike personal computers (PCs) or mainframe computers, supercomputers are specifically designed to handle extremely large and complex calculations and simulations. They are used in various fields such as scientific research, weather forecasting, and cryptography, where high-speed calculations and data processing are crucial. Supercomputers typically consist of multiple processors working together in parallel to achieve high computational capabilities, making them ideal for tackling computationally intensive tasks.
37.
... are sets of instructions that drive the computers hardware (peripherals) to do work
Correct Answer
B. Software
Explanation
Software refers to sets of instructions that drive the computer's hardware or peripherals to perform specific tasks or work. It includes programs, applications, and operating systems that enable users to interact with the hardware and perform various functions. Unlike hardware, software is intangible and can be installed, updated, and removed from the computer system as needed. Therefore, software is the correct answer as it accurately describes the sets of instructions that control and direct the computer's hardware to perform tasks.
38.
... creates an enabling environment for other applications to be written upon
Correct Answer
A. System software
Explanation
System software is the correct answer because it is responsible for providing a platform or environment in which other applications can be developed and run. It includes operating systems, device drivers, and utility programs that manage and control the hardware resources of a computer system. System software acts as an intermediary between the hardware and the application software, ensuring that the applications can access and utilize the resources efficiently. Without system software, it would be difficult or impossible to develop and run other applications on a computer system.
39.
Microsoft word is an example of which of the following
Correct Answer
C. Application Software
Explanation
Microsoft Word is an example of application software because it is a program that is designed to perform specific tasks or applications for the user. It is not a system software, which refers to the operating system and other low-level programs that manage the computer's resources. It is also not hardware, which refers to the physical components of the computer system. Microsoft Word allows users to create, edit, and format documents, making it an application software.
40.
What is the meaning of the acronym PC?
Correct Answer
B. Personal Computer
Explanation
The acronym PC stands for Personal Computer. A personal computer is a general-purpose computer designed for individual use. It is a small, relatively inexpensive computer that is intended for personal use and is often used in homes, offices, and schools. The term "Personal Computer" typically refers to a desktop computer or a laptop computer that is used by an individual for various tasks such as word processing, internet browsing, gaming, and more.
41.
What is the meaning of the acronym ICT?
Correct Answer
A. Information and Communication Technology
Explanation
ICT stands for Information and Communication Technology. This acronym refers to the use of technology to manage and process information and facilitate communication. It encompasses a wide range of technologies, including computers, software, networks, and telecommunications, that enable the storage, retrieval, transmission, and manipulation of data. ICT plays a crucial role in various sectors, such as education, business, healthcare, and government, by improving efficiency, productivity, and connectivity.
42.
WAN stands for .....
Correct Answer
C. Wide Area Network
Explanation
WAN stands for Wide Area Network. A Wide Area Network is a network that covers a large geographical area, typically spanning multiple cities or even countries. It is used to connect multiple Local Area Networks (LANs) together, allowing for communication and data transfer between different locations. The term "wide" refers to the extensive coverage of the network, making it suitable for organizations with branches or offices in different locations.
43.
... is a type of computer hardware that generates information in a hard copy form
Correct Answer
B. Printer
Explanation
A printer is a type of computer hardware that generates information in a hard copy form. Unlike a monitor, which displays information on a screen, or a scanner, which captures and converts physical documents into digital format, a printer produces physical copies of digital documents or images. It does so by transferring ink or toner onto paper or other types of media, creating a tangible output that can be held and viewed.
44.
... is a process of switching off the computer using three keys at the same time (CTRL + ALT + DEL).
Correct Answer
C. Warm Booting
Explanation
Warm booting is the correct answer because it refers to the process of restarting a computer without completely powering it off. In warm booting, the computer's operating system is restarted, but the hardware is not fully reset. This can be done by using the CTRL + ALT + DEL keys simultaneously to initiate a reboot. Warm booting is often used to troubleshoot minor software issues or to refresh the system without going through a full startup process.
45.
Almost every medium-size or large company will use computers to help run the office
Correct Answer
A. True
Explanation
It is true that almost every medium-size or large company will use computers to help run the office. Computers have become an essential tool in modern offices for various tasks such as data management, communication, document processing, and more. They improve efficiency, productivity, and enable easy access to information. Therefore, it is reasonable to assume that most companies of this size would utilize computers in their office operations.
46.
Which tab from the display property box would you use to change screen resolution?
Correct Answer
A. Settings
Explanation
The correct answer is "Settings" because the screen resolution is typically adjusted in the settings tab of the display property box. The settings tab allows users to modify various display settings, including the screen resolution, which determines the number of pixels displayed on the screen. By accessing the settings tab, users can customize the screen resolution to fit their preferences or requirements.
47.
What is the recommended monitor refresh rate?
Correct Answer
C. 72 hz
Explanation
The recommended monitor refresh rate is typically 60 Hz. However, some people may prefer a higher refresh rate, such as 72 Hz, for smoother motion and reduced eye strain. While 72 Hz is not the standard recommendation, it can still be a viable option for those who want a slightly higher refresh rate for their monitor.
48.
Once software is downloaded, how do you start the installation?
Correct Answer
C. Double Click
Explanation
To start the installation of downloaded software, you need to double click on the downloaded file. Double clicking on the file will initiate the installation process and open the installation wizard or prompt, allowing you to proceed with the installation steps. This action is commonly used to execute or open files on a computer, including software installation files.
49.
How do you access the desktop properties?
Correct Answer
B. Right Click the Desktop
Explanation
To access the desktop properties, you need to right-click on the desktop. This action will open a context menu where you can select the "Properties" option. By doing so, you can access and modify various settings related to the desktop, such as the background image, screen resolution, and display settings.
50.
To change the appearance of an icon, which tab from display property box would you select?
Correct Answer
C. Desktop
Explanation
To change the appearance of an icon, you would select the "Desktop" tab from the display property box. This tab allows you to customize various aspects of your desktop, including the appearance of icons.