1.
WWW stands for:
Correct Answer
B. World Wide Web
Explanation
The correct answer is "World Wide Web". The term "WWW" is an abbreviation for the World Wide Web, which is a system of interconnected documents and resources that are accessed through the Internet. It is a network of information that allows users to access websites, web pages, and other online content. The World Wide Web has revolutionized the way people communicate, access information, and conduct business online.
2.
________ is used to communicate from one city to another.
Correct Answer
A. WAN
Explanation
A WAN (Wide Area Network) is used to communicate from one city to another. Unlike LAN (Local Area Network) and MAN (Metropolitan Area Network) which are limited to a specific area, WAN covers a larger geographical area, connecting multiple cities or even countries. It utilizes various technologies such as leased lines, satellite links, or internet connections to establish communication between distant locations. Therefore, WAN is the correct answer as it specifically addresses communication between cities.
3.
A________________ is a group of independent computers attached to one another through communication media.
Correct Answer
C. Network
Explanation
A network is a group of independent computers attached to one another through communication media. This allows the computers to share resources, such as files and printers, and communicate with each other. The internet is a global network that connects millions of computers worldwide. E-mail is a communication method that relies on networks to send and receive messages. Therefore, all of the above options are correct as they all involve networks in some way.
4.
Early speedometers are an example of ____________ computers.
Correct Answer
C. Analog
Explanation
An early speedometer is an example of an analog computer because it measures and displays continuous data in the form of a needle on a dial, which corresponds to the speed of a vehicle. Analog computers use physical quantities, such as voltage or current, to represent and manipulate data. They are well-suited for tasks that require real-time processing and precise measurements, making them ideal for applications like speed measurement in vehicles.
5.
Which of the following software is used to view web pages?
Correct Answer
A. Web Browser
Explanation
A web browser is a software application that is used to view web pages. It allows users to access and navigate the World Wide Web. It interprets HTML code, displays web pages, and enables users to interact with websites by clicking on links, filling out forms, and more. Options like "Internet Browser" and "Page Browser" are not commonly used terms to refer to web browsers, making them incorrect choices. Therefore, the correct answer is "Web Browser."
6.
Which of the following is used to save the frequently visited websites?
Correct Answer
B. Favorites List/Bookmarks
Explanation
The correct answer is "Favorites List." In web browsers like Internet Explorer and Microsoft Edge, you can save frequently visited websites to your "Favorites" or "Bookmarks" list for easy access. This allows you to quickly revisit your favorite websites without having to type in the URL each time.
7.
Which of the following is a presentation program?
Correct Answer
C. Ms-PowerPoint
Explanation
Ms-Power Point is a presentation program. It is a part of the Microsoft Office suite and is specifically designed for creating and delivering presentations. It allows users to create slideshows with text, images, videos, and animations, making it an ideal tool for presenting information in a visually appealing and engaging manner. MS-Power Point offers various features like slide transitions, templates, and formatting options to enhance the overall presentation. It is widely used in business, education, and other professional settings for presenting ideas, reports, projects, and proposals.
8.
ISP stands for:
Correct Answer
B. Internet Service Provider
Explanation
ISP stands for Internet Service Provider. An ISP is a company or organization that provides internet access to customers. They offer various types of internet connections, such as broadband, DSL, or fiber optic, and allow users to connect to the internet. ISPs are responsible for maintaining the infrastructure and network required for internet connectivity and often provide additional services like email accounts, web hosting, and virtual private networks (VPNs). Therefore, the correct answer is Internet Service Provider.
9.
Every number system has a base, which is called __________.
Correct Answer
C. Radix
Explanation
The correct answer is "Radix". In every number system, there is a base or radix which determines the number of unique digits used and the value of each digit. For example, in the decimal system, the radix is 10 because there are 10 unique digits (0-9). Similarly, in the binary system, the radix is 2 because there are only 2 unique digits (0 and 1). The radix is essential in understanding and interpreting numbers in different number systems.
10.
A Bit Stands for:
Correct Answer
A. Binary Digit
Explanation
A bit stands for "Binary Digit" because it is the smallest unit of information in computing and digital communications. It can only have two possible values, 0 or 1, which correspond to the binary numbering system. This term is widely used in computer science and information technology to represent the basic building block of data storage and processing.
11.
Collection of 1024 Bytes:
Correct Answer
B. 1KB
Explanation
The correct answer is 1KB because 1KB (kilobyte) is equal to 1024 bytes. The question is asking for a collection of 1024 bytes, and out of the given options, 1KB is the only one that matches this requirement. 1MB (megabyte) is equal to 1024 KB, 1TB (terabyte) is equal to 1024GB, and 1GB (gigabyte) is equal to 1024MB.
12.
________________ is the process in which a user sends computer information from his computer to another computer through a modem.
Correct Answer
B. Uploading
Explanation
Uploading is the process in which a user sends computer information from his computer to another computer through a modem. This involves transferring files, data, or any other form of information from the user's computer to a remote server or another computer. Downloading, on the other hand, refers to the process of receiving information from another computer or server to the user's computer. Therefore, the correct answer is Uploading.
13.
Vacuum tubes was used in ___________________generation.
Correct Answer
A. First
Explanation
Vacuum tubes were used in the first generation of electronic devices. These devices were developed in the early 20th century and used vacuum tubes as a key component for amplifying and controlling electrical signals. Vacuum tubes were later replaced by transistors in the second generation of electronic devices.
14.
Which of the following performs arithmetic and logical operations?
Correct Answer
B. Arithmetic Logic Unit
Explanation
The correct answer is the Arithmetic Logic Unit. The Arithmetic Logic Unit (ALU) is responsible for performing arithmetic operations (such as addition, subtraction, multiplication, and division) as well as logical operations (such as AND, OR, and NOT) in a computer system. It is a crucial component of the central processing unit (CPU) and is responsible for executing the instructions of a program by manipulating data and making decisions based on logical conditions.
15.
Which of the following is a storage device?
Correct Answer
D. All of the above
Explanation
All of the options listed (Hard Disk, USB Disk, and Floppy Disk) are storage devices. A storage device is any hardware that is used to store and retrieve data. A hard disk is a non-volatile storage device that stores data magnetically on a spinning disk. A USB disk, also known as a USB flash drive or thumb drive, is a portable storage device that uses flash memory to store data. A floppy disk is a magnetic storage device that was commonly used in the past but is now considered obsolete. Therefore, all three options qualify as storage devices.