POST UTME Unical Computer Past Questions And Answers
What type of device is a computer keyboard
- A) Input
- B) Output
- C) Software
- D) Storage
Correct Answer: A) Input
Explanation
This question is asking about the type of device that a computer keyboard is. The options are input, output, software, storage, and processing.A computer keyboard is a device that is used to input data into a computer. This means that it is used to enter information, such as text, numbers, and commands, into a computer system. Therefore, the correct answer to this question is Option A: Input.
It is important to note that there are other types of input devices, such as a mouse, touchpad, and microphone, that also allow users to interact with a computer system.
On the other hand, output devices are used to display or present data that has already been processed by the computer. Examples of output devices include monitors, printers, and speakers.
Software refers to the programs and applications that run on a computer system, while storage devices are used to store data, such as hard drives and USB flash drives.
Finally, processing devices are responsible for carrying out instructions and performing calculations in a computer system. This includes the central processing unit (CPU) and graphics processing unit (GPU).
To summarize, a computer keyboard is an input device that is used to enter data into a computer system.
In computers, what is the smallest and basic unit of information storage?
- A) Bit
- B) Byte
- C) Newton
- D) Mega byte
Correct Answer: A) Bit
Explanation
This question is asking about the smallest and basic unit of information storage in computers. The answer to this question is Option A: Bit.A bit is the smallest and most basic unit of information storage in computers. It is a binary digit that can either be 0 or 1, representing the two possible states of a switch or transistor in a computer.
A byte, on the other hand, is a unit of information consisting of 8 bits. Bytes are commonly used to represent characters such as letters, numbers, and symbols in computer systems.
Option C, Newton, is a unit of force in physics and has no relation to information storage in computers. Option D, Mega byte, and Option E, Kilo byte, are units of storage that are larger than a byte and are used to represent larger amounts of data.
In summary, a bit is the smallest and basic unit of information storage in computers, and it represents a binary digit that can either be 0 or 1. A byte is a unit of storage consisting of 8 bits, and it is commonly used to represent characters in computer systems. For more information, please see the recommended textbooks.
What type of device is a 3 1/2 inch floppy drive?
- A) Input
- B) Output
- C) Software
- D) Storage
Correct Answer: D) Storage
Explanation
The question is asking about the type of device that a 3 1/2 inch floppy drive is. The options given are Input, Output, Software, Storage, and Processing.A 3 1/2 inch floppy drive is a type of storage device. Storage devices are used to store data and programs when they are not being used. They are used to save files, documents, pictures, and other types of data.
Floppy drives were used widely in the past to store data, but they have been replaced by other storage devices such as USB flash drives and external hard drives. Floppy disks are small, square-shaped disks that can be inserted into the floppy drive. They have a low storage capacity compared to other storage devices, such as external hard drives.
Therefore, the correct option for this question is option D: Storage
What type of devices are computer speakers or headphones?
- A) Input
- B) Output
- C) Software
- D) Storage
Correct Answer: B) Output
Explanation
This question is asking about the type of devices that computer speakers or headphones are. The options to choose from are Input, Output, Software, Storage, and Processing.Computer speakers or headphones are devices that allow us to hear sounds from the computer. They play the sounds that are generated by the computer. Therefore, they are devices that output sound.
When we talk about input, we are referring to devices that send data or commands to the computer, such as a keyboard, a mouse, or a microphone. Software refers to the programs or applications that are installed on the computer and that allow us to perform different tasks. Processing refers to the actions that the computer performs to process the data and generate the output. Storage refers to the devices that allow us to save data on the computer, such as hard drives or USB drives.
In conclusion, computer speakers or headphones are output devices as they allow us to hear sounds from the computer. Therefore, the correct option is B. Output.
What type of devices are CDs or DVDs?
- A) output
- B) software
- C) storage
- D) input
Correct Answer: C) storage
Explanation
This question is asking about the type of devices that CDs or DVDs are. The options are output, software, storage, input, and processing. CDs or DVDs are used to store data such as music, videos, or documents. They are a type of storage device that allows the user to save and retrieve data from them.Option A, output, refers to devices that display or present information to the user, such as a monitor or a printer. Option B, software, refers to the programs or applications that run on a computer. Option D, input, refers to devices that allow the user to input data into a computer, such as a keyboard or a mouse. Option E, processing, refers to the actions performed by the computer to manipulate data, such as calculations or sorting.
Therefore, the correct answer is option C, storage, as CDs or DVDs are a type of storage device used to store data.
Understanding the different types of computer devices is important for a Computer Studies student as it helps them to know how to use these devices and what they are used for. To learn more about computer devices, it is recommended to read the relevant sections of the recommended textbooks.
Which was the first web browser?
- A) WorldWideWeb
- B) Netscape Navigator
- C) Internet Explorer
- D) Safari
Correct Answer: A) WorldWideWeb
Explanation
The question is asking which web browser was the first one to be created. The options provided are: A) WorldWideWeb, B) Netscape Navigator, C) Internet Explorer, D) Safari, and E) Chrome. To answer this question, we need to understand what a web browser is. A web browser is a software application that allows users to access and view information on the internet.The correct answer to this question is A) WorldWideWeb. WorldWideWeb was created by Sir Tim Berners-Lee in 1990. It was the first web browser ever created and was originally only available on NeXT computers. WorldWideWeb was later renamed to Nexus to avoid confusion with the World Wide Web itself.
Netscape Navigator was one of the most popular web browsers in the 1990s, but it was not the first. Internet Explorer was another popular web browser that was developed by Microsoft. Safari is a web browser developed by Apple and Chrome is a web browser developed by Google.
In summary, the first web browser ever created was WorldWideWeb, which was developed by Sir Tim Berners-Lee in 1990. The other options provided in the question, such as Netscape Navigator, Internet Explorer, Safari, and Chrome, were developed later
It is a small piece of text stored on a user's computer by a web browser for maintaining the state. What we are talking about?
- A) Application
- B) Session
- C) Cookie
- D) QueryString
Correct Answer: C) Cookie
Explanation
This question is asking about a small piece of text that is stored on a user's computer by a web browser for maintaining the state. The question is asking what this piece of text is called.The options provided are: A) Application, B) Session, C) Cookie (which is the correct answer), D) QueryString, and E) Applets.
The correct answer is option C - Cookie. A cookie is a small text file that a website stores on a user's computer or mobile device when they visit the site. Cookies are used to remember a user's preferences and settings, login information, and other details that help to improve the user's experience on the website.
Cookies can be either session cookies or persistent cookies. Session cookies are temporary cookies that are deleted when the user closes their web browser. Persistent cookies, on the other hand, remain on the user's computer or mobile device until they expire or are deleted by the user.
It is important to note that cookies can be used for tracking user behavior across websites, which can raise privacy concerns. However, cookies can also be helpful for improving the user's experience on a website.
To learn more about cookies and their uses, please see the relevant sections of the recommended textbooks.
It is a small piece of text stored on a user's computer by a web browser for maintaining the state. What are we talking about?
- A) Session
- B) Applets
- C) Cookie
- D) Application
Correct Answer: C) Cookie
Explanation
This question is asking about a small piece of text that is stored on a user's computer by a web browser for maintaining the state. The options for this question are as follows: Session, Applets, Cookie, Application, and QueryString. We need to select the option that correctly describes this piece of text.The correct option is Option C: Cookie. A cookie is a small piece of data that is stored on a user's computer by a web browser. It is used to maintain the state of the user's interaction with a website. Cookies are used to remember a user's preferences, login information, and other details related to their interaction with a website. They can also be used to track a user's activity on a website for analytics and advertising purposes.
Session, Option A, is incorrect because a session refers to a period of time during which a user interacts with a website and is not stored on a user's computer. Applets, Option B, are small programs that are executed within a web browser and are not used for maintaining state. Application, Option D, is a broad term that refers to software programs and is not related to the question. QueryString, Option E, is a part of a URL that contains data that is passed to a web server but is not stored on a user's computer.
In summary, the correct option for this question is Option C: Cookie, which is a small piece of data stored on a user's computer by a web browser for maintaining the state of the user's interaction with a website.
What is Windows XP?
- A) Operating System
- B) Storage Device
- C) Processor
- D) Output Device
Correct Answer: A) Operating System
Explanation
This question is asking about Windows XP. Windows XP is a type of software called an operating system. An operating system is what runs the computer and allows other programs to run on it. Windows XP was a popular operating system that was released by Microsoft in 2001 and was used by many people for several years.Option A is correct because Windows XP is an example of an operating system. Option B, C, D, and E are incorrect because they refer to other types of computer components. A storage device is where data is saved on the computer, a processor is the part of the computer that performs calculations and makes decisions, an output device is something that displays information from the computer, and an input device is something that allows a user to interact with the computer, like a keyboard or a mouse.
It is important to note that Windows XP is no longer supported by Microsoft and is not recommended to be used anymore because it is outdated and may have security vulnerabilities. To learn more about operating systems, computer components, and software, please see the relevant sections of the recommended textbooks.
Which of the following is not a storage device?
- A) DVD
- B) Hard Disk
- C) Floppy Disk
- D) Mouse
Correct Answer: D) Mouse
Explanation
This question is asking which of the options provided is not a storage device. The options are DVD, Hard Disk, Floppy Disk, Mouse, and Flash Drive.A storage device is a hardware used for storing and retrieving digital information. For instance, a hard disk is a storage device that is used in computers for storing data permanently. A DVD is a storage device used for storing high-quality videos and data. A floppy disk is a storage device used for storing small files and applications. A flash drive is a storage device used for storing files and documents that can be carried around easily.
The correct answer to this question is option D, which is the mouse. A mouse is an input device that is used to move the cursor on a computer screen and make selections. It is not used for storing or retrieving digital information.
In summary, the correct answer to this question is option D, which is the mouse. To better understand storage devices and their uses, it is recommended to study computer hardware in more detail.

