2024 NECO COMPUTER: 2024 NECO COMPUTER QUESTIONS AND ANSWERS (8463)

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COMPUTER STUDIES

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(2ai)

E mail service is a means of sending message,text and computer files between computers via the internet. Email is the exchange of computer stores messages by telecommunications. Email service provider (ESP) allows users to send email campaigns to a list of subscribers.


(2aii)

(i) managing email is easy

(ii) Email is fast

(iii) Email is inexpensive


(2bi)

Broadcasting is the distribution of audio and video content to a dispersed audience via any audio or visual mass communications medium, but usually one using electromagnetic radiation (radio waves). The receiving parties may include the general public or a relatively large subset thereof. Broadcasting has been used for purposes of private recreation, non commercial exchange of messages,experimentation ,self training and emergency communication.


(2bii)

(i) Personal Area Network (PAN)

(ii) Metropolitan Area Network (MAN)

(iii) Local Area Network (LAN)


This is 2024 NECO COMPUTER QUESTIONS AND ANSWERS No. 2

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(3i)

Bandwidth: Bandwidth is the capacity of data that can be transferred between the website, its users and the servers. It is the capacity of the connection between the website user and the server. Bandwidths are either expressed in MB/s (Megabytes per Second) or GB/s (Gigabytes per Second).


(3ii)

Bookmark :  Bookmark is a Web browser feature used to save a Uniform Resource Locator(URL) address for future reference. Bookmarks save user and browser time, which is especially useful for Web pages with long Uniform Resource Locator(URLs).Browsers usually provide folder options for related bookmarks


(3iii)

Download: Download means to receive data from a remote system, typically a server such as a web server, an FTP server, an email server, or other similar system. Download can refer to the general transfer of a file from one computer to another over a network,usually from a larger server to a user device.


(3iv)

HTML: HTML stands for HyperText Markup Language. It is a standard markup language for web page creation. It allows the creation and structure of sections, paragraphs, and links using HTML elements (the building blocks of a web page) such as tags and attributes.


(3v)

Hyperlink: Hyperlink is an element in an HTML document that links to either another portion of the document or to another document altogether. On webpages, hyperlinks are usually colored purple or blue and are 'copied from e x a m p l a z a . c o m free' sometimes underlined.


This is 2024 NECO COMPUTER QUESTIONS AND ANSWERS No. 3

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(4ai)

Hotspots are hyperlinks within your Microsoft PowerPoint presentations. Rather than adding text or buttons, you can make an image a link directly for a more stylish and professional looking presentation. Hotspots prompt the user to click on them to display more information about the object/image being viewed


(4aii)

(Pick Any Four)


(i) Flexibility

(ii)User  Friendly

(iii)Portability

(iv)Reliability

(v)Self-Documenting Code


(4b)

ADVANTAGES OF RADIO BROADCASTING:

(Pick Any Three)


(i)Radio broadcasting can be enjoyed at home, at work, and while driving.

(ii) Permits you to create a personality for your business using only sounds and voices.

(iii) Radio provides a huge selection of channels based on geographical location

(iv)Compared to TV, radio is a cost-efficient


DISADVANTAGES OF RADIO BROADCASTING:

(Pick Any Three)


(i) Listeners cannot refer back to your adverts to go over important points.

(ii)Only audio media and no visuals are available

(iii)It has limited research data and frequency bandwidth

(iv)Sometimes it is difficult to get the proper signals from a radio station


This is 2024 NECO COMPUTER QUESTIONS AND ANSWERS No. 4

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5a)

• A light pen is a light-sensitive computer input device, basically a stylus, that is used to select text, draw pictures and interact with user interface elements on a computer screen or monitor. 

• A barcode reader (or barcode scanner) is an optical scanner that can read printed barcodes, decode the data contained in the barcode and send the data to a computer.

• A plotter is a printer that interprets commands from a computer to make line drawings on paper with one or more automated pens.

• Speaker is an output hardware device that connects to a computer to generate sound.

===========================

5b)

• drum plotter

• flatbed plotter 


ii)A graphics package is an application that can be used to create and manipulate images on a computer.

• painting packages

• drawing packages


This is 2024 NECO COMPUTER QUESTIONS AND ANSWERS No. 5

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(6ai)

System software is a type of computer program that is designed to run a computer's hardware and application programs.


(6aii)

(i) System software runs when the system is turned on and stop when the system is turned off. WHILE Application Program runs as per the user's request. 

(ii) Example of System software is operating system WHILE That of Application software are Photoshop, VLC player etc.

(iii) System software is meant to administer the system resources. WHILE application Program is meant to enable the user to carry out some specific set of tasks or functions.


(6bi)

{CHOOSE ANY TWO}

(i) The CPU is responsible for all data processing operations.

(ii) It saves information such as data, intermediate results, and instructions (program).

(iii) It directs the operation of all computer components.

(iv) Controlling all other parts of the machine and sending timing signals.

(v) Transferring data between memory and I/O devices.

(vi) Fetching data and instructions from memory.

(vii) Performing arithmetical and logical operations.

(viii) Executing programs stored in memory.


(6bii)

{CHOOSE ANY TWO}

(i) control unit (CU)

(ii) arithmetic logic unit (ALU) 

(iii) registers.

(iv) cache.

(v) buses.


(6biii)

{CHOOSE ANY FOUR} 

(i) HDMI cable 

(ii) VGA cable

(iii) DVI 'copied from e x a m p l a z a . c o m free' cable

(iv) Ethernet Cable

(v) PS/2 Cable

(vi) 5mm Audio Cable


-EXPLANATION-

{CHOOSE ANY TWO AND EXPLAIN}

(i) HDMI cable: HDMI (High definition Media Interface) is a type of computer cable used to transmit high definition video and audio signals. Using the HDMI cables, the audio and video signal can be easily transmitted without compromising the quality of images and can send crystal clear images using this cable. 

(ii) VGA cable: VGA (Video Graphics Ray) cable is another type of computer cable which is used for sending video signals and is used to link the monitor and the CPU of a computer. The VGA cable can also be used in HD televisions. All the information displayed on the monitor is coming from the VGA cable. There is a total of 15 pins in the plugin the cable, which have three rows containing 5 pins each. And the cable is easily fitted in the monitor and the other end is fixed in the CPU of a computer system.

(iii) DVI cable: DVI cables are used to connect the LCD monitor and the video card. Using this cable, the user can see high image quality without having any disturbance. The DVI cable is mostly used in CRT monitors, which have a VGA connection. This cable transmits the digital and analog signals to the computer system.

(iv) Ethernet Cable:  The Ethernet cable is a type of computer network cable which is used for a wired network. The Ethernet cable is used to connect the switches, monitors, PCs to the 'copied from e x a m p l a z a . c o m free' LAN (Local Area Network). The length and durability of the Ethernet cable describe the quality of the connection. 

(v) PS/2 Cable: The PS/2 cable is a standard cable to connect the mouse and keyboard to the computer system. The length of the PS/2 cable is long enough so that the user can easily connect the mouse and keyboard to the system and use the system. There are a total of 6 pins in PS/2 cables and have a round connector. There are majorly two sizes of PS/2 cable. The smaller size is the most common cable, but some adaptors can be used to convert it into a larger size.

(vi) 5mm Audio Cable: The 3.5mm audio cables are a type of computer cables that are used in computer audio applications. This cable can be used for connecting a mini-stereo audio device, PC sound card or any portable CD player to any multimedia speaker. This cable can also be used to connect earphones and headphones to the system.


This is 2024 NECO COMPUTER QUESTIONS AND ANSWERS No. 6

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