The Harbinger Computers and Digital Hub

28/06/2024

New office alert.

Complex Opposite old S&A Filling station, Onigbedu road, Itori Ogun State.

19/01/2024

Common types of computer viruses

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19/01/2024

16/01/2024

CPU = Central Processing Unit

RAM = Random Access Memory

ROM = Read Only Memory

PROM = Programmable Read Only Memory

EPROM = Erasable PROM

EEPROM = Electrically EPROM

HDD = Hard Disk Drive

FDD = Floppy Disk Drive

KBD = KeyBoard

I/O = Input & Output

CD = Compact Disk

DVD = Digital Video Disk

SMPS = Switch Mode Power Supply

POST = Power ON Self Test

BIOS = Basic Input Output System

VDU = Visible Display Unit

LED = Light Embedded Diode

LCD = Liquid Crystal Display

USB = Universal Serial Bus

VGA = Video/Visual Graphic Adapter

LAN = Local Area Network

WAN = Wide Area Network

MAN = Metropolitan Area Network

HLL = High Level Language

LLL = Low Level Language

MIPS = Million of Instruction Per Second

Mbps = Mega Bytes Per second

Kbps = Kilo Bytes per second

HTTP = Hyper Text Templates

WWW = World Wide Web

IP = Internet Protocol

ISP = Internet Service Provider

4 Bits = 1 Nibble

8 Bits = 1 Byte

1024 Bytes = 1 Kilo Byte ( KB )

1024 KB = 1 Mega Byte ( MB )

1024 MB = 1 Gyga Byte ( GB )

1024 GB = 1 Tera Byte ( TB )

1024 TB = 1 Peta Byte ( PB )

1024 PB = 1 Exa Byte ( EB )

1024 EB = 1 Zetta Byte ( ZB )

1024 ZB = 1 Yotta Byte ( YB )
HTTP - Hyper Text Transfer Protocol.

HTTPS - Hyper Text Transfer Protocol Secure.

IP - Internet Protocol.

URL - Uniform Resource Locator.

USB - Universal Serial Bus.

VIRUS - Vital Information Resource Under Seized.

3G - 3rd Generation.

GSM - Global System for Mobile Communication.

CDMA - Code Division Multiple Access.

UMTS - Universal Mobile Telecommunication System.

SIM - Subscriber Identity Module.

AVI - Audio Video Interleave

RTS - Real Time Streaming

SIS - Symbian OS Installer File

AMR - Adaptive Multi-Rate Codec

JAD - Java Application Descriptor

JAR - Java Archive

JAD - Java Application Descriptor

3GPP - 3rd Generation Partnership Project

3GP - 3rd Generation Project

MP3 - MPEG player lll

MP4 - MPEG-4 video file

AAC - Advanced Audio Coding

GIF - Graphic Interchangeable Format

16/01/2024

HOW Check and repair Hard Disk Error

Before trying a third-party hard drive repair software to recover data from a corrupted hard drive, we recommend you to try Windows built-in tool to check and repair hard disk error first. If it works, you can easily access your data. Here's how to do it on Windows 10, 8 or 7:

1. Open This PC/Computer, right-click the hard disk or partition which you want to check and click Properties.

2. Select Tools Click > Check now under Error-checking;

3. Check Disk Options dialog will show up and select any one of the following options to check and repair hard disk: To run Chkdsk in read-only mode, click Start;

To repair errors without scanning the volume for bad sectors, select Automatically fix file system errors check box, click Start;

To repair errors, locate bad sectors and recover readable information, click Scan for and attempt recovery of bad sectors, click Start;

4. Select and check both Automatically fix file system errors and Scan for and attempt recovery of back sectors, then click Start.

There, after the whole hard disk repair process, your hard disk or hard drive partition shall be able to work normally. You can then try to access saved data on the hard drive.

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14/01/2024

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12/01/2024

Know these and know peace.
The Harbinger Computer Institute is established to provide solutions to your technological issues. Do well to send a DM today for inquiries.
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12/01/2024

Get your pin from authorized agents. Visit us for both pin and registration. Registration closes soon.

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12/01/2024

Before 2024 JAMB registration begins on Monday, have your NIN, get a working phone, get your own email, know your course of study, know your preferred school, know your subjects combo, ask questions where necessary and start studying.

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24/10/2023

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20/09/2023

Your computers are in the right hands.