WAEC Computer Hardware and GSM Repairs (Essay & Obj) Answers 2026/2027

WAEC Computer Hardware and GSM Repairs (Essay & Obj) Answers 2026/2027: WAEC Computer Hardware and GSM Repairs (Essay & Obj) tests candidates on troubleshooting, repairing, and maintaining electronic devices. To pass, you must understand standard diagnostic procedures, tool usage, and common hardware/software errors outlined in official examination rubrics.

WAEC Computer Hardware and GSM Repairs Answers 2026/2027

2026 WAEC COMPUTER HARDWARE AND GSM REPAIR OBJECTIVE QUESTIONS

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WAEC COMPUTER ANSWERS

(1ai)
(i)Theft Deterrent
(ii)Data Security

(1aii)
(i)Go to the phone’s Settings menu and select Security (or Lock Screen).
(ii)Tap on Screen Lock and choose the Pattern option.
(iii)Draw your desired pattern on the grid, tap Continue, redraw it to confirm, and tap Confirm.

(1bi)
collateral refers to an asset (such as property, equipment, or land) that a business owner pledges to a lender as security for a loan. If the owner fails to repay the loan used to start the repair business, the lender can seize the collateral to recover the debt.

(1bii)
(i)Strong Competition
(ii)Inadequate Equipment
(iii)Strong Competition

WAEC COMPUTER ANSWERS

3ai)
(i)CPU (Application Processor)
(ii)Display/Touch Connector
(iii)Touch IC

(3aii)
(i)Touch IC: Re-soldering (reflowing) or replacing the IC chip.
(ii)Connector: Cleaning the connector with IPA (Isopropyl Alcohol) or re-seating the ribbon cable properly.

(3b)
(i)Main Antenna: For cellular signals (LTE/5G).
(ii)Wi-Fi/Bluetooth Antenna: For short-range wireless connectivity.

(3c)
(i)Rear-mounted: Located on the back of the device.
(ii)Side-mounted: Integrated into the power button.
(iii)In-display (Under-display): Located beneath the screen.

WAEC COMPUTER HARDWARE ANSWERS

NUMBER FIVE

(5ai)
(i)Insufficient Storage Space
(ii)Poor Internet Connectivity

(5aii)
(i)For Storage: Delete unused apps, clear cached data, or move media files (photos/videos) to cloud storage or an SD card.
(ii)For Connectivity: Restart the router, switch between Wi-Fi and mobile data, or toggle Airplane Mode on and off to reset the network connection.

(5bi)
Business risk refers to the possibility of experiencing lower than expected profits or a loss. In phone repair, this includes potential accidental damage to a customer’s device during repair, rapid technology changes making current spare parts obsolete, or legal liabilities arising from data privacy breaches.

(5bii)
(i)Technical Expertise: Having skilled technicians who can accurately diagnose and fix complex hardware and software issues.
(ii)Quality of Spare Parts: Using genuine or high-quality replacement components to ensure customer satisfaction and reduce return rates.

WAEC COMPUTER ANSWERS

(6aii)
Flex cable/ribbon cable

(6bi)
(i)USB/charging port
(ii)Microphone
(iii)Headphone jack

(6bii)
Smartphone (Android)

(6ci)
(i)Phone will not charge
(ii)Data transfer will not work

(6cii)
(i)Screwdriver (pentalobe/Phillips)
(ii)Spudger/pry tool

(6di)
(i)X = Li-ion (Lithium-ion) battery
(ii)Y = Li-Po (Lithium Polymer) battery

(6dii)
To Store and supply electrical energy to power the mobile phone

(6diii)
(i)Phone shuts down unexpectedly
(ii)Battery drains very quickly
(iii)Phone does not power on

(6div)
(i)Less expensive / cheaper to produce

(6div)
(i)Lighter and thinner in size
(ii)Less likely to swell or explode (safer)

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WAEC COMPUTER ANSWERS

(4a)

DIAGRAM

(4b)
(i) Charger output rating: The charging rate depends on the voltage and current output of the charger. A charger with higher current output (e.g., 2A or 3A) charges the battery faster than a low-current charger.
(ii) Battery capacity and condition: Batteries with larger capacity take longer to charge. Also, an old or weak battery charges more slowly because it cannot efficiently store power.

(4ci)
Faulty or disconnected hard drive/SSD.

(4cii)
Reconnect or replace the hard drive/SSD and ensure it is proper

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WAEC COMPUTER ANSWERS

(7ai)
iPhone Restore/Recovery mode

(7aii)
Apple (iPhone)

(7aiii)
(i)Fixing a software crash/boot loop
(ii)Removing a forgotten passcode/lock

(7aiv)
(i)Connect the iPhone to a computer using a USB cable
(ii)Open iTunes (or Finder on Mac)
(iii)Force restart the phone to enter Recovery Mode
(iv)Select Restore or Update on iTunes/Finder
(v)Wait for the software to download and install

(7av)
(i)Back up all data before performing the restore operation

(7bi)
Phone software repair box / Flash box (WJS-3)

(7bii)
To flash/reinstall the operating system on a mobile phone

(7biii)
A computer/laptop (via USB cable)

(7biv)
(i)Phone is dead/not booting (software related)
(ii)Phone is permanently locked/forgotten password
(iii)Phone has a corrupted or damaged operating system

(7bv)
(i)Install the flash box software/drivers on the computer
(ii)Connect the phone to the flash box using the appropriate cable
(iii)Connect the flash box to the computer via USB
(iv)Load/select the correct firmware for the phone
(v)Click Flash/Start to begin the repair process

(7bvi)
(i)Ensure the phone battery is sufficiently charged before flashing to avoid interruption during the process

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