Computer & Phone Repair Tools

Question 1

What are the two main categories of specialized instruments required for computer and mobile phone repairs?

Accepted Answer

Hardware tools and software tools.

Question 2

What defines hardware repair tools in the context of computer and mobile phone repairs?

Accepted Answer

Physical instruments used to assemble, disassemble, test, and fix mechanical and electronic components.

Question 3

What are repair software tools primarily used for in computer and mobile phone repairs?

Accepted Answer

Diagnosing, configuring, flashing, or unlocking operating systems and firmware.

Question 4

Which of the following is NOT a primary use of pliers in electronic workshops?

Accepted Answer

Melting solder wire.

Question 5

Why are tweezers often coated with an anti-static material in electronic repairs?

Accepted Answer

To prevent Electrostatic Discharge (ESD) from damaging sensitive integrated circuits.

Question 6

What is a key use of a flashlight or focused LED work light in computer and mobile phone repairs?

Accepted Answer

Illuminating the dark, compact interior of device casings.

Question 7

What is a key difference between analogue and digital multimeters?

Accepted Answer

Analogue multimeters use a moving pointer, while digital multimeters display numerical values on an LCD screen.

Question 8

Which of the following is a primary function of a multimeter in computer and mobile phone repairs?

Accepted Answer

Testing continuity to locate broken traces or short circuits.

Question 9

What is the main purpose of a Power Supply Unit (PSU) tester?

Accepted Answer

To test the functionality of a computer's power supply unit without connecting it to a motherboard.

Question 10

Which type of screwdriver bit is specifically used to open Apple iPhones and MacBooks?

Accepted Answer

Pentalobe.

Question 11

What is the primary function of a Printed Circuit Board (PCB) holder in a repair workstation?

Accepted Answer

To grip a motherboard securely and prevent movement during delicate operations.

Question 12

What is the main role of a flasher (hardware box or dongle) in mobile phone repairs?

Accepted Answer

To act as a secure bridge for deep-level communication between a computer and the phone's flash memory.

Question 13

Which of the following is a key use of a computer set in a repair workshop?

Accepted Answer

Running flashing, unlocking, and diagnostic software.

Question 14

Which flashing software is used exclusively for flashing official firmware on Samsung Android devices?

Accepted Answer

Odin.

Question 15

What is the primary purpose of flashing software like SP Flash Tool or iTunes?

Accepted Answer

To write or overwrite the firmware (operating system) of a device.

Question 16

What is a main function of unlocking and repair software?

Accepted Answer

To bypass security restrictions, remove user locks, and repair system configuration parameters.

Question 17

When testing a mobile phone battery with a digital multimeter, what DC Voltage range should typically be selected?

Accepted Answer

20V.

Question 18

During mobile phone disassembly, why should plastic prying tools (spudgers) be used instead of metal tools to separate the screen assembly from the back cover?

Accepted Answer

Metal tools can crack the screen or scratch the housing.

Question 19

When testing a computer PSU with a PSU tester, what indicates a faulty power supply?

Accepted Answer

Any missing voltage reading or a continuous beeping sound.

Question 20

What is the mandatory safety guideline to prevent static electricity from destroying sensitive microchips in a repair workshop?

Accepted Answer

Always wear an anti-static wrist strap or work on an ESD-safe mat.

Strong work.

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