# IT Essentials - Idiots' Guide

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Quizzes Created: 1 | Total Attempts: 334
Questions: 9 | Attempts: 334

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A simple quiz created to test your knowledge of IT essentials, as taught by the Cisco IT Essential Third Edition book.

• 1.

### Which voltage levels may be found in wires from an ATX power supply?

• A.

+/- 12V

• B.

+/- 5V

• C.

+3.3V

• D.

0V

• E.

All of the above.

E. All of the above.
Explanation
An ATX power supply is commonly used in computers and other electronic devices. It provides various voltage levels to different components. The +/- 12V, +/- 5V, +3.3V, and 0V (also known as ground) are all common voltage levels that can be found in wires from an ATX power supply. Therefore, the correct answer is "All of the above."

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• 2.

### What is the difference between voltage and current?

• A.

Voltage is a song whereas current is a dried fruit.

• B.

Voltage is the measure of force required to push electrons through a circuit and current is the measure of flow of those electrons.

• C.

Voltage is power and current is the measure of electrostatic potential.

• D.

Voltage is needed to eluminate star signatures in telescopes whereas current is the presence of the same star signature.

• E.

All of the above.

B. Voltage is the measure of force required to push electrons through a circuit and current is the measure of flow of those electrons.
Explanation
The correct answer is that voltage is the measure of force required to push electrons through a circuit, while current is the measure of the flow of those electrons. This explanation accurately describes the difference between voltage and current in terms of their definitions and their roles in an electrical circuit. Voltage is the potential difference that causes the electrons to move, while current is the actual movement of the electrons.

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• 3.

### From the list below, select tools which are commonly found in a repair tool kit.

• A.

• B.

• C.

• D.

Torx screwdriver.

• E.

All of the above.

D. Torx screwdriver.
Explanation
The correct answer includes the flat head screwdriver, Phillips head screwdriver, and Torx screwdriver. These tools are commonly found in a repair tool kit as they are frequently used for various types of screws. The flat head screwdriver has a flat, slotted tip and is used for screws with a single slot. The Phillips head screwdriver has a cross-shaped tip and is used for screws with a cross-shaped indentation. The Torx screwdriver has a star-shaped tip and is used for screws with a star-shaped indentation. These three types of screwdrivers cover a wide range of screw types commonly encountered in repairs.

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• 4.

### When typed into 'Run', which command will open the Command Line Interface?

• A.

Command

• B.

Cmmd

• C.

Cmd

• D.

Comd

C. Cmd
Explanation
The correct answer is "cmd" because it is the standard command used to open the Command Line Interface in Windows.

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• 5.

### What is the definition of the word 'jargon'?

• A.

A fictional language spoken by a race of creatures on the television program Star Trek.

• B.

A state of discombobulation.

• C.

The seperation of quarks from larger particles such as protons.

• D.

Technical speak that an untrained person or kangaroo may not understand.

D. Technical speak that an untrained person or kangaroo may not understand.
Explanation
The correct answer is "Technical speak that an untrained person or kangaroo may not understand." This definition accurately describes jargon as specialized language or terminology that is specific to a particular field or profession. It implies that jargon can be difficult for someone without the necessary knowledge or training to comprehend, comparing their understanding to that of an untrained person or even a kangaroo.

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• 6.

### There are four modes of operation in CPUs. Select two of them from the following list:

• A.

Real mode.

• B.

Safe mode.

• C.

Compatible mode.

• D.

Depache mode.

A. Real mode.
C. Compatible mode.
Explanation
The correct answer is Real mode and Compatible mode. Real mode is a mode of operation in CPUs where the processor operates in a manner similar to older processors, allowing direct access to the computer's hardware. Compatible mode is a mode of operation in CPUs that allows the processor to run software designed for older processors, ensuring backward compatibility.

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• 7.

### What is a cluster?

• A.

A term used in the Royal Air Force to describe a large quantity of airmen or airwomen failing at a simple task.

• B.

The smallest unit of space for storing data.

• C.

A type of cloud formation.

• D.

Sporadic fungi found in bedspaces of Davies block 14E.

A. A term used in the Royal Air Force to describe a large quantity of airmen or airwomen failing at a simple task.
B. The smallest unit of space for storing data.
Explanation
A cluster is a term used in the Royal Air Force to describe a large quantity of airmen or airwomen failing at a simple task. It can also refer to the smallest unit of space for storing data.

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• 8.

### What is a network?

• A.

A piece of equipment used by workers in the hungarian fishing trade.

• B.

A gorup of two or more electronic devices, such as computers, PDAs and smartphones, that communicate with each other to share data and resources.

• C.

A mission on the Special Ops menu of CoD: Modern Warfare 2.

• D.

A type of sexual deviance.

B. A gorup of two or more electronic devices, such as computers, PDAs and smartphones, that communicate with each other to share data and resources.
• 9.

### What is the most secure way of removing data from a hard drive?

• A.

Beat the hard drive repeatedly with a hammer like AC Joynes beating a cat.

• B.

Reformat the hard drive.

• C.

Feed the disk to a zombie, then remove the zombies head from its body with a solid object or high calibre firearm.

• D.

Use a pair of spectacles, angled towards the sun, to melt a hole in the disk.

A. Beat the hard drive repeatedly with a hammer like AC Joynes beating a cat.

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• Current Version
• Mar 20, 2023
Quiz Edited by
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• Dec 09, 2009
Quiz Created by
Oldmanhughes

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