Revision

Question 1

What is RAM?

Answer 1

Volatile memory, which means memory is lost when power is off. Can be read from and written to

Question 2

What is ROM?

Answer 2

Non-volatile memory, which mean no memory is lost when the power is off. Can be read from but not Written

Question 3

What are buses?

Answer 3

A communication system that connects and track between the components and devices in the PC

Question 4

What does the address buss do?

Answer 4

Is used to physically locate data and device

Question 5

What does the data bus do?

Answer 5

Sends data to and from the CPU and memory

Question 6

What does the control bus do?

Answer 6

Timings and control signals are sent along it to control the flow of data

Question 7

What is Cache?

Answer 7

An area of small memory, is used to store frequently accessed data requests to speed up processing

Question 8

Name as many things that can be used as a backing storage

Answer 8

Hard drives, pen drive, floppy disk, CD-ROM, tape drivers, DVD RV, DVD ROM, zip drivers, USB, cloud

Question 9

Where is SoDIMM usually intalled?

Answer 9

Laptops

Question 10

What are AGP specifically design for?

Answer 10

Video card

Question 11

What does the case, motherboard, and power supply need to conform to?

Answer 11

The same Form factor

Question 12

What is SATA?

Answer 12

an internal hard drive interface, and a computer bus interface to connects devices (e.g. hard disk drives, optical drives and solid-state drives)

Question 13

How much Faster is a USB3 compared to USB2?

Answer 13

10 time more faster

Question 14

Name two parts of the processor

Answer 14

Arithmetic logic unit and control unit (CPU)

Question 15

How to check that the driver is the most up-to-date driver being used?

Answer 15

check website for diver

Question 16

Advantage of GUI over CLI

Answer 16

easier to learn and pick up required skills

Question 17

How would you check that the maximum RAM speed is supported in the motherboard

Answer 17

check the motherboard manual

Question 18

Software that you would use to help prevent ransomware

Answer 18

anti-malware software

Question 19

Best way to ensure that a document is safe and secure

Answer 19

Copy the data in an online location

Question 20

Where does an Ethernet cable plug into?

Answer 20

In a RJ45

Question 21

What does a firewall prevent?

Answer 21

Prevents all unauthorized traffic

Question 22

describe a Kernel

Answer 22

loads first, resides in the memory, acts as an interface between the processor and the installed software

Question 23

Name a video connector that carries both video and sound

Answer 23

HDMI

Question 24

How do you ensure that a CPU does not overheat?

Answer 24

Heat sink

Question 25

What does WIMP stand for?

Answer 25

Windows, Icons, Menus, and pointers

Question 26

How does a wireless keyboard connect?

Answer 26

Blue Tooth

Question 27

What is a register?

Answer 27

The internal data storage area/memory of a CPU, and is a small amount of high speed RAM contained inside

Question 28

Name the different types of operating systems

Answer 28

Linus/Unix, Windows, Mac O/S, Netware, Fedora, Amigoas, Oracle, Andriod

Question 29

Name the different types of applications

Answer 29

Excel, Word, Spreadsheet, Database, Presentation, E-mail

Question 30

Name the different types of utilities

Answer 30

Firewall, Check disk, Anti-virus, Anti-Malware, file compression, Disk fragmentation

Question 31

What is a driver?

Answer 31

Software which informs the operating system what resource requirements a device needs

Question 32

Which is faster, Command line or Graphical User Interface?

Answer 32

Command line is text based, while Graphical User Interface is image/icon based, so command line will load faster

Question 33

How to get into the bios settings?

Answer 33

check with the manufacturer or pressing a function key while starting up (F2, F4, F6, F8, F10, F12)

Question 34

How can you change the PC boot up sequence?

Answer 34

By going into the BIOS/CMOS program

Question 35

What is a PCIe (PCI express)?

Answer 35

an internal slot interface

Question 36

What type of fire extinguisher should be used on electrical fires?

Answer 36

CO2 fire extinguishers do not use water or powdered based fire extinguishers

Question 37

Checking that an area is safe to work, is a process know as?

Answer 37

Risk assessment

Question 38

When using tools, they should be . . .

Answer 38

Well maintained, appropriate for the job and used properly

Question 39

What is the PAT test?

Answer 39

This test of portable devices, making sure no damage is done to the plug, lead or the device its self, and checks inside the device for dangerous faults

Question 40

What is Ergonomic?

Answer 40

The design of equipment to relieve repetitive strain ingury

Question 41

What is ESD?

Answer 41

Electric static discharge

Question 42

How would you protect against ESD?

Answer 42

Anti-static wrist band

Question 43

What could ESD cause?

Answer 43

damage electrical components (e.g. computer/electrical chips)

Question 44

When wiring a plug, you must ensure that the fuse is the correct . . .

Answer 44

Ampage

Question 45

What happens when the power supply has poor wattage?

Answer 45

Unexpected shut downs, components will fail (e.g. NIC, RAM chips etc.), blue screens

Question 46

If you have 4 RAM slots, you should . . .

Answer 46

buy them in pairs

Question 47

What is a CPU?

Answer 47

The central processing unit process small and large data and instructions

Question 48

What is ALU?

Answer 48

The arithmetic and logic unit is responsible for logical and arithmetic processing

Question 49

What is POST?

Answer 49

the Power on self test is a process performed by firmware or software routines immediately after a computer is powered on

Question 50

What is the Fetch-Execute cycle?

Answer 50

1. The CPU fetches the instruction one at a time from the memory 2. The CPU decodes 3. The CPU executes the instruction 4. Repeat until there are no more instructions This is done as fast as the CPU's clock speed (2 GigaHertz can carry two billion cycles per second)

Question 51

Name Input devices

Answer 51

Keyboard, Mouse, touch pad, camera (Picture), microphone

Question 52

Name output devices

Answer 52

Headphones (Sound), printer, monitor, speakers, LED

Question 53

What is a core?

Answer 53

A processing unit inside of a CPU

Question 54

What does a PS/2 port do?

Answer 54

an old connector for keyboard and mice

Question 55

The word used to write optical disks is . . .

Answer 55

Burning

Question 56

Name external interfaces

Answer 56

PS/2 port, USB port, DVI video, VGA video, Display port video, HDMI, USB 3.0 port, RJ45 LAN, microphone, line-in/out

Question 57

What does an Input/Output unit do?

Answer 57

controls data and instruction requests from devices

Question 58

What is an SSD?

Answer 58

Solid state drive, that doesn't have any moving parts, but because of that it is hard to break, and also it is faster to access data, uses not much power

Question 59

What is HDD?

Answer 59

Hard disk drive is a spinning disk where the data is store magnetically. Considered legacy technology

Question 60

What is a Magnetic disk/drive?

Answer 60

A storage device that uses magnetization to write, rewrite and access data, but are generally slow