Define

PSU

Power Supply Unit (PSU)

a computer system component that converts line-vintage alternating current (AC) power from an electrical outlet to the low-voltage current (DC) power needed by other system components

Ports-

A hardware connection interface on a personal computer that enables deices to be connected to the computer, or the endpoint of a logical connection that client computers use to connect to specific server programs

Central Processing Unit (CPU)- 

is a computer chip where most of the computin calculations take place.

* There are 2 form factors = slot and socket

Disk Drives-

is a randomly addressable and rewritable storage device.

Random Access Memory (RAM) -

is a computer storage method that functions as a computers main memory.

* Needs constant power to keep data stored.

* Also considered as Volatile memory

Chassis (Tower, Case)-

is the enclosure that holds all of the components of your computer

1. The System Unit

2. Display Devices 

3. Input Devices    

4. External Devices

List the common characteristics of

PSU

PSU -

1. A fan

2. Voltage Switch (110/220) (changed for overseas use)

3. Power switch (1/0) (Master Kill switch)

4. A socket for the power cord

*Primary use is to convert AC to DC

List the most common characteristics of 

PORTS-

Ports-

is a hardware interface that you can use to connect devices o a computer

1. The have Gender (male or female)

2. Different Shapes (round, rectangular, square, and oblong)

3. PS/2 ports are used for keyboards and mouse

4. Electrically wired by socket or plug

5. Can be a wireless transmition device

6. Types: Parallel, network connection, Multimedia, Display, USB, Mouse and Keyboard ports

* Ports can be color coded

List the most common characteristics of

CPU-

CPU -

1. Is housed in a single microprocessor module

2. Can be slot or socket

3. Needs a FAN

Read Only Memory (ROM)-

-is saved and stored without constant power source,

-once data is written to ROM, it can not be modified easily

Volatile - 

stores data temporarily and requires a constant source of electricity to keep track of the data stored in it

* example is RAM

Non-Volatile:

-retains the information stored onit whether or not electrical current is available

*example is ROM

What are the Transmission Speeds and Cable Lengths for

ATA - 4

ATA- 4:

 - A maximum transfer rate of 33 megabytes per second

- A maximum allowable length of only 18 inch

What are the Transmission Speeds and Cable Lengths for

ATA -6

ATA-6:

maximum transfer speed of 100 megabytes per second, high performance IDE cable (40-pin)

What are the Transmission Speeds and Cable Lengths for

ATAPI

ATAPI-the "ATA Packet Interface

transmission on the ATA cable

What are the Transmission Speeds and Cable Lengths for

SATA I

SATA I -

Data transfer rate are 150 MB per sec, uses serial connectors and serial cables

What are the Transmission Speeds and Cable Lengths for

SATA II / SATA III

SATA II / SATA III - 

data transfer rates of 300 MBps, uses serial cables

What are the Transmission Speeds and Cable Lengths for

SATA 6

SATA 6 - 

Transmission speed transfer rate is 600 MBps, uses serial cables

What are the Transmission Speeds and Cable Lengths for

SCSI-1 (HVD)

SCSI-1 (HVD) -

transmission rate is 3.5 MBps or 5 MBps

maximim cable length of 6 meters

What are the Transmission Speeds and Cable Lengths for

Ultra-2 SCSI (LVD)

Ultra-2 SCSI (LVD) - 

maximum transfer rate of 10 MBps

maximum cable length is 3 meters

SCSI ID’s -

identifiers assigned to each SCSI device connected to the bus. The ID numbers range from 1 to 15

SCSI ID Priority -

Every device in the chain must have a unique ID assigned so the host adapter will know with who it's communicating.

*The higher the SCSI ID , the higher the priority when negotiating for the SCSI bus. 

PATA Jumpers -

are used to configure older hardware by shutting off a electrical circuit located on the component with a use of a shunt.

SATA-

Serial Advanced Technology Attachment (SATA)

* supports hot-swappable devices

*supports one device per channel

*L- shapped connector

*1 to 1 driver controller

* Must have a power and data connection

What are the Transmission Speed, length,  # of 

Devices on a single port, Power output

USB (1.1,2.0,3.0)

USB (1.1,2.0,3.0) -

USB 1.1 - TS:12 Mbps, L: 3M, 1 device per port, 5 volts

USB 2.0 - TS:480 Mbps, L: 5M, ?, 5 volts

USB 3.0 (SuperSpeed)- TS: 5 Gbps, L: not specified, 127 devices, 5 volts

What are the Transmission Speed, 

Devices on a single port, Power output and 

Connectors

FireWire (IEEE1394)- FireWire400/FireWire 800

FireWire (IEEE1394)- FireWire400/FireWire 800

(IEEE1394) FireWire 400- TS: 400Mbps, up to 63 devices, 12 volts, 6 or 4 pin connector

(IEEE1394) FireWire 800- TS: 800Mbps,  up to 63 devices, 12 volts, 9 pin connctor

Define the features and  

Which Edition(s) of Windows is it used in?

Aero

Aero -

it is a color scheme (provides a visually rich experience with its glossy and transparnt interface)

Vista and Windows 7

Define the features and  

Which Edition(s) of Windows is it used in?

Gadget Gallery 

Gadget Gallery -

displays different gadgets which are mini applications that can display many different information

Windows 7

Define the features and  

Which Edition(s) of Windows is it used in?

Shadow Copy

Shadow Copy-

it creates backup copies or "snapshots" of the system's data and stores them locally or on an external location

Windows XP and Higher

Define the features and  

Which Edition(s) of Windows is it used in?

System Restore

System Restore -

Monitors the system for changes to core system files, drivers, and the Registry. Automatically creates a Syatem restore point

Windows XP, Vista, and Windows 7

Define the features and  

Which Edition(s) of Windows is it used in?

Sidebar

Sidebar -

designated area on the desktop that is displayed vertically along the side the desktop

Windows Vista

Define the features and  

Which Edition(s) of Windows is it used in?

XP mode

XP mode -

it is a download that allows Windows 7 users to access and use Windows XP capatible software and programs directly on thier desktops

Windows 7

Define the features and  

Which Edition(s) of Windows is it used in?

Category Mode

Category Mode -

Enables older programs or applications to run on a newer version of Windows

Windows 95 and up

Define the features and  

Which Edition(s) of Windows is it used in?

Media Center - 

an application that allows users to view and record live television, as well as organize and play music and videos

Windws XP and up

Define the features and  

Which Edition(s) of Windows is it used in?

Defender

Defender -

Antispyware software that is included on your system

Windows XP, Vista, Windows 7

Define the features and  

Which Edition(s) of Windows is it used in?

Classic Mode -

Displays a more traditional view from earlier versions of windows. IE.. the Control Panel

Windows XP and up

Define the Architecture of

32 Bit

32 bit 

- An operating systm that supports applications that use data units up to 32 bits wide, but no longer.

- A 32 bit can not use more than 4 GB of physical memory

Define the Architecture of

64 bit

64 bit

- An operating system that support applications that use data units up to 64 bits wide, making 63 bit backward compatible.

- Requires a 64 bit processor and 64 bit software

-64 bit registers can address up to 16 TB of physical memory

 Define the Architecture of

x86

x86

- is the most common and successful instruction set architecture.

- it supports 32 bit software.

 Define the Architecture of

x86-x64 (x64)

x86-x64 (x64)

- it explicitly refers to a 64-bit x86 architecture

- supports 64 bit software

Define

FAT 

FAT 

-File Allocation Table

*Best suited for drives smaller than 4GB

* IE Floppy Disk Drive (4GB)

Define

FAT32

FAT32 

-Enhanced version of FAT

*It scales better to large hard drives (up to 2 TB in size)

Define

NTFS

NT-File system (NTFS) 

-NTFS provides many enhanced features over FAT and FAT 32.

-It includes file and folder-level security, file encryption, disk compression, and scalability to very large drives and files

Define 

CDFS

CDFS

- Compact Disk File System (CDFS)

- supports various types of special media system formats

- IE ...CD- ROM

Define

UDF

Universal Disk Format (UDF)

- is an open vendor-neutral file system for computer data storage for a broad range of media

-it is very well suited for incremental updates on both recordable and (re)writable optical media

Define

LTFS

Linear Tape File System (LTFS)

- is a file system specification that allows Linear Tape-Open (LTO) storage technology to be indexed

NAME THE REQUIRED PERMISSIONS

Scenario:

Sally needs to change attributes. 

Full Control

-changes permissions, take ownership, and perform all other tasks

NAME THE REQUIRED PERMISSIONS

Scenario:

Bill needs to be able to view files contained within a folder without viewing the contents of an individual file.  

Read

- Read the file and view file attributes, ownership, and permissions

NAME THE REQUIRED PERMISSIONS

Scenario:

You need to allow an employee the ability to delete a document

Modify

-Modify and delete the file

NAME THE REQUIRED PERMISSIONS

Scenario:

Fred has been tasked with verifying that documents with the Marketing folder contain sales data. 

Read and Excute

-Run applications and perform Read tasks

NAME THE REQUIRED PERMISSIONS

Scenario:

Which permission allows a user to take ownership over a file? 

Write

- Overwrite the file and change file attributes

What is the purpose/function of

HKEY_CLASSES_ROOT

All the file association information.

Windows uses this information to determine which application it should open

What is the purpose/function of

HKEY_CURRENT_USER

What is the purpose/function of

HKEY_LOCAL_MACHINE 

What is the purpose/function of

HKEY_USERS

What is the purpose/function of

HKEY_CURRENT_CONFIG 

Name the Five reqistry Files

and its location on C: drive

Registry Files 

1- HKEY_CLASSES_ROOT

2- HKEY_CURRENT_USER

3- HKEY_LOCAL_MACHINE

4- HKEY_USERS

5- HKEY_CURRENT_CONFIG

Location: 

C:\ WINDOWS\ SYSTEM32\ CONFIG