$PC = Get-Content -Path "C:\Scripts\pc name.txt"  #grabs a list of computer names. The names are formatted one per line. Names were generated with Net view in cmd then formatted to work properly afterwards.
$outputs = @()

foreach($computer in $pc){
$win32compsystem=get-wmiobject win32_computersystem -ComputerName $PC
$win32cpu=Get-WmiObject Win32_Processor -ComputerName $PC
$win32serial= Get-WmiObject win32_bios -ComputerName $PC
$win32os= Get-WmiObject Win32_OperatingSystem

    if(test-connection $computer -BufferSize 16 -Count 1 -Quiet){
    $output =New-Object -TypeName PSObject -Property @{

HostName = $win32compsystem.DNSHostName
Manufacturer =$win32compsystem.Manufacturer
Model = $win32compsystem.Model
Ram = get-wmiobject win32_computersystem -ComputerName $PC | select @{Name="TotalPhysicalMemoryInMB";Expression={"{0:n2}" -f($_.TotalPhysicalMemory/1mb)}}
CPU= $win32cpu.Name
SeviceTag = $win32serial.SerialNumber
OSName = $win32os.Caption
OSBitType = $win32os.OSArchitecture
}

}
    Else{
        Add-Content c:\scripts\test.txt "$computer is not on" }
        }


$outputs += $output|Format-list

$outputs| Out-File "C:\Scripts\test.txt"