Lab4.ps1

function Get-testpcinfo {
    [CmdletBinding()]
    param (
        [Parameter()]
        [string[]] $computername
    )
    foreach ($c in $computername) {
        Invoke-Command -ComputerName $c -ScriptBlock {
    
            # ComputerSystem info
            $CompInfo = Get-CimInstance Win32_ComputerSystem 
            # OS info
            $OSInfo = Get-CimInstance Win32_OperatingSystem 
            # Serial No
            $BiosInfo = Get-CimInstance Win32_BIOS 

            $diskfreespace = get-volume -DriveLetter c | Select-Object -ExpandProperty SizeRemaining
            [pscustomobject]@{
                ComputerName      = $CompInfo.Name
                Domain            = $CompInfo.Domain
                OperatingSystem   = $OSInfo.Caption
                Model             = $CompInfo.Model
                MachineSN         = $BiosInfo.SerialNumber
                Version           = $OSInfo.caption
                BuildNumber       = $OSInfo.version
                OSArchitecture    = $OSinfo.OSArchitecture
                PowerShellVersion = $PSVersionTable.psversion
                DiskFreeSpace     = "" + [math]::Round($diskfreespace / 1GB, 2) + " GB"
            }
        }
    }
}