I was interested in what machine do i have so after

sudo lshw

I've got info, but there is one thing that puzzles me.
It writhes that my laptop is 32 width, but for cpu that it is 64 width

description: Notebook

product: HP G7000 Notebook PC (KQ192EA#ABU)

vendor: Hewlett-Packard

version: F.35

serial: xxxxxxxxx

width: 32 bits

capabilities: smbios-2.4 dmi-2.4 smp-1.4 smp

.

.

.

-cpu

      description: CPU

      product: Intel(R) Celeron(R) CPU          540  @ 1.86GHz

      vendor: Intel Corp.

      physical id: e

      bus info: cpu@0

      version: 6.6.1

      serial: xxxx-xxxx-xxxx-xxxx-xxxx-xxxx

      slot: CPU

      size: 1866MHz

      capacity: 1866MHz

      width: 64 bits

      clock: 533MHz

      capabilities: boot fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx x86-64 constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr pdcm lahf_lm dtherm

So should i try to switch to 64 bit Ubuntu or not?