will more use decrease system performance?

[toqeer]

i use my lappi abt 2 to 4 day without closing means continuous. will it effect system performance

[comp@ddict]

No, only if u are installing junk and more junk and all

junk refers to useless program and more junk refers to too many programs

[gforce23]

I haven't shut down my laptop in almost a fortnight and is on AC power 90% of the time.
My current uptime:
12 days, 20h and 08m

Unless your RAM is loaded to the hilt and the system is making extensive use of the swap file, there shouldn't be a drop in performance.

[RMN]

would be nice if you can uses the lappy w/o the battery.