-- Red Hat, reporting Thursday, said revenue was up 28 percent year over year to $281.3 million, while net income soared to $40 million from $23.7 million.

-- Adobe reported Tuesday that sales surpassed the $1 billion mark, hitting $1.01 billion from $990.3 million a year earlier. Net income declined to $195 million from $230 million, but Adobe shares got a boost after the earnings statement because the company forecast sales of $1.08 billion to $1.13 billion for the current quarter, exceeding the $1.07 billion expectations of analysts.

Computer companies closed Friday up for the day, with shares boosted by the strong earnings reports as well as talk that European Central Bank would add liquidity to deal with the region's sovereign debt crisis. Fears of economic slowdown have been exacerbated by concern that Greece would default on sovereign debt, dragging down financial institutions with exposure to the country's debt and further muddying the economic climate.

Nasdaq computer stocks closed up 1.12 percent on a day where all U.S. exchanges closed up. Oracle closed at $28.90, up by $0.56; Tibco closed at $23.37, up $1.40; Red Hat closed at $42.32, up by $0.83; and Adobe rose $0.57 to close at $24.88.

Not all IT vendors enjoyed an up day Friday. HP's CEO switch appeared to rattle investors. HP shares dropped $0.48 to $22.32, its lowest point in six years.