(Reuters) - IBM, the world's largest technology services company, reported fourth-quarter earnings and revenue that beat estimates on the back of growth in emerging markets.

International Business Machines Corp said on Tuesday its quarterly net income rose 10 percent to $6.1 billion, or $5.39 a share from $4.71 a year earlier. Revenue dropped 1 percent to $29.3 billion.

Analysts had expected the Armonk, New York-based company to report net income of $5.95 billion, or $5.25 a share, on revenue of $29.05 billion, according to Thomson Reuters I/B/E/S.

(Reporting by Nicola Leske)