<Table> Joint Admissions and Matriculation Board <Tr> <Td_colspan="2"> Official logo </Td> </Tr> <Tr> <Th> Acronym </Th> <Td> JAMB </Td> </Tr> <Tr> <Th> Type </Th> <Td> Computer - Based Test </Td> </Tr> <Tr> <Th> Knowledge / skills tested </Th> <Td> Academic performance in selected subjects . </Td> </Tr> <Tr> <Th> Purpose </Th> <Td> Admission into tertiary institution . </Td> </Tr> <Tr> <Th> Year started </Th> <Td> 1978 (1978) </Td> </Tr> <Tr> <Th> Duration </Th> <Td> 2 hours . </Td> </Tr> <Tr> <Th> Score / grade range </Th> <Td> 0 to 400 </Td> </Tr> <Tr> <Th> Score / grade validity </Th> <Td> 1 year </Td> </Tr> <Tr> <Th> Offered </Th> <Td> Once in a year </Td> </Tr> <Tr> <Th> Countries / regions </Th> <Td> Nigeria </Td> </Tr> <Tr> <Th> Languages </Th> <Td> English </Td> </Tr> <Tr> <Th> Annual number of test takers </Th> <Td> More than one million </Td> </Tr> <Tr> <Th> Prerequisites / eligibility criteria </Th> <Td> SSCE results or awaiting SSCE results . </Td> </Tr> <Tr> <Th> Scores / grades used by </Th> <Td> Over 500 universities, agencies and other institutions in Nigeria . </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.jamb.org.ng </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Official logo </Td> </Tr>

When was the first jamb conducted in nigeria