Diploma and certificate courses do not normally require the submission of a dissertation.为获得文凭和证书所修的课程通常不需要提交论文。The college offers the Higher National Diploma in computer studies.这所大学授予计算机专业的国家高等教育文凭。Diploma holders have a far better chance of employment than those with no qualification.持有文凭者比没有资格证明的人就业机会大得多。