A.既能讀出數(shù)據(jù),也能寫入數(shù)據(jù)B.只能讀出數(shù)據(jù),不能寫入數(shù)據(jù)C.只能寫入數(shù)據(jù),不能讀出數(shù)據(jù)D.不能寫入數(shù)據(jù),不能讀出數(shù)據(jù)
A.1.2MB B.360KB C.1.44MB D.720KB
A.存儲(chǔ)正在運(yùn)行的程序和相應(yīng)的數(shù)據(jù) B.不但能存儲(chǔ)程序也能存儲(chǔ)數(shù)據(jù) C.能存儲(chǔ)大量信息 D.能長期保存信息