从供选择的答案中选出应填入下列英文语句中______内的正确答案。 For years, users toiling under the 640
从供选择的答案中选出应填入下列英文语句中______内的正确答案。
For years, users toiling under the 640 KB(1)memory constraints of MS-DOS have sufFered severe memory(2)problems. Help is available now from DOS extenders. This software technique enables MS-DOS programs to access up to 16 MB of(3)memory on an 80286-based PC and up to 4 GB on an 80386-based PC.(4)3.0 from Microsoft Corp. is the most widely publicized package to use a DOS(5).
供选择的答案:
(1) extender (2) expanded (3) internal (4) argument (5) conventional
(6) management (7) protected (8) X-window (9) Windows (10) security