Get the latest news and analysis in the stock market today, including national and world stock market news, business news, financial news and more. Latest trending topics being covered on ZDNet including Reviews, Tech Industry, Security, Hardware, Apple, and Windows. SAM. gov The System for Award Management SAM is the Official U. S. Government system that consolidated the capabilities of CCRFedReg, ORCA, and EPLS. MB, is announced. It ships with PC DOS 2. Single sided 1. 80 KB 1. KB 3. 68,6. 40 bytes 7. FAT entries a 5. 12 byte sector can hold, so the FAT size is doubled, leaving 3. E on double sided disks. In addition to Microsofts new commands in MS DOS 2. IBM adds more including FDISK, the fixed diskF setup program, used to write the master boot record which supports up to four partitions on hard drives. Only one DOS partition is allowed, the others are intended for other operating systems such as CPM 8. UCSD p System and Xenix. The fixed disk has 1. G of raw space. The DOS partition on the fixed disk continues to use the FAT1. Space in the user data area of the disk is allocated in clusters which are fixed at 8 sectors each. With DOS the only partition, the combined overhead is 5. H leaving 1. 0,5. I for user data. 7. A BIOS parameter block BPB is added to volume boot records. PCÂ DOS does not include the FC command, which is similar to COMP. DOS 2 is about 1. KB larger than DOS 1. KB of code. 1. 91. Under pressure from IBM to leave sufficient memory available for applications on smaller PC systems, the developers had reduced the system size from triple that of DOS 1. Peter Norton found many problems with the release. Interrupts 2. 5h and 2. The XT motherboard uses 6. DIP chips, supporting up to 2. KB on board. With 3. KB on expansion cards, users could officially reach the 6. KB barrier of conventional memory. The power supply capacity was doubled to about 1. Business Software Firms Sued Over Implementation Timeline© 2017