0 — Test 382

Correct Answer: B. B. 6 microseconds
Explanation: The worst case figure for the interrupt latency for an MC68020 which runs at 25MHz is 6 microseconds and the context switch for the same is 19 microseconds.

Correct Answer: C. C. Psos multiprocessor kernel
Explanation: The pSOS+ is a multitasking real-time kernel of the operating system and pSOS+m or the pSOS+ multiprocessor kernel is the multiprocessing version of the kernel. It is virtually same as the single processor version except the ability to send and receiving system objects from the processors within the system.

Correct Answer: D. D. Prec+ runtime support
Explanation: The pREC+ is a compiler independent runtime environment for the C program applications.

Correct Answer: D. D. Prec+ runtime support
Explanation: The pREC+ is compatible with the ANSI X3J11 and can provide the 88 functions that can be called from the C programs.

Correct Answer: A. A. Prec+ runtime support
Explanation: The pREC+ is not a standalone product it uses pSOS+m or pSOS+ for the input/output devices and task functions and calls the PHILE+ for the file and disk I/O.

Correct Answer: A. A. Prec+ runtime support
Explanation: The pREC+ runtime support kernel’s routines are reentrant that allows the multiple tasks to use the same routine simultaneously.

Correct Answer: C. C. Vfat
Explanation: The VFAT is used in the Windows 95 and it also supports long file names.

Correct Answer: A. A. High performance file system
Explanation: The high performance file system is an alternative file system which possess 254 characters. It is used by the OS/2 and also writes caching to disk technique that stores data temporarily and write it to the disk.

Correct Answer: D. D. Ntfs
Explanation: The NT filing system or NTFS is used by the Windows NT, that is its own filing system which conforms to various security operations and allows system administrators to restrict access to files.

Correct Answer: C. C. Hpfs
Explanation: The high performance file system is an alternative file system which possess 254 characters. It is used by the OS/2 and also writes caching to disk technique that stores data temporarily and write it to the disk.