Identify the letter of the choice that best matches the phrase or definition.
A. All fall under the title of "Sample"
B. Great for converting groups of files to other formats
C. Saves the current status of your work as a new thumbnail at the top of the History panel
D. This are about repetition
E. It uses any of the snapshots at the top of the History panel as its source
A. Cloning options
B. Image Processor
C. Snapshot
D. Action
E. History Brush tool
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What type of risk assessment uses tools such as the one shown with 4 boxes of risk using probability and level of impact as variables?
A. Quantitative B. Loss expectancy C. Financial D. Qualitative
Suppose that only 80% of the STUDENT records from Exercise 17.28 have a value for PHONE, 85% for MAJORDEPTCODE, 15% for MINORDEPTCODE, and 90% for DEGREEPROGRAM, and we use a variable-length record file. Each record has a 1-byte field type for each field occurring in the record, plus the 1-byte deletion marker and a 1-byte end-of-record marker. Suppose we use a spanned record organization, where each block has a 5-byte pointer to the next block (this space is not used for record storage).
(a) Calculate the average record length R in bytes. (b) Calculate the number of blocks needed for the file.