Clicking the ________ & Center button merges multiple adjacent cells into one cell, and centers its contents
Fill in the blank(s) with correct word
Merge
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Suppose the file is ordered by the key field SSN and we want to construct a primary index on SSN. Calculate (i) the index blocking factor bfr i (which is also the index fan-out fo); (ii) the number of first-level index entries and the number of first-level index blocks; (iii) the number of levels needed if we make it into a multi-level index; (iv) the total number of blocks required by the multi-level index; and (v) the number of block accesses needed to search for and retrieve a record from the file--given its SSN value--using the primary index.
Consider a disk with block size B=512 bytes. A block pointer is P=6 bytes long, and a record pointer is P R =7 bytes long. A file has r=30,000 EMPLOYEE records of fixed-length. Each record has the following fields: NAME (30 bytes), SSN (9 bytes), DEPARTMENTCODE (9 bytes), ADDRESS (40 bytes), PHONE (9 bytes), BIRTHDATE (8 bytes), SEX (1 byte), JOBCODE (4 bytes), SALARY (4 bytes, real number). An additional byte is used as a deletion marker.
The file format ________, recognized by PowerPoint, is a format that can be transferred among platforms and applications
A) .doc B) .docx C) .rtf D) .txt
When creating a(n) ____________________ Web site, consider your privacy needs before entering personal information.
Fill in the blank(s) with the appropriate word(s).
The maximum transmission unit for Ethernet is 1518 bytes.
Answer the following statement true (T) or false (F)