When applying the Revolve effect, it is often best to align the left edges of multiple paths on the same Y axis.
Answer the following statement true (T) or false (F)
True
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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.
In the APA documentation style, a separate title page is required instead of placing name and course information on the paper's first page.
Answer the following statement true (T) or false (F)
Windows Vista provides three types of user accounts
Indicate whether the statement is true or false
A(n) ____ contains an embedded computer chip to manage payments and deposits.?
A. ?token B. ?smart card C. ?fare collector D. ?ticket