Answer:
C
Explanation:
As the unit is defined as integer type i.e. unit will have whole number, mass is defined as float data type which will have fractional values, and weight is defined as double data type which can have both values i.e. fractional value or integer value.
If you multiply an integer value by a fractional/decimal value it will give fractional value (unit value will promote to fractions).
Thus, result will be fractional value so result of unit*mass will be double.
Full-Duplex is data flow that can travel in two directions at the same time.
Half-Duplex is data flow that can travel in two directions but not at the same time.
Simplex is data flow that can only travel in one direction.
Answer:
select distinct fname, lname, dname, pname, plocation
from works_on, project, employee, department
where works_on.pno = project.pnumber
and works_on.essn = employee.ssn
and project.dnum = employee.dno
and department.dnumber = employee.dno AND employee.ssn IN(
select essn
FROM works_on
GROUP BY essn
HAVING COUNT(essn)=1
)
order by lname, fname;
Explanation:
Answer:
Option(c) is the correct answer for the given question .
Explanation:
Public is the access modifier not a method type so option(a) option is wrong.
Static is not return type static keyword before the method of procedure means it is directly accessed with the help of class name so option(b) is also wrong.
double is the datatype of variable d it is not the method type so option(d) is also wrong
So char is the method type of the method procedure.
Therefore option (c) is the correct answer.
local stores in neighborhood do not have computerized cash registers but they may have cameras if they are in a bad neighborhood. inventory is controlled by checking the shelves.
the Qs about computers, servers and clients are for national chain stores. they use clients at each store which are connected to the central servers at HQ. employees need special training as the system is complicated. the whole system is maintained by their IT department.