Answer:
CREATE FUNCTION exam_eligible_students
RETURN NUMBER AS
num_students NUMBER(15);
BEGIN
SELECT COUNT(STUDENT_ID)
INTO num_students
FROM STUDENT_ATTENDANCE
WHERE ELIGIBILITY_FOR_EXAMS = 'Y';
RETURN (num_students);
END;
Explanation:
exam_eligible_students is a made of name for the FUNCTION to be called.
num_students is a made up name for the RETURN to be called. The RETURN name is referenced in the INTO statement and as the name of the the return in the RETURN line in ().
Answer:
A
Explanation:
Monitor, CPU, Disk Drives, Printer, Keyboard/mouse
Answer:
scheduling
Explanation:
Scheduling- it is referred to as assigning a task to complete the goal or work on time. he works can include data flow, processing of data, etc.
There are two main types of scheduling
1) Preemptive process
2) Non- preemptive process
Preemptive process - in this process, priority is given to important tasks rather than less important tasks. the current task can be held for an important task
Non-preemptive process - It is referred to that process when the predefined schedule follows. In this process, next task executed only when current task finish
Documents. Note that electronic document is a type of media too.
Answer:
hardware-initiated reset
Explanation:
Once in protected mode, the 80286 is designed to remain there until it is reset by hardware.
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External hardware can be designed so that software can cause such a reset. In the 1984 PC/AT, such hardware combined with code in the BIOS allowed real mode re-entry and returned execution control to the program that caused the reset.
