A tool in administrative tools which you should open if you want to view messages to troubleshoot errors is an: b. event viewer.
<h3>What is an operating system?</h3>
An operating system (OS) can be defined as a system software that's usually pre-installed on a computing device by the manufacturers, so as to manage random access memory (RAM), software programs, computer hardware and all user processes.
<h3>What is an
event viewer?</h3>
An event viewer can be defined as an administrative tool that is found in all versions of Windows Operating System (OS) which is designed and developed to enable administrators and end users in viewing the event logs of software application and system messages such as errors on a local or remote machine.
In this context, we can reasonably infer and logically deduce that an event viewer is a tool in administrative tools which you should open if you want to view messages to troubleshoot errors.
Read more on event viewer here: brainly.com/question/14166392
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Answer:
True
Explanation:
You can set variables and make method functions.
Answer:
The Anonymous Block will be:
1 DECLARE
2
3 lv_grade_row grade%rowtype;
4 lv_gr_avg grade.gr_t1%type;
5 lv_std_name varchar2(80);
6 cursor cursor_grade is select * from grade;
7
8 BEGIN
9
10 select avg(gr_t1) INTO lv_gr_avg from grade;
11 open cursor_grade;
12 fetch cursor_grade INTO lv_grade_row;
13
14 while cursor_grade%found loop
15
16 if
17 lv_grade_row.gr_t1>lv_gr_avg then lv_std_name :=
lv_grade_row.std_fname|| ' ' ||lv_grade_row.std_lname|| ' ' ||
lv_grade_row.gr_t1;
18 dbms_output.put_line(lv_std_name);
19
20 end if;
21 fetch cursor_grade into lv_grade_row;
22
Explanation:
Reasons why the height of a VHF radio antenna is important is because VHF radios work by the line of sight principle.
Line of sight its a line from observers eye to a distant point.its a line between two points specifically the straight path between a transmitting antenna (as for radio or television signals) and receiving antenna when unobstructed by the horizon.
The answer to this question is the term virtual memory. A virtual memory is a type of memory that uses a secondary memory which is implemented on hardware and software. A virtual memory maps and combines virtual addresses into a physical address inside the computer memory and operating system controls the memory into virtual memory.
