A radiologist’s computer monitor has higher resolution than most computer screens. Resolution refers to the: <u>number of horizontal and vertical pixels on the screen.</u>
<u>Explanation:</u>
The resolution of a screen refers to the size and number of pixels that are displayed on a screen. The more pixels a screen has, the more information is displayed on it without the user having to scroll for it.
More pixels also define and enhance the clarity of the pictures and content displayed on the screen. Pixels combine in different ratios to provide different viewing experiences for users.
Answer:
A. 8-pin PCI-E connector.
F. 6-pin PCI-E connector.
Explanation:
The video card is a peripheral hardware component in a computer system that is used to run videos and graphic files, providing the required memory, runtime and bandwidth.
The PCI-e or peripheral component interconnect express is a connector or expansion slot used specifically for adding and powering video cards on a computer system.
The number of records or rows in a table using MySQL can be got by using the COUNT statement.
Explanation:
- To counts all of the rows in a table, whether they contain NULL values or not, use COUNT
- That form of the COUNT() function basically returns the number of rows in a result set returned by a SELECT statement
- The SQL COUNT() function returns the number of rows in a table satisfying the criteria specified in the WHERE clause.
- It sets the number of rows or non NULL column values.
- COUNT() returns 0 if there were no matching rows.
- The SQL COUNT function is an aggregate function that returns the number of rows returned by a query. You can use the COUNT function in the SELECT statement to get the number of employees, the number of employees in each department, the number of employees who hold a specific job, etc.