basics of hardware & software set 1 Detailed Explanation And More Example

Answer: (d)

A device for changing the connection on a connector to a different configuration is an adapter.

Answer: (a)

Secondary memory is where programs and data are kept on a long-term basis. Common secondary storage devices are hard disks and floppy disks. The hard disk has enormous storage capacity compared to the main memory.

Answer: (c)

Machine code, also known as machine language, is the elemental language of computers. It is read by the computer's central processing unit (CPU), is composed of digital binary numbers and looks like a very long sequence of zeros and ones.

Answer: (c)

The errors that can be pointed out by the compiler are Syntax errors.

In computer science, a syntax error is an error in the syntax of a sequence of characters or tokens that are intended to be written in a particular programming language. For compiled languages, syntax errors are detected at compile time. A program will not compile until all syntax errors are corrected.

Answer: (b)

Notes:

Types of magnetic stripe cards currently in use include driver's licenses, credit cards, employee ID cards, hotel rooms, gift cards, and public transit cards.

a strip of magnetic material on which information may be stored, as by an electromagnetic process, for automatic reading, decoding, or recognition by a device that detects magnetic variations on the strip.

a credit card with a magnetic strip to prevent counterfeiting.

Answer: (c)

Note for voltage surge:

Voltage spikes and surges can be caused by lightning, static electricity, magnetic fields, and internal changes in voltage use. The best way to protect your electronic equipment is with the use of a surge protector.