Information Technology True-False

False
Hard disk is a secondary storage device which can be formatted on another system using boot sector format option.

True
Because it is actually 210 bytes or 1 GB =1024 bytes.

False
The secondary or magnetic memory is a non-volatile memory.

False
It is a non-volatile memory hence, it is not direcdy accessible by the CPU.

True
Because secondary storage is a part of external memory. It is used to store a large amount of data at less cost per byte than primary memory.

True
Because CD is used to store audio, video, graphical and textual data.

False
CD-ROM is a blank storage device which can be written when user wants.

False
ROM stands for Read Only Memory.

False
Random Access Memory (RAM) is a volatile memory, if current is interrupted, data will lost.

False
In CPU, control unit does not perform am actual processing instead it controls and guides the operations like a supervisor.

True
Because there is no physical*contact between the print heads and the paper.

False
Because most of the LCD monitors do not come with touch facility where information is provided by touching the icons.

False
A barcode reader (or barcode scanner) is an electronic device for reading printed barcodes.

False
Software like Wasp, Barcode Pro are used for scanning and printing barcodes. It is an example of barcode reader.

True
Its coding system contains 14 characters (4 special symbols and 10 decimal digits).

True
The sensors of touchpad can only react to a fingertip that not a pencil or other object.

True
Because it allows the user to control and provide the data to the computer system using physical gestures point, click and drag.

True
The keys at the top of a keyboard marked F1 ’ to ‘F12’ are function keys.

True
Computer first takes the input via input devices, process it with the help of the CPU and gives the output through output devices.

False
Computer is an electronic device that has the ability to store, retrieve and process data.