कंप्यूटर अवेयरनेस टेस्ट - 22

 Ans.(b)

Sol. Direct Memory Access (DMA) enables selective hardware to directly fetch memory of the computer system i.e. RAM.

Ans.(a)

Sol. System software is developed to serve as a bridge between the hardware and the user, as the software directly communicates with the hardware. Operating systems and debuggers are two best examples of system software.

Ans.(d)

Sol. File compression is the technique used to store the large file in a small storage space. It compresses to content of the file in such a way that there is no harm done on the file content and quality.

 Ans.(c)

Sol. Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use. 

Ans.(b)

Sol. POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.

Ans. (d)

Sol. Output devices can be used to view/ print data. Output devices provide processed output by the system to the user.

Ans. (a)

Sol. Secondary storage is non-volatile

Ans. (c)

Sol. Majority of buffers use the faster RAM to store temporary data, not the ROM, due to the much faster access time compared with hard disk drives

 Ans. (b)

Sol. PowerPoint is used to make presentations/slide shows

 Ans.(a)

Sol. A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints. 

Ans. (c)

Sol. Functions of keys F1, F2 and F3 are activating help, renaming selected icon and search respectively.

Ans. (e)

Sol.  All of the given options are router functions.

Ans. (d)

Sol. Joystick is used for gaming purpose and MS Word is a text editing application

 Ans. (a)

Sol. A macro virus is a computer virus that "infects" a Microsoft Word or similar application and causes a sequence of actions to be performed automatically when the application is started or something else triggers it.

Ans.(b)

Sol. ‘maximize’ a window means expanding it to fit the desktop

 Ans.(e)

Sol. Pull down menu shows further sub-choices.

 Ans.(b)

Sol. Trackball is an example of a pointing device (mouse)

Ans.(d)

Sol. The Altair is widely recognized as the spark that ignited the microcomputer revolution as the first commercially successful personal computer

 Ans.(e)

Sol. Petabyte among the given options is the largest unit of storage, Nibble= 4Bits, Byte= 8Bits.

1 Petabyte = 1024 Terabyte

 Ans.(a)      

Sol. CPU doesn’t understand the C++ language (or any high level programming language). All the High level language statements must be translated into machine code before they can be executed.

Ans.(c)

Sol. Headers and footers are pieces of text, or graphics, which appear at the top and bottom of a page. If a company wants to include its company name and logo at the bottom of every page of a brochure then it will use the Footer