Computer Awareness GK Questions with Answers – Page 24

It lays every slide of the deck side by side as a thumbnail, so a slide can be dragged to a new position, copied, hidden or deleted, and the flow of the whole presentation can be judged at a glance.

From PowerPoint 2007 onwards the default save format is the XML-based Open Office format, whose extension is.pptx, and PowerPoint 2016 follows it.

Statement (i) is wrong because Ctrl + N opens a brand new, empty presentation; the key that inserts a new slide into the open presentation is Ctrl + M. Statement (ii) is true: PowerPoint 2016 can save or export a presentation as a PDF through Save As or Export, a…

Pressing F5 anywhere in a presentation closes the editing window and runs the slide show from slide one, whichever slide you were working on.

In the 8085A microprocessor the program counter is a 16-bit register that always holds the memory address of the next instruction, or op-code, to be fetched.

Integrated circuits are classified by how many logic gates are packed on a single chip.

In an operating system a process passes through the states new, ready, running, waiting and terminated.

The system development life cycle, or SDLC, is the set of stages followed while building a software system, and feasibility study, coding and implementation are all stages of it.

Cache memory is the small, very fast memory placed between the processor and main memory that keeps the data the processor is most likely to need next.

EBCDIC is an 8-bit character encoding scheme developed by IBM in 1963 for its mainframe and midrange computers. Because it uses 8 bits for each character it can represent 256 different characters, twice as many as the 7-bit ASCII code, which handles 128.

Data can travel between two devices in three modes. In half-duplex mode both devices can send and receive, but only one of them may transmit at any given moment, so the traffic takes turns; a walkie-talkie is the standard example, and older hubs and CB radio worked the same way.

In an entity relationship diagram each symbol has a fixed meaning, and an attribute that can hold more than one value for the same entity, such as a person's several phone numbers, is drawn as a double ellipse.

The 56 K rating of a modem means it can transfer data at up to 56 kilobits per second, so the figure describes speed, not size.

In a packet switched network a packet meets four kinds of delay at every router on its path, and transmission, processing and queuing delays are three of them.

The ones complement of a binary number is found by simply inverting every bit, turning each 0 into 1 and each 1 into 0.

Computer storage is counted in powers of two, so each step up the ladder multiplies by 1024, and one gigabyte equals 1024 megabytes.

In MS Word 365 the shortcut Ctrl + Alt + I switches the document to print preview and, pressed again, brings you back to the normal view.

A joystick is an input device with a stick fixed in a base that can be tilted in several directions, and the movement of the stick moves an image or a pointer on the screen in the same direction.

In MS Excel 365, Ctrl + Y repeats the last command or action wherever repeating it is possible, so if you have just made a cell bold or inserted a row, pressing Ctrl + Y does the same thing again at the new position.

The plain remove-directory command is built to delete an empty folder only. In Windows it is rmdir, also written rd, and in Linux it is rmdir; both stop with a message such as "The directory is not empty" when anything is still inside.