Computer Awareness Mixed Quiz: Set 10

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.

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.

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

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 Format Painter is the paintbrush shaped button in the Clipboard group of the Home tab.

Java is an object-oriented programming language, so it is the right pick for Preet.

A dollar sign locks the part of the address that follows it, so $A$1 has both the column and the row locked and keeps pointing at cell A1 however far the formula is copied.

Virtualization creates a software layer over the physical processor, memory and storage of a machine, so that one server can be divided into several virtual machines, each running its own operating system as though it had hardware of its own.

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…

The National Digital Library of India is a single window that brings together lakhs of learning resources, from school books to research papers, and lets a student search them free of cost in many Indian languages.

The To field of a mail window is meant for the addresses of the people the letter is written to.

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.

A binary number is written with only the digits 0 and 1, and each place stands for a power of two.

The hexadecimal system has base sixteen, so it needs sixteen symbols for a single place.

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 packet filtering firewall works at the network layer, the third layer of the OSI model, where it reads the header of every incoming and outgoing packet and compares the source and destination IP address, the port number and the protocol against a list of rules, then allows the packet…

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.

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.

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.

Holding the Ctrl key and clicking anywhere inside a sentence selects that whole sentence, from its first letter to the full stop that ends it, and the selected sentence can then be deleted, moved or formatted in one action.