Computer Awareness Previous Year Questions (PYQ) with Answers – Page 6

The title bar is the strip along the very top of the Excel window, and it carries the name of the open workbook followed by the name of the program, for example Book1 - Excel.

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.

Ubuntu is a free, open-source operating system built on the Linux kernel and based on the Debian distribution. It was first released in 2004 by Canonical, and its name comes from a Nguni Bantu word of southern Africa meaning humanity towards others.

The General Data Protection Regulation (GDPR) is the European Union's data protection law, adopted in April 2016 and applied from 25 May 2018.

Neither statement describes the real difference between the two. LTE is a fourth-generation mobile broadband standard and is sold to customers as 4G, not 3G. VoLTE is not a separate network at all: it is a way of carrying voice calls as data packets over that same LTE network, using…

Wi-Fi operates in the unlicensed industrial, scientific and medical bands, and the two classic bands are 2.4 GHz and 5 GHz, with 6 GHz added in the latest equipment.

A telephone conversation requires both parties to speak and listen at the same time, so a mobile link must carry traffic in both directions together.

LTE is the radio access technology of fourth generation mobile networks, standardised by the Third Generation Partnership Project.

At the transmitting end of a fibre link the electrical signal must be turned into light, and the two devices that do it are the light-emitting diode and the laser diode.

An optical fibre carries information as pulses of light, not as an electric current, so its core and cladding must be transparent and not conducting.

HTML has no separate checkbox element at all. Every simple form control is written with the single input tag, and the type attribute decides what the browser draws, whether that is text, password, radio, checkbox, submit, file or hidden.

PPP is a data-link layer protocol that carries data directly between two nodes over a single link, such as a telephone line, a leased line or a serial cable.

Each hexadecimal digit stands for exactly four binary digits, so a two-digit hex number becomes an eight-bit binary number. Here C is 12 in decimal, which is 1100 in binary, and 6 is 0110.

Flash memory, ROM and a hard drive all keep their contents after the power is switched off, and that is exactly what non-volatile means.

It is India’s first cyberlaw, and it is the statute that gave legal recognition to electronic records and to digital and electronic signatures, so that a contract concluded online is as enforceable as one written on paper and a department may accept a filing or issue a licence electronically.

A manual line break, also called a soft return, moves the text to the next line while keeping it inside the same paragraph, so the spacing before and after the paragraph and the list numbering are not disturbed.

The correct answer is B, all of the options, because each of the other three statements is a genuine rule of the language and the question asks which of them apply.

Java has exactly eight primitive data types, namely byte, short, int, long, float, double, char and boolean, and long double is not among them; it belongs to C and C++, where it denotes an extended precision floating point number, so the option is a deliberate trap for candidates who have…

The command javac is the Java compiler: it takes a source file with the extension.java, checks its grammar and converts it into a class file containing bytecode, the intermediate code that any Java Virtual Machine can run.

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