Computer Awareness Mixed Quiz: Set 48

Cache memory is small and very fast, but it is the most expensive memory per byte after the CPU registers, so statement 2 is wrong.

ISCII was adopted by the Bureau of Indian Standards as IS 13194 in 1991; it is an 8-bit code whose lower 128 positions are the same as ASCII and whose upper 128 positions carry an Indian script, a single table serving ten scripts because they share the phonetic order inherited…

A software port is a logical number, not a physical socket, so it is used for network connections and for telling services apart.

MeghRaj is the brand name of the Government of India Cloud, under which the National Informatics Centre runs the National Cloud so that ministries and state departments can host applications and data without buying separate servers for every project.

WannaCry and Petya are ransomware, and EternalBlue is the Windows exploit that helped them spread. EternalBlue was a hacking tool that exploited a flaw in Microsoft Windows' Server Message Block, the protocol computers use to share files over a network.

Tally, from Tally Solutions of Bengaluru, keeps ledgers and groups, takes entries as vouchers, and produces the trial balance, profit and loss account, balance sheet, day book and stock summary without separate work; later versions added inventory, payroll and tax features, and the current line is TallyPrime.

Released by IBM in 1957, Fortran is the oldest of the four and is often called the first widely used high-level programming language.

Bjarne Stroustrup developed the language at Bell Laboratories, starting it as C with Classes and giving it the name C++ in 1983; it adds classes, inheritance and polymorphism to C while keeping C procedural power, which is why it is called a hybrid language.

NLP is the branch of artificial intelligence that lets computers understand, interpret and produce human language. Artificial intelligence covers systems that perform tasks normally needing human intelligence, such as learning, reasoning and understanding speech or text.

Google reorganised its businesses in 2015 and placed them under a new holding company named Alphabet Inc. Google continued as the subsidiary running search, advertising, Android, Chrome, Maps and YouTube, while separate ventures such as the self-driving car company and the life sciences company were made direct subsidiaries of Alphabet.

A bus is the shared set of electrical lines on the motherboard that carries data, addresses and control signals between the CPU, memory and input-output devices.

A code walk-through is an informal review technique: a few team members read a module line by line, mentally execute it on sample data and note the defects they find, without the checklists, metrics and formal records of an inspection.

Division is an arithmetic operator that works on numbers, while logical operators work on true and false values. Logical (Boolean) operators take one or more conditions that are either true (1) or false (0) and return a true or false result.

The name is read as eight dot three: up to eight characters for the name, a dot, and up to three for the extension, as in LETTER.TXT or AUTOEXEC.BAT, with spaces and certain punctuation marks not allowed.

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…

Storage units climb in powers of two, each unit being 1,024 times the one below it, so 1,024 bytes make a kilobyte, 1,024 kilobytes a megabyte, 1,024 megabytes a gigabyte, 1,024 gigabytes a terabyte and 1,024 terabytes a petabyte.

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

In dropshipping the seller runs the shop and sets the price, while a supplier holds the stock and ships each order straight to the buyer.

In the binary system every step up the ladder of memory units is a factor of 2 raised to 10, that is 1024, so one gigabyte holds 1024 megabytes.

A firewall inspects incoming traffic, keeps out unauthorised users and blocks suspicious activity, but it has nothing to do with connecting telephones.