What is algorithm ?
Answer: C
Correct answer: Step by step procedure for calculations
An algorithm is a finite sequence of unambiguous steps that solves a problem, each step effective and the whole guaranteed to stop. It is worked out before any code is written and can be expressed in plain words or a flowchart, then implemented in whatever language is convenient.
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Which is a non-standard version of a computing language?
Answer: C
Correct answer: Army
PROLOG, APL and PL/1 are all defined by published standards. Army is not a standard language, so among these it is the non-standard version.
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What is the smallest addressable element of a display device ?
Answer: C
Correct answer: Pixel
A pixel - picture element - is the smallest part of a display that can be given a colour of its own, and the whole image is a grid of them. A screen described as 1920 × 1080 has that many pixels across and down.
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Resolution of printer is measured in ?
Answer: D
Correct answer: DPI
Printer resolution is measured in dots per inch - how many separate dots of ink or toner the printer can place along an inch of paper. A higher figure means finer detail and smoother curves, so 1200 dpi output is sharper than 300 dpi.
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A language for simulating models of business activity is?
Answer: C
Correct answer: GPSS
GPSS - General Purpose Simulation System - is built for discrete-event simulation: queues, servers, arrivals and delays are described directly, which is exactly what modelling a business activity requires. COBOL processes business data, and SPSS analyses statistics.
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Find the odd man out.
Answer: C
Correct answer: SAP
FTP, TCP and POP are internet protocols - for transferring files, for reliable transport, and for collecting mail from a server. SAP is a company and its enterprise resource planning software, not a protocol, so it is the odd one out.
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ISDN stands for?
Answer: A
Correct answer: Integrated Service Digital Network
ISDN stands for Integrated Services Digital Network - a telephone network carrying voice, data, fax and video as digital signals over the same subscriber line, with a basic rate of two 64 kbps bearer channels and one 16 kbps signalling channel.
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How many bits make up one nibble ?
Answer: B
Correct answer: 4
A nibble is half a byte, or 4 bits. It is a convenient unit because one nibble represents exactly one hexadecimal digit, so a byte is written as two hex characters.
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A switch in a network is used to ?
Answer: A
Correct answer: It is used to connect systems on network
A switch joins the machines of a local network and forwards each frame only to the port whose MAC address it is addressed to, having learned which device sits behind each port. That is its whole function; it neither blocks intruders nor scans for viruses, which are the work of a firewall and antivirus software.
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What is maximum digit we can use in octal system ?
Answer: C
Correct answer: 7
The octal system has base 8, so it uses eight digits - 0 to 7. The value eight is written as \( 10_8 \), just as ten is written 10 in decimal, so the digit 8 never appears.
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