IT &computer MCQ section 4 MCQ Questions & Answers Detailed Explanation
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The following question based on IT & computer topic of general awareness mcq
(a) Trojan Horse
(b) Java clients
(c) Worms
(d) Virus
The correct answers to the above question in:
Answer: (a)
Trojan Horse is a hallow wooden horse.
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
How many bits are equal to one byte?
a) 12
b) 8
c) 10
d) 14
Answer »Answer: (b)
The byte is a unit of digital information that most commonly consists of eight bits. Computer storage is usually measured in byte multiples. For example, an 820 MB hard drive holds a nominal 820 million bytes - or megabytes - of data.
Question : 2
In MS-Word, multiple words, lines or paragraphs can be selected by using ____ key.
a) Alt
b) Shift
c) Function F5
d) Ctrl
Answer »Answer: (d)
In MS Word, multiple words, lines or paragraphs can be selected by using Ctrl+C keys.
Question : 3
Who introduced “MMX” technology?
a) Microsoft
b) IBM
c) Apple
d) Intel
Answer »Answer: (d)
MMX is a single instruction, multiple data (SIMD) instruction set designed by Intel, introduced in 1996 with their P5-based Pentium line of microprocessors, designated as "Pentium with MMX Technology".
It developed out of a similar unit introduced on the Intel i860, and earlier the Intel i750 video pixel processor.
Question : 4
Constantly running system program processes are known as
a) Process Block
b) Daemons
c) Processes
d) Process Control Block
Answer »Answer: (b)
In multitasking computer operating systems, a daemon is a computer program that runs as a background process, rather than being under the direct control of an interactive user.
Systems often start daemons at boot time and serve the function of responding to network requests, hardware activity, or other programs by performing some task.
Question : 5
ROM stands for
a) Read Only Memorandum
b) Real Office Manager
c) Read Only Memory
d) Role On Memory
Answer »Answer: (c)
ROM stands for Read-Only Memory. It is a type of computer memory on which data has been prerecorded. Once data has been written onto a ROM chip, it cannot be removed and can only be read.
Unlike main memory (RAM), ROM retains its contents even when the computer is turned off. ROM is referred to as nonvolatile, whereas RAM is volatile.
Question : 6
Which command is not used to switch off the computer ?
a) Shut Down
b) Turn off
c) Log off
d) Hibernate
Answer »Answer: (d)
Turn off, Log off and Shut Down are commands used to switch off the computer.
GET IT & computer PRACTICE TEST EXERCISES
IT &computer MCQ section 1
IT &computer MCQ section 2
IT &computer MCQ section 3
IT &computer MCQ section 4
IT &computer MCQ section 5
IT &computer MCQ section 6
IT &computer MCQ section 7
IT & computer Shortcuts and Techniques with Examples
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