Practice Basic hardware software - computer mcq Online Quiz (set-2) For All Competitive Exams

Q-1)   How many pins does Ethernet use in the RJ-45 Connection?

(a)

(b)

(c)

(d)

(e)

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Q-2)   The Hexadecimal Number system has base_.

(a)

(b)

(c)

(d)

(e)

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Q-3)   A octal is group of —— 1's

(a)

(b)

(c)

(d)

(e)

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Q-4)   The decimal number is converted in to excess 3 codes by adding, to each decimal digit.

(a)

(b)

(c)

(d)

(e)

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Q-5)   Data is generally coded in 8-bit units, such a unit is also called

(a)

(b)

(c)

(d)

(e)

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Q-6)   Half adder is logic CKT that adds. .........Digit at a time

(a)

(b)

(c)

(d)

(e)

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Q-7)   Which of the following is hardware and not software

(a)

(b)

(c)

(d)

(e)


Q-8)   A name or number used to identify a storage location devices?

(a)

(b)

(c)

(d)

(e)

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Q-9)   The Device which converts instructions into the binary form that is understood by the computer and supply to the computer is known as___.

(a)

(b)

(c)

(d)

(e)

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Q-10)   How many bits of information can each memory cell in a computer chip hold?

(a)

(b)

(c)

(d)

(e)

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Q-11)   Information retrieval is faster from

(a)

(b)

(c)

(d)

(e)

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Q-12)   The two kinds of main memory are:

(a)

(b)

(c)

(d)

(e)

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Q-13)   Which of the following is a hardware and not a software?

(a)

(b)

(c)

(d)

(e)


Q-14)   Where would you find a magnetic strip?

(a)

(b)

(c)

(d)

(e)

Explanation:

Notes:

Types of magnetic stripe cards currently in use include driver's licenses, credit cards, employee ID cards, hotel rooms, gift cards, and public transit cards.

a strip of magnetic material on which information may be stored, as by an electromagnetic process, for automatic reading, decoding, or recognition by a device that detects magnetic variations on the strip.

a credit card with a magnetic strip to prevent counterfeiting.

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Q-15)   Which storage device cannot be erased?

(a)

(b)

(c)

(d)

(e)

Explanation:

CD ROM COMPACT DISK READ-ONLY MEMORY


Q-16)   Magnetic storage devices can represent binary 0 by the absence of...?

(a)

(b)

(c)

(d)

(e)

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Q-17)   In positive logic, logic gate 1 corresponds to

(a)

(b)

(c)

(d)

(e)

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Q-18)   The cost of a given amount of computing power has _______ dramatically with the progress of computer technology.

(a)

(b)

(c)

(d)

(e)


Q-19)   A (n)_ is a program that makes the computer easier to use.

(a)

(b)

(c)

(d)

(e)

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Q-20)   The new __________ integrates the function of a processor, memory and video on a single chip

(a)

(b)

(c)

(d)

(e)