ICT for NTA UGC NET JRF Paper 1 – Nav Classes by Navdeep Kaur

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1. Which of the following are features of a subnotebook?

[A] Small physical dimensions
[B] Larger than hand-held computers
[C] Run complete versions of desktop/laptop OS
[D] All of the above

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Answer 4
Explanation: A subnotebook has all the features of a standard laptop computer but it has smaller physical dimensions. They are larger than hand-held computers and usually play on full-versions of the desktop/laptop OS. ©navclasses

2.Which of the following system is also known as desknotes?

[A] Laptop
[B] Notebook
[C] DTR computer
[D] Nettops

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Answer 3
Explanation: A Desktop Replacement computer is also known as desknotes i.e. a combination of desktop and notebook. ©navclasses

3.Which of the following is the smallest high-speed storage area in the CPU?

[A] Control Unit
[B] ALU
[C] Hard Disk
[D] Register

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Answer 4
Explanation: The register is the smallest high speed storage area in the CPU. All data must be represented in register before it can not be processed. A register may hold an instruction, a storage address, or any kind of data. ©navclasses

4.Which of the following clearly define the Trackball ?

[A] It is a two-dimensional positioning device.
[B] It is a three- dimensional positioning device.
[C] It is a pointing device.
[D] None of the Above

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Answer 1
Explanation: Trackball is two-dimensional positioning device. the trackball is an upside-down mouse that rotates in place within a socket. The trackball is usually located in front of the keyboard toward the user. ©navclasses

5.What type of device is a digital camera?

[A] Input
[B] Output
[C] Software
[D] Storage

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Answer 1
Explanation: A digital camera is a camera that captures photographs in digital memory. The history of the digital camera began with Eugene F. Lally of the Jet Propulsion Laboratory. ©navclasses

6.Which of the following clearly defines the word Bus Width?

[A] It is the size of the vehicle used to ship the computer.
[B] It is the number of pins in a computer port.
[C] It is the number of bits that can be sent to a CPU simultaneously.
[D] None of the Above

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Answer 3
Explanation: The speed of system random-access memory is determined by two factors: bus width and bus speed. Bus width refers to how many bits of information RAM can send to the CPU at the same time. ©navclasses

7.Which of the following is the name given to the number of concentric circles on a diskette?

[A] Sectors
[B] Cylinders
[C] Tracks
[D] Clusters

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Answer 3
Explanation: The platters of a hard disk have two sides for recording the data. Every surface of the platter has invisible concentric circles on it. These circles are called tracks. ©navclasses

8.Which of the following is the other name used for a Daughter Board?

[A] Daughter card
[B] Mezzanine board
[C] Piggyback board
[D] All of the Above

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Answer 4
Explanation: A daughterboard, daughter card, mezzanine board or piggyback board is an expansion card that attaches to a system directly. Daughterboard’s often have only internal connections within a computer. ©navclasses

9.Which of the following phenomena is used by the Blu Rays to store data?

[A] Magnetic
[B] Optical
[C] Laser
[D] All of the Above

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Answer 3
Explanation: A blue laser is a laser that emits electromagnetic radiation with a wavelength between 360 and 480 nanometers, which the human eye sees as blue or violet. Some of the most commercially common blue lasers are the diode lasers used in Blu-ray applications. ©navclasses

10.What is the full form of SSD?

[A] Solid State Drive
[B] Software State Drive
[C] Solid Software Drive
[D] Solid State Driver

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Answer 1
Explanation: A SSD is a storage medium that uses non-volatile memory as a means of holding and accessing data.SSD has no moving parts which gives it advantages such as faster access time, noiseless operation, higher reliability, and lower power consumption. ©navclasses