NCO- Cyber Olympiad (SOF) Class 8: Questions 352 - 356 of 510

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Question number: 352

» Computers » Memory & Storage Devices

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MCQ▾

Question

________is an input device, which is used for converting pictures, maps and drawing into digital form for storage.

Choices

Choice (4)Response

a.

Keyboard

b.

Optical Mark Reader

c.

Bar-code Reader

d.

Digitizer

Question number: 353

» Computers » Networking

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MCQ▾

Question

A central computer surrounded by one or more satellite computers is called a ________.

Choices

Choice (4)Response

a.

Bus network

b.

Star network

c.

Ring network

d.

All of the above

Question number: 354

» Logical and Analytical Reasoning » Direction Sense Test

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MCQ▾

Question

Hema and Seema start from a fixed point. Hema moves 10 km. westwards and turns left and then covers 12 km. Seema moves 14 km northwards, turns left and walks 10 km. The distance between Hema and Seema now is

Choices

Choice (4)Response

a.

12 km

b.

16 km

c.

26 km

d.

20 km

Question number: 355

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

A group of 1200 persons consisting of captains and soldiers are travelling in a train. For every 15 soldiers there is one captain. The number of captains in the group is ________.

Choices

Choice (4)Response

a.

85

b.

75

c.

80

d.

9

Question number: 356

» Mental Ability » Basic Geometry

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Appeared in Year: 2010

MCQ▾

Question

In the figure shows here, BDEC is a rectangle. ABC and DEF are straight lines. The area, in , of the whole figure is ________.

Quadrilateral poly1Quadrilateral poly1: Polygon B, G, H, IQuadrilateral poly1_1Quadrilateral poly1_1: Polygon B_1, G_1, H_1, I_1Segment fSegment f: Segment [A, B] Segment gSegment g: Segment [B, C] Segment hSegment h: Segment [B, D] Segment iSegment i: Segment [D, E] Segment jSegment j: Segment [E, C] Segment kSegment k: Segment [E, F] Segment lSegment l: Segment [F, C] Segment mSegment m: Segment [A, D] Segment bSegment b: Segment [B, G] of Quadrilateral poly1Segment g_1Segment g_1: Segment [G, H] of Quadrilateral poly1Segment h_1Segment h_1: Segment [H, I] of Quadrilateral poly1Segment i_1Segment i_1: Segment [I, B] of Quadrilateral poly1Segment b_1Segment b_1: Segment [B_1, G_1] of Quadrilateral poly1_1Segment g_2Segment g_2: Segment [G_1, H_1] of Quadrilateral poly1_1Segment h_2Segment h_2: Segment [H_1, I_1] of Quadrilateral poly1_1Segment i_2Segment i_2: Segment [I_1, B_1] of Quadrilateral poly1_1Point AA = (3.28,3.6) Point AA = (3.28,3.6) Point AA = (3.28,3.6) Point BB = (4.84,3.6) Point BB = (4.84,3.6) Point BB = (4.84,3.6) Point CC = (7.32,3.6) Point CC = (7.32,3.6) Point CC = (7.32,3.6) Point DD = (4.9,1.26) Point DD = (4.9,1.26) Point DD = (4.9,1.26) Point EE = (7.4,1.3) Point EE = (7.4,1.3) Point EE = (7.4,1.3) Point FF = (10.44,1.32) Point FF = (10.44,1.32) Point FF = (10.44,1.32) 3 cmtext1 = “3 cm”11 cmtext1_1 = “11 cm”10 cmtext1_2 = “10 cm”8 cmtext1_3 = “8 cm”

Image of a Rectangle BDEC and Two Straight Lines ABC and DEF

Choices

Choice (4)Response

a.

120

b.

128

c.

142

d.

136

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