NCO- Cyber Olympiad (SOF) Class 8: Questions 351 - 356 of 510

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Question number: 351

» Computers » Memory & Storage Devices

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Appeared in Year: 2010

MCQ▾

Question

Which of these is a type of memory that cannot have information rewritten to it?

Choices

Choice (4) Response

a.

RAM

b.

ROM

c.

SRAM

d.

DRAM

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 poly1 Quadrilateral poly1: Polygon B, G, H, I Quadrilateral poly1_1 Quadrilateral poly1_1: Polygon B_1, G_1, H_1, I_1 Segment f Segment f: Segment [A, B] Segment g Segment g: Segment [B, C] Segment h Segment h: Segment [B, D] Segment i Segment i: Segment [D, E] Segment j Segment j: Segment [E, C] Segment k Segment k: Segment [E, F] Segment l Segment l: Segment [F, C] Segment m Segment m: Segment [A, D] Segment b Segment b: Segment [B, G] of Quadrilateral poly1 Segment g_1 Segment g_1: Segment [G, H] of Quadrilateral poly1 Segment h_1 Segment h_1: Segment [H, I] of Quadrilateral poly1 Segment i_1 Segment i_1: Segment [I, B] of Quadrilateral poly1 Segment b_1 Segment b_1: Segment [B_1, G_1] of Quadrilateral poly1_1 Segment g_2 Segment g_2: Segment [G_1, H_1] of Quadrilateral poly1_1 Segment h_2 Segment h_2: Segment [H_1, I_1] of Quadrilateral poly1_1 Segment i_2 Segment i_2: Segment [I_1, B_1] of Quadrilateral poly1_1 Point A A = (3.28,3.6) Point A A = (3.28,3.6) Point A A = (3.28,3.6) Point B B = (4.84,3.6) Point B B = (4.84,3.6) Point B B = (4.84,3.6) Point C C = (7.32,3.6) Point C C = (7.32,3.6) Point C C = (7.32,3.6) Point D D = (4.9,1.26) Point D D = (4.9,1.26) Point D D = (4.9,1.26) Point E E = (7.4,1.3) Point E E = (7.4,1.3) Point E E = (7.4,1.3) Point F F = (10.44,1.32) Point F F = (10.44,1.32) Point F F = (10.44,1.32) 3 cm text1 = “3 cm” 11 cm text1_1 = “11 cm” 10 cm text1_2 = “10 cm” 8 cm text1_3 = “8 cm”

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

Representing the image of a rectangle BDEC and two straight lines ABC and DEF

Choices

Choice (4) Response

a.

120

b.

128

c.

142

d.

136