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commputer programming > Fist test > Flashcards

Fist test Flashcards

1
Q

Give me any 4 reasons to become computer literate?

A 
Education
Online banking
Research
Cool at the paartay
Avoiding hackers and viruses
Using internet wisely
Protect your privacy
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2
Q

What does I.T. stand for?

A

Information technology

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3
Q

Where are all the it jobs going?

A

Outsourcing and overseas to India, China, Russia and Bangladesh

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4
Q

What is information?

A

Processed data in a meaningful format

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5
Q

What is data?

A

The raw material that produces information

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6
Q

The computer uses what kind of language?

A

Binary number system or binary language

0 and 1

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7
Q

What are the 4 functions done by computers?

A

Gathers data
Processes data and information
Stores data and information
Outputs data and information

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8
Q

What are the 4 parts of a computer system?

A

Input- keyboard, mouse
Output- monitor
Processor- Intel, motoralla, amd
Storage- hard disk, flash drive, cd-rom

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9
Q

What are the 2 types of keyboards?

A

Qwerty

DVORAK

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10
Q

How are 0,1 being represented?

A

electrical switches
0- off
1- on

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11
Q

What is a bit?

A

Short for binary digit (0,1)

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12
Q

What is byte/

A

8 bits=1 byte=1 character

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13
Q

What are the types of printers?

A

Laser

Inkjet

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14
Q

How do we measure resolution of a monitor?

A 
# of pixels
# of colors
distance between two adjacent pixels
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15
Q

What is a pixel?

A

Picture element

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16
Q

How do we measure resolution of a printer?

A

DPI (dots per inch)

PPM (pages per min)

17
Q

What are the 2 types of storage?

A

Permanent- hard drive, flash drive, cd-rom, dvd-rom, ROM (read only memory)
Temporary-RAM (random access memory)

18
Q

What are the parts of mother board?

A

CPU (central processing unit) brain
RAM (random access memory)
ROM (read only memory)
Ports (USB universal serial bus, HDMI high definition multimedia interface

19
Q

What are the types of computers?

A

Labtop
Desktop
Super computer
Tablet

20
Q

What is the most popular port?

A

USB (universal serial bus)

21
Q

What are the types of monitors?

A

CRT (catheter ray tube)
LED (light emitting diode)
LCD (liquid crystal display)

22
Q

Describe 1 machine cycle.

A

CPU gets data/instructions from RAM
Its decodes the data/instructions
It executes the instructions
Puts the results back into RAM

commputer programming (3 decks)

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