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System Software & Computing Concepts > Unit 1 : Introduction Computer Overview > Flashcards

Unit 1 : Introduction Computer Overview Flashcards

1
Q

What are the importance for studying computer architecture as a user?(3)

A
  1. Understand system capabilities and limitations
  2. make informed decisions
  3. Improve communications with information technology
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2
Q

What are the importance for studying computer architecture as a programmer?

A
  1. Create efficient application software for specific processing needs
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3
Q

What are the importance for studying computer architecture as a system architect or systems analyst? ( 2 )

A
  1. Specify computer systems and architecture to meet application requirement
  2. Make intelligent decisions about system strategy ( Cost, Quality & Time )
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4
Q

What are the importance for studying computer architecture as systems administrator / manager? ( 4 )

A
  1. Install, configure, maintain, and upgrade computer systems
  2. Maximize system availability and efficiency
  3. Optimize system performance
  4. Ensure system security
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5
Q

What are the importance for studying computer architecture as a web services designer? （ 4 ）

A
  1. Optimize customer accessibility to Web Services
  2. Optimize web system configurations
  3. Select appropriate data formats, page designs and scripting languages
  4. Design efficient Web pages
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6
Q

What is IPO?

A
  1. Input , Process and Output
  • The Process Model ( IPO )
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7
Q

List out examples of Input devices ( 4 )

A
  1. Mouse
  2. Keyboard
  3. Scanner
  4. Trackpad
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8
Q

List out examples of processing devices

A
  1. CPU
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9
Q

List out examples of output devices ( 4 )

A
  1. Monitor
  2. Printer
  3. Fax Machine
  4. Speaker
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10
Q

List out examples of storage devices ( 4 )

A
  1. Hard Drive
  2. Optical Media
  3. SSD
  4. Diskettes
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11
Q

What are the components that a computer must have? ( 4 )

A
  1. At least one CPU
  2. Memory to hold programs and data
  3. I/O devices
  4. Long-term storage
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12
Q

What is the purpose of hardware? （ 3 ）

A
  1. Control input, output and storage components
  2. Process data by executing instructions
  3. Provided input and output
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13
Q

List out hardware components ( 4 )

A
  1. I/O Devices ( Input / Output )
  2. Storage Devices
  3. CPU
  4. Memory
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14
Q

What is the purpose of software? List out the types of software ( 3 )

A
  1. Instructions tell hardware exactly what tasks to perform and in what order
  2. Applications
  3. System software
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15
Q

What is data?

A
  1. It is a fundamental representation of facts and observations
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16
Q

What is the purpose of communications?

A
  1. Sharing data and processing among different systems
17
Q

What does CPU includes?

A
  1. ALU ( Arithmetic / Logic Unit )
  2. CU ( Control Unit )
  3. Interface Unit
18
Q

What do ALU do?

A
  1. Performs arithmetic and boolean logical calculations
19
Q

What does CU do?

A
  1. Controls processing of instructions
  2. Controls movement of data within the CPU
20
Q

What does interface unit do?

A
  1. Moves instructions and data between the CPU and other hardware components
  2. Bus : Bundle of wires that carry signals and power between different components
21
Q

What is memory know as ? ( 3 )

A
  1. Primary Storge
  2. Working Storage
  3. RAM
22
Q

8 bits is how many byte?

A
  1. 1
23
Q

What does kernel do? （ 4 ）

A
  1. Memory management
  2. Resource Scheduling
  3. Program Communication
  4. Security
24
Q

What is stored inside the ROM? ( 2 )

A
  1. Bootstrap
  2. Initial Program Load ( IPL )
25
Q

Operating System running order （ 5 ）

A
  1. API
  2. File Management
  3. I/O
  4. Kernel
  5. Network Module
26
Q

What is the full name for API?

A
  1. Application Program Interface
27
Q

What is virtualization?

A
  1. Created, simulated, or carried on by means of a computer or computer network
  • Things that are generated by computer ( sound, images )
28
Q

List out the examples for Virtulization

A
  1. Virtual Memory
  2. Virtual Networks
  3. Java Virtual Machine
29
Q

What are protocols?

A
  1. Common ground rules of communication between computers, I/O devices, and many software programs
  • Set of rules and conventions that define how data is transmitted and received over a network
30
Q

List examples of protocols ( 4 )

A
  1. HTTP
    • Web servers and web browsers
  2. TCP/IP
    • Betweeen computers on the Internet and local area network
  3. SATA
    • Between storage devices and computers
  4. XML, RSS, SIP
    • Other protocols example
31
Q

What are standards?

A
  1. Document containing the details of an agreed upon method
32
Q

List out standard example ( 4 )

A
  1. Computer Languages ( Java, C )
  2. Display Standards ( GIF, JPEG )
  3. Character Set Standards ( ASCII, Unicode )
  4. Multimedia Standards ( MP3, MPEG-2 )
33
Q

What is the purpose of hardware communcation channels

A
  1. Establish physical connections between computer systems
34
Q

List out the hardware communication channels ( 4 )

A
  1. Wire Cable
  2. Fibre Optic Cable
  3. Phone Lines
  4. Radio Waves
35
Q

What is the purpose of interface hardware

A
  1. Handles communication between the computer and the communication channel
36
Q

List out the interface hardware components

A
  1. Modem
  2. Network Interface Card ( NIC )
37
Q

What are the purpose of software in communication?

A
  1. Establish connections
  2. Control flow of data
  3. Directs data to the proper applications for use

System Software & Computing Concepts (9 decks)

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