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COMP PROG PRELIMS
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COMP PROG PRELIMS
LEC1.1.pdf Flashcards
Study
1
Question
What is the fastest supercomputer today that is one-sixteenth as fast as the Cray-built Frontier supercomputer?
Answer
IBM-built Sierra supercomputer at Lawrence Livermore National Laboratory
2
Question
What are some applications of supercomputers?
Answer
Weather forecasting, air traffic control, aerospace development, etc.
3
Question
What type of computer is designed for both office processing and science and technology calculations?
Answer
General-Purpose Computer
4
Question
What are some applications of general-purpose computers?
Answer
Train seat reservations, online bank deposit systems, etc.
5
Question
What is a specialized computer used for office processing in corporations known as?
Answer
Office Computer
6
Question
What are some applications of office computers?
Answer
Inventory control, sales management, etc.
7
Question
What is a high-performance computer primarily used for specialized work connected to LANs and servers?
Answer
Workstation
8
Question
What are some applications of workstations?
Answer
Software development, CAD/CAM servers, etc.
9
Question
What is the function of the input unit device called a keyboard in computer organization?
Answer
Inputting characters, numbers, and symbols by pressing the keys positioned on the keyboard
10
Question
What is the device used for inputting characters, numbers, and symbols by pressing keys positioned on it?
Answer
KEYBOARD
11
Question
What is a typical pointing device for inputting positional information, such as icons, by rotating a mouse ball to move the pointer on the screen?
Answer
MOUSE
12
Question
What pointing device is used for inputting positional information, such as icons, by rotating a ball using the fingers?
Answer
TRACKBALL
13
Question
What pointing device moves a mouse pointer by brushing a finger against a flat plastic surface, detecting changes in capacitance?
Answer
TRACKPAD TOUCHPAD
14
Question
What pointing device moves a mouse pointer by using a finger to apply pressure forward, backward, left, or right against a stick that protrudes from the middle of a keyboard?
Answer
POINTING STICK
15
Question
Device that uses a coordinate indicator to input a position on a flat surface
Answer
Digitizer Tablet
16
Question
Usage of a touch panel touch screen device
Answer
Inputs data by touching the fingers against icons or buttons shown on the display. Used for bank ATM and library information displays, etc.
17
Question
Type of scanner that captures photographs, pictures, printed materials, and handwritten characters as digital data
Answer
Image Scanner
18
Question
Function of a digital camera as an input device
Answer
Similar to a regular camera, it photographs scenery and people but captures the images as digital data
19
Question
Definition of a barcode reader
Answer
A device that optically reads barcodes placed on products and other items. Used as an input device for POS terminals
20
Question
What is an Optical Character Reader (OCR)?
Answer
A device that optically reads handwritten characters and printed characters
21
Question
How do OCR devices for personal computers read images?
Answer
They use an image scanner and OCR software for character recognition
22
Question
What is a Sound Input Device used for in a personal computer?
Answer
It uses a microphone to input data or operate the computer by voice
23
Question
What is a Magnetic Card Reader used for?
Answer
It reads information from magnetic stripes on cards like credit cards and debit cards
24
Question
What is a CRT Display?
Answer
A display device that uses a CRT (Cathode Ray Tube) and comes in sizes like 15inch, 17inch, and 21inch
25
Question
What technology does an LCD Display use?
Answer
It uses LCD (Liquid Crystal Display) technology and ranges in size from 10 inches to around 60 inches
26
Question
What is an OLED display?
Answer
A low voltage drive and low power consumption display device that emits light when voltage is applied. It gets its name from the use of luminescent organic molecules such as diamine and anthracene.
27
Question
What is a laser printer?
Answer
A page printer device that uses a laser beam and electrostatic technology to deposit toner on paper. Printers primarily used in offices due to high speed and quality of printing.
28
Question
What is an inkjet printer?
Answer
A serial printer device that sprays ink droplets from nozzle tips onto paper. Printers primarily suited for consumer use due to the low price and high quality of color printing.
29
Question
What is a dot impact printer?
Answer
A serial printer device that uses a set of pins that are driven forward to form the shape of a character. An ink ribbon is positioned between the paper and pins, and the pins hit the ribbon to transfer ink. Used for printing on carbon paper.
30
Question
What is a thermal transfer printer?
Answer
A printing device that uses thermal heat to transfer the ink from an ink ribbon. Some use thermal paper instead of an ink ribbon.
LEC1.3.pdf Flashcards
Study
1
Question
What is Application Software?
Answer
Application Software refers to software that is used for a specific purpose or work.
2
Question
What is Word Processing Software?
Answer
Word Processing Software is software used to create, edit, and print documents.
3
Question
What is Spreadsheet Software?
Answer
Spreadsheet Software is software used to perform calculations such as tabulation and create graphs by entering data and formulas into a worksheet.
4
Question
What is Database Software?
Answer
Database Software is software used to collect, manage, and apply various data.
5
Question
What is Graphics Software?
Answer
Graphics Software is software used to produce drawings or edit photographic images.
6
Question
What is Presentation Software?
Answer
Presentation Software is software used for visualization by inserting drawings, graphs, tables, and photographs into presentation documents.
7
Question
What are the functions of Word Processing Software?
Answer
Create documents, create tables, embed drawings, graphic objects, and tables.
8
Question
What are the functions of Spreadsheet Software?
Answer
Spreadsheet Functions and Graphing Functions.
9
Question
What is WWW (World Wide Web)?
Answer
WWW (World Wide Web) refers to a service that is used to view and search information from Web pages on the Internet.
10
Question
What does URL stand for?
Answer
Uniform Resource Locator
11
Question
What does the scheme in a URL indicate?
Answer
It tells web servers which protocol to use when accessing a page on the website.
12
Question
What does the subdomain in a URL indicate?
Answer
It indicates which particular page of the website the web browser should serve up.
13
Question
What does the Second-Level Domain in a URL indicate?
Answer
It indicates the name of the website.
14
Question
What does the Top-Level Domain in a URL specify?
Answer
It specifies what type of entity your organization registers as on the internet.
15
Question
What does the subdirectory in a URL help with?
Answer
It helps people as well as web crawlers understand which particular section of a webpage they are on.
16
Question
What is a Search Engine used for in terms of web pages?
Answer
It is utilized when the address of a web page a user wishes to view is not known. The user can enter or select a keyword using the search engine to display matching web pages.