Download Final Exam Ph 2015...
Al- Azhar University-Gaza Faculty of Engineering &IT No Of Questions: 3 Questions
Course Name:Computer Science 1 First semester : 2014/2015 6/01/2014 Time : 90 minutes Final Exam Question Paper 50 Points
Answer Sheet Q1
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Important Note: Will be not look for answers outside the answer sheet
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Question 1: Mark for True statements and for False statements: 1
Most social networking Web sites include chat rooms, newsgroups, & other communications services
2
Information is a collection of unprocessed items, which can include text, numbers, images, audio.
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Current processors include advanced transfer cache, a type of L3 cache built directly on the processor chip. All e-commerce actually takes place between businesses, which is called business to business e-commerce.
6
A font is a name assigned to a specific design of characters. Animation is a full-motion images that are played back at various speeds.
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A dialog box is a window that provides information, presents available options, or requests a response.
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Open source software is mass-produced, copyrighted retail software that meets the needs of a wide variety of users, not just a single user or company. Word processing software provides a means for sharing, distributing, and searching through documents by converting them into a format that can be viewed by any user. Registers holds data waiting to be processed and instructions waiting to be executed. An input device is any hardware component that allows users to enter data and instructions into a computer. The System Clock speed is measured by the number of ticks per second.
13
A Memory card is a flash memory storage device that plugs in a USB port on a computer or mobile device.
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A touchpad is a small, flat, rectangular pointing device that is sensitive to pressure and motion. An all-in-one device is a single device that looks like a printer or a copy machine but provides the functionality of a printer, scanner, copy machine, and perhaps a fax machine. The ALU directs and coordinates most of the operations in the computer.
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For each instruction ,computer performs four basic operations(Fetch, decoding ,controlling and storing) which comprise a machine cycle. Web pages rarely have built-in connections, or links, to other documents, graphics, other web pages , or web sites.
Question 2: Choose the correct Answer 1
A(n) ___ is a business that provides individuals & organizations access to the Internet free or for a fee. a.Wi-Fi b. Satellite c. Access Provider d. Internet2
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Ink-jet printer resolution is measured by the number of __ a printer can print. a. pages per minute (ppm) b. pixels per inch (ppi ) c. lines per minute (lpm) d. dots per inch (dpi)
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__ is a method that uses multiple processors simultaneously to execute a single program or task. a. Serial processing b. Multi CPU c. Parallel processing d. None of the above
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__ holds data, instructions, and information for future use.
a. Storage 5
c. RAM
d. None of the above
A ____ (short for binary digit) is the smallest unit of data the computer can process .
a. Bit 6
b. Modem
b. Byte
c. KB
d. System unit
A __ is a color printer that produces photo-lab-quality pictures. a. Photo printer b. Laser printer c. Label printer
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d. Mobile printer
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___ is part of the motherboard and connects the processor to main memory. a . Expansion bus b. System clock c. Front side bus d. None of the above
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An ____ is a special-purpose computer that functions as a component in a larger product. a. Servers b. Mainframe c. Embedded computer d. None of the above •
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_____ is a collection of individual programs available together as a unit. a. A software suite b. Shareware c. Custom software d. None of the above
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__ is the computer’s capability of distinguishing spoken words. a. Voice input b. VoIP c. MIDI d. Voice recognition
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A ____ is a small symbol on the screen whose location and shape change as a user moves a pointing device. a. Touch-sensitive pads b. Pixels c. Pointer d. None of the above
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__ is the TLD of (www.google.com) a. www b. google
c. com
16 PB _______bits a. 257 b. 16X1024*1024.8
c. 253
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d.None of the above
d. None of the above
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__ is an Internet standard that permits file uploading and downloading with other computers on the Internet. a. HTTP b. FTTP c. FTP d. DNS server
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__ are needed to store ” //www.alazhar.edu/ “ in the memory(Using Unicode) a. 23 bits b. 22 bytes c. 23 bytes d. None of the above
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__ is the representation of “CDFE” in the memory (ASCII code for A=65 and a =97) a.100001110001001100101110011 b.010000110100 01000100 01100100 0101 c.1000011100010011001011100100011 d. none of the above
Question #3: Match the terms with their definitions A
Allows the various devices both inside and attached to the system unit to communicate with each other.
1__
Trackball
B
is a small ceramic or metal component with fins on its surface that absorbs and disperses heat produced by electrical components such as a processor.
2__
a digital camera
C
is a mobile device that allows users to take pictures and store the photographed images digitally.
3__
Active-matrix display
4__
Resolution
is the point at which a peripheral attaches to or communicates with a system unit . D
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E
The computer automatically can configure adapter cards and other peripherals as you install them.
5__
Clip art
F
involves reducing the electricity consumed and environmental waste generated when using a computer.
6__
Adapter card
7__
OMR
8__
Access time
9__
heat sink
10__
port
11__
Touchpad
12__
Bus
13__
Plug and Play
is a collection of electronic drawings, photos, and other images. G H
is a type of storage with no moving parts. uses one transistor for each pixel of LCD monitor.
I is the number of horizontal and vertical pixels in a display device. J
K
Joins a cable to a port & one end
of a cable attaches to a port on the system
unit. is a stationary pointing device with a ball on its top or side.
L is small, flat, rectangular pointing device. M
N
is a computer, usually with limited processing power, that enables users to send data to and/or receive information from a host computer.
14__
Scanner
O
enhances functions of a component of the system unit and/or provides connections to peripherals.
15__
Connectors
P
is the amount of time it takes the processor to read data, instructions, and information from memory.
16__
Green computing
Q
is a light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can process.
R
Cutting is the process of removing a portion of the document and storing it in a temporary storage location, sometimes called. is a technology that reads hand-drawn marks such as small circles or rectangles.
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مدرسي المقرر دمحم أبو شعبان. م، عالء عكيلة. ا، عمر النحال.م
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