Recent questions and answers in Computer Engineering

2 answers 73 views

The maximum power in a synchronous motor (for a given excitation) is produced when the power angle is equal to: (A) 0° (B) 45° (C) 60° (D) 90°

answered Dec 21, 2018 in Computer Engineering
0 answers 49 views
1 answer 66 views

Which one of the following OOP concepts enables reusability of components?  (1) Inheritance (2) Encapsulation (3) Polymorphism (4) All of the above 

answered Oct 31, 2018 in Computer Engineering
0 answers 103 views
1 answer 1,938 views

What are the components of system bus? A) CPU Bus, Address Bus, Data Bus B) Memory, Control Unit, ALU C) Data Bus, Address Bus, Control Bus D) Register, PC, IR

answered Jun 18, 2018 in Computer Engineering
1 answer 11 views

Which computer memory is volatile?  (a) RAM (b) ROM (c) EPROM (d) PROM

answered May 28, 2018 in Computer Engineering
1 answer 32 views

Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?  (a) FTP (b) SNMP (c) SMTP (d) RPC

answered May 28, 2018 in Computer Engineering
2 answers 36 views

Which part of the computer is used for calculating and comparing?  (a) Disk unit (b) Control unit (c) ALU (d) Modem

answered May 28, 2018 in Computer Engineering
0 answers 23 views

On a systems flowchart, the online manual keeping of input data is identified by using the  (a) online storage symbol (b) online keyboard symbol (c) keeping operation symbols (d) manual operation symbols

asked May 23, 2018 in Computer Engineering
0 answers 14 views

The data recording area between the blank gaps on magnetic tape is called a/an:  (a) record (b) block (c) field (d) database

asked May 23, 2018 in Computer Engineering
0 answers 23 views

Which of the following is not a sequential storage device?  (a) Magnetic disk (b) Magnetic tape (c) Paper tape (d) All of these

asked May 23, 2018 in Computer Engineering
0 answers 8 views

A CPU's processing power is measured in  (a) IPS (b) CIPS (c) MIPS (d) nano-seconds 

asked May 23, 2018 in Computer Engineering
0 answers 15 views

The slowest transmission speeds are those of  (a) twisted-pair wire (b) coaxial cable (c) fiber-optic cable (d) microwaves

asked May 23, 2018 in Computer Engineering
0 answers 23 views

Which of the following is an important characteristic of LAN?  (a) application independent interfaces (b) unlimited expansion (c) low cost access for low bandwidth channels (d) parallel transmission

asked May 23, 2018 in Computer Engineering
0 answers 15 views

The network layer, in reference to the OSI model, provide  (a) data link procedures that provide for the exchange of data via frames that can be sent and received (b) the interface between the X.25 network and packet mode device (c) the virtual circuit interface to packet-switched service (d) all of the above

asked May 23, 2018 in Computer Engineering
0 answers 14 views

Difference between Decision-Tables and Decision Tree is (are) :  (a) value to end user (b) form of representation (c) one shows the logic while other shows the process (d) all of the above

asked May 23, 2018 in Computer Engineering
1 answer 3 views

Direction Flag is used with

answered May 23, 2018 in Computer Engineering
1 answer 12 views

A certain SRAM has CS=0, WE=0 and OE=1. In which the following mode, this SRAM is operating: a) Read b) Write c) Stand By d) None of the above

answered May 23, 2018 in Computer Engineering
1 answer 13 views

Linear predictive code is widely used in 

answered May 23, 2018 in Computer Engineering
1 answer 4 views

X.25 protocol is a structured protocol that has 

answered May 23, 2018 in Computer Engineering
1 answer 5 views

In which layer Telnet and FTP works?  a. Application b. Session c. Network d. Physical 

answered May 17, 2018 in Computer Engineering
1 answer 4 views

The CPU structure contains:  a. Cache, ALU, Control Unit and Control Memory  b. System Bus, ALU, Control Unit and Registers  c. Memory, ALU, Control Unit and Cache  d. Registers, ALU, Internal CPU Interconnection and Control Unit 

answered May 17, 2018 in Computer Engineering
1 answer 14 views

 ____ is known as a computer network in which one centralized, powerful computer is a hub to which many less powerful personal computers or workstations are connected. The clients run programs and access data that stored on the server.  a) Client-Server network b) Extranet c) Internet d) None of the above.

answered May 13, 2018 in Computer Engineering
1 answer 17 views

Of the following, ____ would be considered as a way through which a computer virus can enter into a computer system.  a) E-mail with attachments b) Downloading the data from sites c) Operating the system without antivirus software d) All of the above

answered May 13, 2018 in Computer Engineering
1 answer 8 views

Nano Second is the ____.  a) Millionths of a second b) Billionths of a second c) Trillionth of a second d) Thousands of a second

answered May 13, 2018 in Computer Engineering
1 answer 10 views

The device that is used to read bar codes is ____.  a) OMR b) Barcode c) MICR d) OCR

answered May 13, 2018 in Computer Engineering
1 answer 13 views

 ____ are the examples of pointing devices.  a) Electronic Mouse b) Pointing Stick c)Track ball d) All of the above

answered May 13, 2018 in Computer Engineering
1 answer 13 views

 ____ is known as unauthorized access to the system.  a) Decryption b) Encryption c) Hacking d) None of the above

answered May 13, 2018 in Computer Engineering
1 answer 9 views

____ is known as allowing the authorized access to information.  a) Decryption b) Encryption c) Hacking d) None of the above

answered May 13, 2018 in Computer Engineering
1 answer 6 views

 ____ is known as restricting the access to information.  a) Decryption b) Encryption c) Hacking d) None of the above

answered May 13, 2018 in Computer Engineering
1 answer 12 views

A collection of related records in a database ____.  a) Field b) File c) Both (a) and (b) d) None of the above

answered May 13, 2018 in Computer Engineering
1 answer 15 views

Of the following, ____ is not a computer language. a) MS-Word b) C++ c) COBOL d) BASIC

answered May 13, 2018 in Computer Engineering
1 answer 21 views

Of the following, ____ is different from the group.  a) Windows b) MS-Word c) MS-Excel d) MS-PowerPoint

answered May 13, 2018 in Computer Engineering
1 answer 19 views

The computer code for interchange of information between terminals is ____.  a) ASCII b) ACSII c) ASICI d) ASIIC

answered May 13, 2018 in Computer Engineering
1 answer 16 views

 In processing of cheques which of the following technology is helpful to the banks ?  a) OMR b) Barcode c) MICR d) OCR

answered May 13, 2018 in Computer Engineering
1 answer 15 views

In a network, the computer that stores the files and processes the data is named as?  a) Terminal b) Modem c) Server d) None

answered May 13, 2018 in Computer Engineering
1 answer 7 views

Web address is a unique address to identify ____ on web.  a) Browser b) Website c) Link d) All of the above

answered May 13, 2018 in Computer Engineering
1 answer 7 views

Measuring unit of capacity of hard drive is____.  a) GB b) GHz c) MHz d) None of the above

answered May 13, 2018 in Computer Engineering
1 answer 23 views

A group of computers connected together through a central sever using cables and other communication devices is known as ____.  a) Network b) LAN c) WAN d) None of the above

answered May 13, 2018 in Computer Engineering
1 answer 5 views

False () function ____.  a) Returns the logical value of false b) Returns the logical value of true c) Returns the actual value d) None of the above

answered May 13, 2018 in Computer Engineering
1 answer 18 views

Without the symbol '=' excel will treat the data as ____.  a) Number b) Formula c) Text d) None of the above

answered May 13, 2018 in Computer Engineering
1 answer 9 views

Which of the following is correct ____.  a) Frequency (data-array, bins array) b) Frequency (data, bins) c) Frequency (data, bins array) d) Frequency (array, bins array)

answered May 13, 2018 in Computer Engineering
1 answer 10 views

Of the following is correct syntax in excel ____?  a) REPLACE (old-text, num-chars, Start-num, New-text) b) REPLACE (old-text, Start-num, num-chars, New-text) c) REPLACE (old-text, New-text, num-chars, Start-num) d) REPLACE (num-chars, Start-num, old-text, New-text)

answered May 13, 2018 in Computer Engineering
1 answer 6 views

Among the following ____ is a logical function.  a) Average b) Count c) ABS d) AND

answered May 13, 2018 in Computer Engineering
1 answer 14 views

What is the shortcut key to display the 'save as' dialog box ____.  a) F8 b) F12 c) F11 d) F9

answered May 13, 2018 in Computer Engineering
1 answer 13 views

To find text, formatting and special items ____ is the keyboard short key.  a) Ctrl+g b) Ctrl+h c) Ctrl+f d) Ctrl+a

answered May 13, 2018 in Computer Engineering
1 answer 9 views

 In a table to move to the first cell in a row, ____ is the keyboard shortcut key.  a) Alt+Tab b) Alt+Shift c) Alt+Ctrl d) Alt+Home

answered May 13, 2018 in Computer Engineering
1 answer 7 views

What is the keyboard shortcut key to merge a document ____.  a) Alt+Shift+N b) Alt+Shift+O c) Alt+Shift+P d) Alt+Shift+Q

answered May 13, 2018 in Computer Engineering
1 answer 21 views

After copying the content, how many times can you paste ____.  a) Only one time b) Two times c) Three times d) Many times

answered May 13, 2018 in Computer Engineering
1 answer 10 views

The smallest unit of computerized data is referred as ____.  a) Bit b) Byte c) Both (a) and (b) d) None of the above

answered May 13, 2018 in Computer Engineering
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