TU IOST | Computer
Which bus is bidirectional?
Answer: Data bus
2080 paper, Q101: explanation →Which of the following is also known as flash memory?
Answer: EEPROM
2080 paper, Q102: explanation →Which of the following is based on separate storage and signal pathway?
Answer: Harvard
2080 paper, Q103: explanation →Which of the following is often used for automatic computation?
Answer: Digital
2080 paper, Q113: explanation →Which of the following is the slowest memory?
Answer: Hard disk
2080 paper, Q114: explanation →The CPU is given instructions and data through programs. The CPU then fetches the program and data from the memory and performs ............. as per the given instructions and stores the result back to memory.
Answer: Arithmetic and Logic operations
2080 paper, Q115: explanation →1 PB (pentabyte) is equivalent to
Answer: 1000 TB
2080 paper, Q117: explanation →Which one of the following is part of central processing unit?
Answer: ALU
2079 paper, Q84: explanation →Which one of the following is volatile memory?
Answer: RAM
2079 paper, Q86: explanation →Which one of the following generation computers were developed using microprocessor technology?
Answer: Fourth
2079 paper, Q90: explanation →Which of the following devices provides the communication between a computer and the outer world?
Answer: I/O
PU 2079 paper, Q41: explanation →Which of the following are the input devices that enable direct data entry into a computer system from source documents?
Answer: Data scanning devices
PU 2079 paper, Q42: explanation →Which of the following devices is used for converting maps, pictures and drawings into digital form for storage in computers?
Answer: Digitizer
PU 2079 paper, Q43: explanation →Which of the following is a technique that marked the beginning of computer communication?
Answer: Time sharing
PU 2079 paper, Q48: explanation →Which of the following produces the best quality graphics reproduction?
Answer: Laser printer
PU 2079 paper, Q52: explanation →Magnetic disks are the most popular medium for
Answer: Direct access
PU 2079 paper, Q53: explanation →What is the full form of BIOS?
Answer: Basic input output system
PU 2079 paper, Q55: explanation →______ computers are often referred as Big iron.
Answer: Mainframe
PU 2079 paper, Q56: explanation →A chip having 5000 transistors and other circuit elements and their associated circuits is known as
Answer: LSI chip
PU 2079 paper, Q59: explanation →Which access method is used for obtaining a record from a cassette tape?
Answer: Sequential
PU 2079 paper, Q61: explanation →______ computer has been designed to be as compact as possible.
Answer: Micro
PU 2079 paper, Q62: explanation →RAM is also called as
Answer: Volatile memory
PU 2079 paper, Q67: explanation →The Brain of any computer is
Answer: CPU
PU 2079 paper, Q68: explanation →UNIVAC stands for
Answer: Universal Automatic Computer
PU 2079 paper, Q69: explanation →Which is the part of the computer system that one can physically touch?
Answer: hardware
2078 paper, Q91: explanation →A .......... is an electronic device that process data, converting it into information.
Answer: computer
2078 paper, Q92: explanation →Which of the following is not an input device?
Answer: VDU
2078 paper, Q95: explanation →Which of the following is an example of non-volatile memory?
Answer: ROM
2078 paper, Q97: explanation →During the ............ portion of the Information Processing Cycle, the computer acquires data from some source.
Answer: input
2078 paper, Q99: explanation →The disadvantage of dynamic RAM over static RAM is
Answer: need to refresh the capacitor charge every once in two milliseconds
2077 paper, Q91: explanation →Main storage is also called
Answer: Memory
2077 paper, Q92: explanation →Which printer is very commonly used for desktop publishing?
Answer: Laser printer
2077 paper, Q93: explanation →Which of the following can store information in the form of microscopic pits on metal disks?
Answer: Laser disks
2077 paper, Q95: explanation →A storage system for small amounts of data is
Answer: Magnetic card
2077 paper, Q96: explanation →Computer monitor is also known as:
Answer: VDU
2077 paper, Q98: explanation →The output shown on the computer monitor is called
Answer: Soft copy
2077 paper, Q99: explanation →Name of the screen that recognizes touch input is :
Answer: Touch Screen
2076 paper, Q92: explanation →Arrange in ascending order the units of memory TB, KB, GB, MB
Answer: TB>GB>MB>KB
2076 paper, Q93: explanation →Who is father of computer?
Answer: Charles Babbage
2076 paper, Q97: explanation →Which of following is used as a memory in computers?
Answer: RAM
2076 paper, Q98: explanation →The printed output from a computer is known as........
Answer: Hard Copy
2076 paper, Q100: explanation →$1000-100$ binary subtraction is equivalent to......
Answer: 100
2080 paper, Q104: explanation →ASCII used ...... bits to represent characters.
Answer: 7 bits
2080 paper, Q118: explanation →The code for the character "a" belongs to....... ASCII code.
Answer: 97
2080 paper, Q119: explanation →Which of the following Binary numbers is equivalent to the decimal number 24?
Answer: 11000
2080 paper, Q120: explanation →The octal number system is called base-8 system as it has total eight digits
Answer: 0 to 7
2080 paper, Q121: explanation →How many AND gates are required to realize $Y=CD+EF+G$?
Answer: 2
2080 paper, Q139: explanation →How many two-input AND gates and two input OR gates are required to realize $Y=BD+CE+AB$?
Answer: 3, 2
2080 paper, Q140: explanation →Which of the following is absorption law in Boolean algebra?
Answer: $A+(A\cdot B)=A$
2080 paper, Q145: explanation →Which one is an example of identity law?
Answer: $a+0=0+a=a$
2080 paper, Q146: explanation →One kilobyte is equivalent to
Answer: 8192 bits
2079 paper, Q87: explanation →$(617)_{10}=(\ldots)_2$
Answer:
PU 2079 paper, Q63: explanation →$(101110100011)_2=$
Answer: $(BA3)_{16}$
PU 2079 paper, Q64: explanation →The equivalent of highest five-digit binary number is
Answer: $(31)_{10}$
PU 2079 paper, Q65: explanation →The binary coded decimal (BCD) uses
Answer: None of these
PU 2079 paper, Q66: explanation →One Gigabyte is approximately equal is:
Answer: 1000,000,000 bytes
2078 paper, Q94: explanation →bit stands for
Answer: binary digit
2078 paper, Q100: explanation →Backberry is ..... software.
Answer: System
2080 paper, Q105: explanation →What else is a command interpreter called?
Answer: shell
2080 paper, Q122: explanation →What is the meaning of the Booting in the operating system?
Answer: Restarting computer
2080 paper, Q123: explanation →What is bootstrapping called?
Answer: Cold boot
2080 paper, Q124: explanation →Which of the following is an example of a Real Time Operating System?
Answer: Process Control
2080 paper, Q125: explanation →Which of the following is an open source software?
Answer: Linux
2080 paper, Q150: explanation →Which one of the following is not an operating system?
Answer: C
2079 paper, Q82: explanation →Which of the followings is a type of technique in which dumb terminals are connected to a central computer system?
Answer: Time sharing
PU 2079 paper, Q49: explanation →From where we can change the name of a User Account?
Answer: Control panel
PU 2079 paper, Q70: explanation →How can we bring 'My computer' icon on the desktop if it is not there?
Answer: From display properties
PU 2079 paper, Q71: explanation →The extension of a text file (i.e. Notepad file) is
Answer: .txt
PU 2079 paper, Q73: explanation →Which of the following is not an example of an Operating System?
Answer: Microsoft Office XP
2078 paper, Q93: explanation →File extensions are used in order to ..........
Answer: Identify the file type
2078 paper, Q98: explanation →MS-Word is an example of ...........................
Answer: Application Software
2076 paper, Q99: explanation →Which of the following is a component of cyber security?
Answer: RSA
2080 paper, Q111: explanation →Which among the following is not ethical hacker?
Answer: Black hat hacker
2080 paper, Q112: explanation →In which of the following, a person is constantly followed/chased by another person or group of several peoples?
Answer: Stalking
2080 paper, Q134: explanation →Which of the following refers to exploring the appropriate, ethical behaviors related to the online environment and digital media platform?
Answer: Cyber Ethics
2080 paper, Q135: explanation →Code Red is a type of ........
Answer: A computer virus
2080 paper, Q136: explanation →Which of the following statements is correct about the firewall?
Answer: It is a device installed at the boundary of incorporation to protect it against unauthorized access.
2080 paper, Q137: explanation →Which of the following is a type of independent malicious program that never requires any host program?
Answer: Worm
2080 paper, Q138: explanation →A hacker contacts your phone or e-mail and attempts to acquire your password is called
Answer: phishing
2080 paper, Q143: explanation →Which of the following is defined as an attempt to steal, spy, damage or destroy computer systems, networks, or their associated information?
Answer: Cyber attack
2080 paper, Q148: explanation →Where did the term "hacker" originate?
Answer: MIT
2080 paper, Q149: explanation →Firewall is used for
Answer: Security
2079 paper, Q81: explanation →Junk email is also called
Answer: Spam
2076 paper, Q95: explanation →Which of the following can read and render HTML web pages?
Answer: Web Browser
2080 paper, Q128: explanation →Which of the following attributes defines the relationship between the current document and URL?
Answer: REL
2080 paper, Q130: explanation →How many sizes of headers are available in HTML by default?
Answer: 6
2080 paper, Q131: explanation →What is the color code of blue color in html?
Answer: #0000ff
2080 paper, Q141: explanation →Which of the following tag is not valid in HTML5?
Answer: <e>
2080 paper, Q142: explanation →Which one of the following languages is used to develop web sites?
Answer: All of the above
2079 paper, Q83: explanation →Which one of the following is first search engine?
Answer: Archie
2079 paper, Q89: explanation →Which software is used to open website?
Answer: Google chrome
PU 2079 paper, Q51: explanation →The first web browser is
Answer: Mosaic
PU 2079 paper, Q54: explanation →Which of following is not a search engine?
Answer: Firefox Mozilla
2076 paper, Q91: explanation →What is full form of WWW
Answer: World Wide Web
2076 paper, Q94: explanation →Which of the following has smallest coverage?
Answer: PAN
2080 paper, Q108: explanation →Which among the following is full duplex transmission?
Answer: Bluetooth
2080 paper, Q109: explanation →MAC stands for.....
Answer: Media Access Control
2080 paper, Q110: explanation →Simple network management protocol uses which of the following port number
Answer: 161
2080 paper, Q129: explanation →Which of the following is the correct IPv4 address?
Answer: 128.64.0.0
2080 paper, Q147: explanation →Which of the followings can access the server?
Answer: Web client
PU 2079 paper, Q44: explanation →Which of the following services allows a user to log in to another computer somewhere on the internet?
Answer: Telnet
PU 2079 paper, Q50: explanation →Which device is best for firewall configuration?
Answer: Router
PU 2079 paper, Q57: explanation →Which of the following cables uses RJ45 connectors?
Answer: Unshielded Twisted Pair Cable
PU 2079 paper, Q58: explanation →Modem is used for
Answer: Modulation and demodulation
PU 2079 paper, Q60: explanation →Which key on the keyboard can be used to view slide show?
Answer: F5
2080 paper, Q116: explanation →The amount of vertical space between lines of text in a document is called
Answer: Line spacing
2079 paper, Q85: explanation →Which one of the following software is used to make presentation slides?
Answer: Power Point
2079 paper, Q88: explanation →Which of the following packages allows individuals to use personal computers for storing and retrieving their personal information?
Answer: Personal assistance package
PU 2079 paper, Q46: explanation →Which one is an example of spreadsheet software?
Answer: Ms excel
PU 2079 paper, Q72: explanation →Which software can be used for giving presentation (e.g. product demo)?
Answer: MS PowerPoint
PU 2079 paper, Q74: explanation →Which one is not an Image Editing software?
Answer: Ms powerpoint
PU 2079 paper, Q75: explanation →Which feature is used to make a selected sentence all Capital Letters or all small letters?
Answer: Change Case
2077 paper, Q100: explanation →Which of following is used to make presentation slides?
Answer: PowerPoint
2076 paper, Q96: explanation →Which of the following is high level procedural language?
Answer: Fortran
2080 paper, Q106: explanation →Which of the following is logical operator
Answer: &&
2080 paper, Q107: explanation →What will be the output of the following code snippet? #include <stdio.h> int main() { int a = 3, b = 5; int t = a; a = b; b = t; printf("%d %d", a, b); return 0; }
Answer: 53
2080 paper, Q127: explanation →Which of the following is known as the language made up of binary-coded instructions?
Answer: Machine
PU 2079 paper, Q45: explanation →Which is another name of functional language?
Answer: Application language
2077 paper, Q97: explanation →Multimedia is also used for ....... communications and presentations.
Answer: Corporate
2080 paper, Q132: explanation →A heavy video in a WBT may not load because of poor
Answer: Bandwidth
2080 paper, Q133: explanation →What type of process creates a smaller file that is faster to transfer over the internet?
Answer: Compression
2078 paper, Q96: explanation →The gas used to extinguish fire is
Answer: Carbon Dioxide
2079 paper, Q91: explanation →The number of logical records in a physical record is
Answer: Blocking factor
2077 paper, Q94: explanation →The largest portion of the human brain part is
Answer: Cerebrum
2079 paper, Q92: explanation →The process of curing inflation by reducing money supply is called
Answer: Disinflation
2079 paper, Q93: explanation →In which country, the world's first baby with antibodies against the novel coronavirus is reported to be born?
Answer: USA
2079 paper, Q94: explanation →Which country has banned construction of skyscrapers that are taller than 500 meters?
Answer: China
2079 paper, Q95: explanation →What is the name of the condition, in which human does not realize the drop in oxygen level and continue to perform normal activities?
Answer: Happy Hypoxia
2079 paper, Q99: explanation →Which planet is named after a Roman god of Wealth and Agriculture?
Answer: Saturn
2079 paper, Q100: explanation →