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Computer Science NCERT Most Important MCQ for Exam 2024 | Expected Question STET Computer Science
Q. The first electronic digital computer contained _?
(a) Electronic valves
(b) Neural Networks
(c) Fuzzy Logic
(d) Semiconductor memory
Ans – (a) Electronic valves
Q. Which of the following is used by the tablet PC to write on the screen.
(a) finger
(b) mouse
(c) digitalizer
(d) stylus
Ans – (d) stylus
Q. What does MIDI stand for?
(a) Musical Internet Digital Interface
(b) Musical Internet Digital Interrupt
(c) Musical Instrument Digital Interface
(d) Musical Instrument Download Interface
Ans – (c) Musical Instrument Digital Interface
Q. Which key will launch the Start button.
(a) esc
(b) shift
(c) Windows
(d) Shortcut
Ans – (c) Windows
Q. An input device that utillses a light-sensitive detector to select objects on a display screen is known as _.
(a) Optical scanner
(b) Touch screen
(c) Light Pen
(d) Mouse
Ans – (c) Light Pen
Q. Ctrl, Shift and Alt are called ………. keys.
(a) Modifier
(b) function
(c) alphanumeric
(d) adjustment
Ans – (a) Modifier
Q. MS-Word is an example of _
(a) An operating system
(b) A processing device
(c) Application software
(d) An input device
Ans -(c) Application software
Q. Junk e-mail is also called __
(a) Spam
(b) Spoof
(c) Sniffer script
(d) Spool
Ans – (a)
Q. Microsoft Office is an example of a
(a) Closed source software
(b) Open source software
(c) Horizontal market software
(d) vertical market software
Ans – (c) Horizontal market software
Q. What is the Full Form of INTERNET ?
(a) International net
(b) INTERnational-NETwork
(c) inter network
(d) inner netwrok
Ans – (b) INTERnational-NETwork
Q. By default, your documents print in __ mode
(a) Landscape
(b) Portrait
(c) Page Setup
(d) Print View
Ans – (b) Portrait
Q. Which of the following is a popular programming language for developing multimedia webpages.
(a) COBOL
(b) Java
(c) BASIC
(d) Assembler
Ans – (b) Java
Q. Which among following first generation of computers had ?
(a) Vaccum Tubes and Magnetic Drum
(b) Integrated Circuits
(c) Magnetic Tape and Transistors
(d) All of above
Ans – (a) Vaccum Tubes and Magnetic Drum
यह भी पढ़ें –
Q. Where is RAM located ?
(a) Expansion Board
(b) External Drive
(c) Mother Board
(d) All of above
Ans – (c) Mother Board
Q. The first computer was programmed using …….
(a) Assembly language
(b) Machine language
(c) Spaghetti code
(d) Source code
Ans – (b) Machine language
Q. Storage capacity of magnetic disk depends on
(a) disk pack in disk surface
(b) tracks per inch of surface
(c) bits per inch of tracks
(d) All of the above
Ans – (d) All of the above
Q. The First Mechanical Computer Designed by Charles Babbage was called?
(a) Super Computer
(b) Abacus
(c) Calculator
(d) Analytical Engine
Ans – (d) Analytical Engine
Q. In MICR, C stands for………..
(a) Code
(b) Colour
(c) Computer
(d) Character
Ans – (d) Character
Q. What is an ISR?
(a) Information Service Request
(b) Interrupt Service Request
(c) Interrupt Service Routine
(d) Information Service Routine
Ans – (c) Interrupt Service Routine
Q. DMA is used for __
(a) High speed devices(disks and communications network)
(b) Low speed devices
(c) Utilizing CPU cycles
(d) All of the mentioned
Ans – (a) High speed devices(disks and communications network)
Q. To avoid deadlock __
(a) there must be a fixed number of resources to allocate
(b) resource allocation must be done only once
(c) all deadlocked processes must be aborted
(d) inversion technique can be used
Ans -(a) there must be a fixed number of resources to allocate
Q. In public key cryptography, a key that decrypts the message.
(a) public key
(b) unique key
(c) private key
(d) security key
Ans – (b) unique key
Q. DES stands for?
(a) Data Encryption Standard
(b) Data Encryption Statistics
(c) Data Encryption System
(d) Data Encryption Sequence
Ans – (a) Data Encryption Standard
Q. Attack in which a user creates a packet that appears to be something else.
(a) Smurfing
(b) Trojan
(c) E-mail bombing
(d) Spoofing
Ans – (d) Spoofing
Q. OSS stands for _
(a) Open System Service
(b) Open Source Software
(c) Open System Software
(d) Open Synchronized Software
Ans – (b) Open Source Software
Q. Set of a program which consists of full documentation.
(a) Software Package
(b) System Software
(c) Utility Software
(d) File package
Ans – (a) Software Package
Q. PNG is a _
(a) image format
(b) file format
(c) internet format
(d) html format
Ans – (a) image format
Q. A unique piece of information that is used in encryption.
(a) Cipher
(b) Plain Text
(c) Key
(d) Cipher
Ans – (c) Key
Q. Which one of the following is the characteristic of a multimedia system?
(a) high storage
(b) high data rates
(c) both high storage and high data rates
(d) none of the mentioned
Ans – (c) both high storage and high data rates
Q. To avoid deadlock __
(a) there must be a fixed number of resources to allocate
(b) resource allocation must be done only once
(c) all deadlocked processes must be aborted
(d) inversion technique can be used
Ans – (a) there must be a fixed number of resources to allocate
Q. What is an ISR?
(a) Information Service Request
(b) Interrupt Service Request
(c) Interrupt Service Routine
(d) Information Service Routine
Ans – (c) Interrupt Service Routine