CBSE Class 11 Computer Science Fundamentals of Computer MCQs

Question. External Bus is also referred as _________
A. System Bus
B. Memory Bus
C. Front-Side Bus
D. Expansion Bus

Answer D. Expansion Bus

Question. The method of accessing the I/O devices by repeatedly checking the status flags is_________
A. Memory-mapped I/O
B. Program-controlled I/O
C. I/O mapped
D. None of the Above

Answer B. Program-controlled I/O

Question. The process where in the processor constantly checks the status flags is called as _________
A. Polling
B. Inspection
C. Reviewing
D. None of the Above

Answer A. Polling

Question. The branch logic that provides decision making capabilities in the control unit is known as_______
A. conditional transfer
B. unconditional transfer
C. Both (A) and (B)
D. None of the above

Answer B. unconditional transfer

Question. The Command to access the memory or the I/O device is carried by ______
A. Address Bus
B. Data Bus
C. Control Bus
D. None of the Above

Answer C. Control Bus

Question. RISC stands for________
A. Reverse Instruction Set Computer
B. Reverse Information Set Computer
C. Reduced Information Set Computer
D. Reduced Instruction Set Computer

Answer D. Reduced Instruction Set Computer

Question. ________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU.
A. Accumulator
B. Bus
C. Buffer
D. None of the Above

Answer A. Accumulator

Question. A joystick is primarily used to/for ________
A. print text
B. draw picture
C. computer gaming
D. None of the Above

Answer C. computer gaming

Question. The ______ may also be called the screen or monitor.
A. Scanner
B. Display
C. Hard Disk
D. None of the Above

Answer B. Display

Question. What type of devices are computer speakers or headphones?
A. Input
B. Output
C. Input/Output
D. None of the Above

Answer B. Output

Question. CISC stands for _________
A. Compound Instruction Set Computer
B. Complex Information Set Computer
C. Compound Information Set Computer
D. Complex Instruction Set Computer

Answer D. Complex Instruction Set Computer

Question. The register which holds the address of the location to or from which data are to be transferred is known as_______
A. Instruction Register
B. Control register
C. Memory Address Register
D. None of the Above

Answer C. Memory Address Register

Question. Interrupts which are initiated by an I/O drive are ___________
A. internal
B. external
C. Both (A) and (B)
D. All of the above

Answer B. external

Question. Content of the program counter is added to the address part of the instruction in order to obtain the effective address is called_______
A. relative address mode.
B. index addressing mode.
C. register mode.
D. implied mode.

Answer A. relative address mode.

Question. An interrupt can be temporarily ignored by the counter is called_______
A. Maskable Interrupt
B. Non-maskable Interrupt
C. vectored Interrupt
D. None of the Above

Answer A. Maskable Interrupt

Question. The computer performs all mathematical and logical operations inside its _______
A. Visual Display Unit
B. Memory Unit
C. Output Unit
D. Central Processing Unit

Answer D. Central Processing Unit

Question. Which of the following Unit can be used to measure the speed of a computer?
A. BAUD
B. SYPS
C. MIPS
D. None of the Above

Answer C. MIPS

Question. The circuit used to store one bit of data is known as_____
A. Encoder
B. OR
C. Flip Flop
D. None of the Above

Answer C. Flip Flop

Question. The control unit controls other units by generating control and _______
A. Command Signals
B. Timing signals
C. Transfer signals
D. None of the Above

Answer B. Timing signals

Question. Which of the following bus structure is usually used to connect I/O devices?
A. Single bus
B. Multiple bus
C. Star bus
D. None of the Above

Answer A. Single bus

Question. An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as________
A. DDA
B. Serial interface
C. Direct Memory Access (DMA)
D. None of the Above

Answer C. Direct Memory Access (DMA)

Question. A basic instruction that can be interpreted by computer generally has ________
A. An operand and an address
B. decoder and an accumulator
C. Sequence register and decoder
D. None of the Above

Answer A. An operand and an address

Question. The load instruction is mostly used to designate a transfer from memory to a processor register known as_________
A. Accumulator
B. Instruction Register
C. Program counter
D. Memory address Register

Answer A. Accumulator 

Question. The communication between the components in a microcomputer takes place via the address and ______
A. I/O bus
B. Data bus
C. Address bus
D. None of the Above

Answer B. Data bus

Question. The operation executed on data stored in registers is called_______
A. Macro-operation
B. Micro-operation
C. Bit-operation
D. None of the Above

Answer B. Micro-operation

Question. Which register keeps tracks of the instructions in the program stored in memory?
A. Address Register
B. Index Register
C. Program Counter
D. None of the Above

Answer C. Program Counter

Question. In which addressing mode the operand is given explicitly in the instruction?
A. Absolute
B. Immediate
C. Indirect
D. Direct

Answer B. Immediate

Question. When necessary, the results are transferred from the CPU to main memory by _______
A. I/O devices.
B. CPU.
C. Shift registers.
D. None of the Above.

Answer C. Shift registers.

Question. A group of bits that tell the computer to perform a specific operation is known as_______
A. Instruction code
B. Micro-operation
C. Accumulator
D. Register

Answer A. Instruction code

Question. The average time required to reach a storage location in memory and obtain its contents is called_____.
A. Latency time.
B. Access time.
C. Turnaround time.
D. Response time.

Answer B. Access time.

Question. The addressing mode which makes use of in-direction pointers is ______
A. Offset addressing mode
B. Relative addressing mode
C. Indirect addressing mode
D. None of the Above

Answer C. Indirect addressing mode

Question. Which addressing mode is most suitable to change the normal sequence of execution of instructions?
A. Immediate
B. Indirect
C. Relative
D. None of the Above

Answer C. Relative

Question. Which of the following is used as an intermediate to extend the processor BUS?
A. Gateway
B. Router
C. Connector
D. Bridge

Answer D. Bridge

Question. _________ is a group of commands for a CPU in machine language.
A. Information Set
B. Instruction Set
C. Buffer
D. None of the Above

Answer B. Instruction Set

Question. Von Neumann Architecture is a _______
A. Multiple Instruction Multiple Data(MIMD)
B. Single Instruction Multiple Data(SIMD)
C. Multiple Instruction Single Data(MISD)
D. Single Instruction Single Data(SISD)

Answer D. Single Instruction Single Data(SISD)

Question.. Programming that actually controls the path of signals or data within computer is called________
A. Assembly language Programming
B. Machine language Programming
C. Micro Programming
D. None of the Above

Answer C. Micro Programming

Question. Interrupts that are initiated by an instruction are_______
A. internal
B. external
C. hardware
D. software

Answer D. software

Question. A communication system that transfers data between the components inside a computer or between computers is called_______
A. Port
B. Bus
C. Registers
D. None of the Above

Answer B. Bus

Question. Which bus connects all the internal components of a computer such as CPU and memory to the main board(motherboard)?
A. Expansion Bus
B. External Bus
C. Internal Bus
D. None of the Above

Answer C. Internal Bus

Question. A bus that connects a computer to Peripheral devices is called _______
A. System Bus
B. Memory Bus
C. Front-Side Bus
D. External Bus

Answer D. External Bus

Question. A register capable of shifting its binary information either to the right or the left is called a_________
A. parallel register.
B. serial register.
C. shift register.
D. storage register.

Answer C. shift register.

Question. The pattern of printed lines on most products are called ________
A. OCR
B. prices
C. bar codes
D. None of the Above

Answer C. bar codes

Question. MICR stands for ____________
A. Magnetic Ink Colour Recognition
B. Magnetic Ink Code Recognition
C. Magnetic Ink Computer Recognition
D. Magnetic Ink Character Recognition

Answer D. Magnetic Ink Character Recognition

Question. The OCR recognises the _______ of the characters with the help of light source.
A. Size
B. Shape
C. Colour
D. None of the Above

Answer B. Shape

Question. Which Unit is used to measure the speed of a printer?
A. DPI
B. CPM
C. PPM
D. None of the Above

Answer C. PPM

Question. Which of the following groups consist of only Input devices?
A. Mouse, Keyboard, Monitor
B. Mouse, Keyboard, Printer
C. Mouse, Keyboard, Plotter
D. Mouse, Keyboard, Scanner

Answer D. Mouse, Keyboard, Scanner

Question. USB refers to a ______
A. storage device
B. processor
C. port type
D. None of the Above

Answer C. port type

Question. OCR is used for the preparation of _________
A. electricity bills
B. telephone bills
C. insurance premium
D. All of the Abov

Answer D. All of the Above 

Question. A computer bus that is used to specify a Physical address?
A. Address Bus
B. Data Bus
C. Control Bus
D. None of the Above

Answer A. Address Bus

Question. A bus that transfer data from one component to another or between computers is called _________
A. Address Bus
B. Data Bus
C. Control Bus
D. None of the Above

Answer B. Data Bus