EPISODE-279-2831 .- Which of the following is used to measure the speed of the CPU (processor)?
(A) Processing speed
(B) Unit
(C) Coprocessor
(D) Clock speed
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Answer: Answer: (D)
EPISODE-279-2832 .- A uniform interval of CPU time allocated for performing a task is called
(A) real time
(B) seek time
(C) time slice
(D) unit time
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Answer: Answer: (C)
EPISODE-279-2833 .- What is the full form of DMA?
(A) Direct memory access
(B) Dynamic memory access
(C) Double memory access
(D) None of these
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Answer: Answer: (A)
EPISODE-279-2834 .- Which of the following statement is not correct about DMA?
(A) DMA is much faster and more efficient than a CPU processor to perform I/O in the computer system.
(B) DMA sends data from memory to an I/O device directly, without using CPU in the computer.
(C) DMA takes a lot of time to transfer data from memory to I/O.
(D) Without DMA, CPU reads the block of data from memory and writes it to an I/O device in the computer.
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Answer: Answer: (C)
EPISODE-279-2835 .- CPU is fabricated on a single integrated circuit board that is known as
(A) Motherboard
(B) Microprocessor
(C) CU
(D) ALU
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Answer: Answer: (B)
EPISODE-279-2836 .- The main task of the central processing unit is to
(A) carry out program instruction
(B) store data or information for further use
(C) process data and information
(D) Both a and c
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Answer: Answer: (D)
EPISODE-279-2837 .- Which of the following unit helps to establish the communication between memory and ALU in the computer?
(A) CMU
(B) CCU
(C) CPU
(D) None
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Answer: Answer: (C)
EPISODE-279-2838 .- Internal memory of central processing unit is nothing but
(A) a set of registers
(B) a set of ALU and CU
(C) buses
(D) None
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Answer: Answer: (A)
EPISODE-279-2839 .- Which of the following invented the first microprocessor?
(A) Vint Cerf
(B) Terence Percival
(C) John Mauchly
(D) Ted Hoff
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Answer: Answer: (D)
EPISODE-279-2840 .- The microprocessor consists of millions of
(A) registers
(B) microchips
(C) transistors
(D) semiconductors
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Answer: Answer: (C)
EPISODE-279-2841 .- The microprocessor of a computer system
(A) understand machine language and low-level language
(B) understand machine language and high-level language
(C) understand only machine language
(D) understand only assembly language
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Answer: Answer: (C)
EPISODE-279-2842 .- Which memory unit communicates directly with the CPU?
(A) Main memory
(B) Register
(C) Secondary memory
(D) Auxiliary memory
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Answer: Answer: (A)
EPISODE-279-2843 .- Which memory is used for storing data and program instructions currently being executed by CPU?
(A) Mass memory
(B) Auxiliary memory
(C) Internal memory
(D) Non-volatile memory
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Answer: Answer: (C)
EPISODE-279-2844 .- Which of the following components remains on the motherboard?
(A) CMOS battery
(B) PCI slot
(C) Case fan
(D) All of the above
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Answer: Answer: (D)
EPISODE-279-2845 .- The read and write operations in the computer is carried out through
(A) data bus
(B) address bus
(C) control bus
(D) All of these
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Answer: Answer: (C)
EPISODE-279-2846 .- Which of the following key should be pressed to move to the beginning of a line of text?
(A) Page up
(B) Shift
(C) Home
(D) Enter
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Answer: Answer: (C)
EPISODE-279-2847 .- Which key is used to launch the Start button?
(A) Esc
(B) Shift
(C) Windows
(D) Shortcut
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Answer: Answer: (C)
EPISODE-279-2848 .- What kind of device is a computer mouse?
(A) Input
(B) Output
(C) Pointing device
(D) Both a and c
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Answer: Answer: (D)
EPISODE-279-2849 .- Which button is known as a middle button used as the third mouse button?
(A) Right button
(B) Left button
(C) Scroll wheel
(D) None of these
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Answer: Answer: (C)
EPISODE-279-2850 .- A joystick is primarily used for which purpose?
(A) controlling sound on the screen
(B) computer gaming
(C) enter text
(D) draw pictures
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Answer: Answer: (B)
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