154. A system program which helps the execution of user programs is known as
A. System software
B. Application program
C. Batch operating system
D. Utilities
✅ The correct answer is option A.
81. The time required for the fetching and execution of one simple machine instruction is
A. Delay time
B. CPU cycle
C. Real time
D. Seek time
✅ The correct answer is option B.
84. Perforated paper used as input or output media is known as
A. Paper tape
B. Magnetic tape
C. Punched paper tape
D. Card punch
✅ The correct answer is option A.
87. The term ‘user interface’ refers to ……..
A. What the user sees on the screen and how they can interact with it.
B. How the operating system responds to user commands.
C. the means by which the user interacts with the peripheral devices on the computer.
D. the monitor that is available for the computer.
✅ The correct answer is option A.
90. IDE (ATE) or SATA interface connect Mother board with-
A. Mother board
B. RAM
C. Processor
D. Hard disk
✅ The correct answer is option D.
93. The ALU and control unit of most of the microcomputers are combined and manufactured on a single silicon chip. What is it called?
A. Monochip
B. Microprocessor
C. ALU
D. Control Unit
✅ The correct answer is option B.
96. Which command is used to set a name to a disk in DOS?
A. VOLUME
B. VOL
C. LABEL
D. DISKLABEL
✅ The correct answer is option C.
99. Which output device is used for translating information from a computer into pictorial form on paper.
A. Mouse
B. Plotter
C. Touch panel
D. Card punch
✅ The correct answer is option B.
102. A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as
A. Super computer
B. Mini computer
C. Micro computer
D. Micro computer
✅ The correct answer is option A.
104. The input unit of a computer
A. feeds data to the CPU or memory
B. retrieves data from CPU
C. directs all other units
D. All of the above
✅ The correct answer is option A.