Top 1000+ Solved Important Computer MCQs For Competitive Exams part-1 MCQ Questions Answer
Q. Which of the following PC user must have a special hardware device that is to linkup with a bulletin board system?
a. ALU
b. Control Unit
c. Modem
d. Light Pen
e. None of these
Q. A single primary storage location in the processor unit
a. can hold several different data items at the same time
b. can hold data items but not program instructions
c. is identified by a built-in and unique number called an address
d. is identified by a number that varies with the contents in the location.
e. None of these
Q. A large computer designed to handle complex scientific calculations
a. may use only a firmed word-length storage approach
b. will likely require a character addressable storage unit
c. must use fixed length words of four character each
d. will not use numbered address locations
e. None of these
Q. Methods used to organize and physically store disk data are cylinder and
a. sector
b. surface
c. track
d. hib
e. None of these
Q. Magnetic storage chips have no moving parts, and they provide nonvolatile direct- access storage of data.
a. Tape
b. Disk
c. Ink character
d. Bus
e. None of these
Q. A class of random access memory that requires periodic servicing in order for, the contents to remain valid is
a. Static RAM
b. Dynamic RAM
c. PROM
d. EPROM
e. None of these
Q. A sequence of microinstruction is
a. machine code
b. microcode
c. mnemonics
d. gray code
e. None of these
Q. A specific part of an arithmetic and logic unit that is used to perform the operation of multiplication is
a. multiplier
b. multiplener
c. multivibrator
d. quantization
e. None of these
Q. Which of the following belongs to the first generation of computer?
a. HNIAC
b. IBM 1401
c. IBM 8090
d. UNI VAC
e. None of these
Q. A typical modern computer uses
a. LSI chips
b. vacuum tubes
c. valves
d. All these
e. None of these
Q. Which kind of hardware is used the most in the input phase of a computer-based information system?
a. Keyboard
b. Printer
c. Monitor
d. Hard disk
e. None of these
Q. Which kind of device allows the user to add components and capabilities to a computer system?
a. System boards
b. Storage devices
c. Input devices
d. Expansion slots
e. None of these
Q. Which of the following persons probably has the least amount of technical knowledge?
a. User
b. Computer operator
c. System Analyst
d. Programmer
e. None of these
Q. Which of the following is not true for primary storage?
a. Information must be transferred to primary storage
b. It is relatively more expensive
c. It allows very fast access to data
d. It is less expensive
e. None of these
Q. In a generic microprocessor, instruction cycle time is
a. shorter than machine cycle time
b. larger than machine cycle time
c. exactly double the machine cycle time
d. exactly the same as the machine cycle time
e. None of these