16 Computer fundamental Notes PPSC fpSC Faizi Online ACADEMY 03098705664
Quiz
- The first microprocessors produced by Intel Corpn. and Texas
Instruments were used primarily to control small- A. microwave ovens
- B. washing machines
- C. calculators
- D. personal computers
- Which printer uses a combination of laser-beam & electro
photographic techniques.- A. Laser printers
- B. Dot-Matrix
- C. Line printer
- D. Daisy wheel
- A billionth of a second is defined as a:
- A. millisecond
- B. microsecond
- C. nanosecond
- D. picoseconds
- Which of the following is not currently a topic in computer science?
- A. Speech recognition
- B. Artificial intelligence
- C. Thermodynamics
- D. Multiprocessing
- Where have the program and data to be located before the ALU and
control unit of a computer can operate on it?- A. Internal memory
- B. Secondary memory
- C. Microprocessor
- D. Magnetic tapes
- When was Apple Macintosh II microcomputer introduced in the
market?- A. 1964
- B. 1970
- C. 1987
- D. 1986
- Control Unit of a digital computer is often called the
- A. Clock
- B. Nerve center
- C. ICs
- D. All of the above
- The unit of a computer system that executes program,
communicates with and often controls the operation of other
subsystems of the computer is known as- A. CPU
- B. Control Unit
- C. I/O unit
- D. Peripheral unit
- Human beings are referred to as Homosapiens. Which device is
called Silico sapiens?- A. Monitor
- B. Hardware
- C. Robot
- D. Computer
- Which access method is used for obtaining a record from a cassette
tape- A. direct
- B. sequential
- C. random
- D. All of the above
- The most important advantage of a video disk is
- A. Compactness
- B. Potential capacity
- C. Durability
- D. Cost effectiveness
- The process of entering data into a storage location
- A. adds to the contents of the location
- B. cause variation in its address number
- C. is known as a readout operation
- D. is destructive of previous contents
- Time during which a job is processed by the computer is
- A. Delay time
- B. Real time
- C. Execution time
- D. Down time
- Which of the following is used to insure the high quality of computer
output?- A. computer output microfilm
- B. output controls
- C. voice output systems
- D. liquid crystal display
- The most common binary code in use today is the 8 bit ASCII code.
What do the letters ASCII stand for?- A. American Standard Code for International Interchange
- B. American Standard Code for Information Interchange
- C. American Standard Code for Intelligence Interchange
- D. American Scientific Code for Information Interchange
- The software used to convert source program instructions to object
instruction is known as- A. Compiler
- B. Assembler
- C. Interpreter
- D. Language processor
- Binary numbers need more places for counting because:
- A. 0's and 1's can be added in front of them
- B. 0's and 1's have to be properly placed
- C. They are always big numbers
- D. Binary base is small
- Backing storage is so named because it
- A. is always kept at the back of the CPU
- B. is slow and backward
- C. backs up the computer
- D. lags behind the main memory
- The ASCII code for the character J is:
- A. 106
- B. 105
- C. 074
- D. 075
- Off-line operation is the operation of devices without the control of
- A. Memory
- B. CPU
- C. ALU
- D. Control unit
- What is meant by a dedicated computer?
- A. Which is used by one person only
- B. Which is assigned one and only one task
- C. Which uses on kind of software
- D. Which is meant for application software only
- Which of the following is the user programmed semiconductor
memory?- A. SRAM
- B. DRAM
- C. EPROM
- D. All of the above
- An instruction that transfers program control to one or more
possible paths is known as- A. Utility program
- B. System software
- C. Broadband channel
- D. Application program
- The two kinds of main Memory are:
- A. Primary and secondary
- B. Random and sequential
- C. ROM and RAM
- D. All of the above
- Name of the first guided weapon in the world which used a
programmable digital computer:- A. Sting Ray Torpedo
- B. Mk 46 Torpedo
- C. Air-Launched Cruise Missile (ALCM)
- D. Tomahawk Missile
- Programs designed to perform specific tasks is known as
- A. System software
- B. Application software
- C. Utility programs
- D. Operating system
- What is the name given to the weapons which use computerised
guidance system?- A. Guided weapons
- B. Smart weapons
- C. Dumb weapons
- D. Starwars weapons
- A monitor's _____ is the distance between the holes in the mask
behind the screen. This helps determine how sharp the dots appear.- A. refresh rate
- B. dot pitch
- C. resolution
- D. color depth
- The ALU of a computer normally contains a number of high speed
storage elements called- A. semiconductor memory
- B. registers
- C. hard disk
- D. magnetic disk
- What is the name of the printer which prints all the A's in a line
before all the B's?- A. Thermal printer
- B. Electrostatic printer
- C. Line printer
- D. Ink-jet printer