MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
EBCDIC can code up to how many different characters? |
| A. | 8 |
| B. | 16 |
| C. | 32 |
| D. | 256 |
| Answer» E. | |
| 2. |
Name the two persons who were the first to develop a model of the microprocessor chip. |
| A. | Marcian Ted Hoff |
| B. | Victor Poor |
| C. | Harry pyle |
| D. | Both (b) and (c) |
| Answer» E. | |
| 3. |
The first electronic digital computer contained? |
| A. | Electronic valves |
| B. | Vacuum tubes |
| C. | Transistors |
| D. | Semiconductor memory |
| Answer» C. Transistors | |
| 4. |
Computers are extremely fast and have fantastic memories. However, the only thing they can remember is |
| A. | Instruction |
| B. | Series of 1s and 0s |
| C. | Boolean algebra |
| D. | Logic theorems |
| Answer» C. Boolean algebra | |
| 5. |
A high speed device used in CPU for temporary storage during processing is called |
| A. | A register |
| B. | A bus |
| C. | A databus |
| D. | All of the above |
| Answer» B. A bus | |
| 6. |
Before a disk drive can access any sector record, a computer program has to provide the record's disk address. What information does this address specify? |
| A. | Track number |
| B. | Sector number |
| C. | Surface number |
| D. | All of the above |
| Answer» E. | |
| 7. |
All the instructions and procedures needed to start up a computer, to the point it can load an operating system, are stored in ROM chips. In IBM compatible PCs this is called the _____ |
| A. | RAM BIOS |
| B. | ROM BIOS |
| C. | EPROM |
| D. | POST |
| Answer» C. EPROM | |
| 8. |
The language that is an input for statement translation is called |
| A. | Assembly language |
| B. | Source language |
| C. | High-level language |
| D. | Object language |
| Answer» C. High-level language | |
| 9. |
A multi programming system is one that can |
| A. | run very fast |
| B. | share hardware resources with many programs simultaneously |
| C. | compute many programs simultaneously |
| D. | use many operating systems |
| Answer» C. compute many programs simultaneously | |
| 10. |
Which of the following holds data and processing instructions temporarily until the CPU needs it? |
| A. | ROM |
| B. | control unit |
| C. | main memory |
| D. | coprocessor chips |
| Answer» D. coprocessor chips | |
| 11. |
In comparison with static RAM memory, the dynamic RAM memory has |
| A. | lower bit density and higher power consumption |
| B. | higher bit density and higher power consumption |
| C. | lower bit density and lower power consumption |
| D. | higher bit density and lower power consumption |
| Answer» E. | |
| 12. |
Conversion of binary number 1010101000010111 to hexadecimal number is |
| A. | D8F916 |
| B. | A8B916 |
| C. | AA1716 |
| D. | D9F816 |
| Answer» D. D9F816 | |
| 13. |
A _____ is simply an arrangement where multiple disk drives appear as a single disk drive to the user. |
| A. | disk |
| B. | disk array |
| C. | bunch of disks |
| D. | disk pack |
| Answer» C. bunch of disks | |
| 14. |
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 |
| Answer» D. Ink-jet printer | |
| 15. |
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 |
| Answer» C. hard disk | |
| 16. |
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 |
| Answer» C. resolution | |
| 17. |
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 |
| Answer» C. Dumb weapons | |
| 18. |
Programs designed to perform specific tasks is called known as |
| A. | System software |
| B. | Application software |
| C. | Utility programs |
| D. | Operating system |
| Answer» C. Utility programs | |
| 19. |
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 |
| Answer» B. Mk 46 Torpedo | |
| 20. |
The two kinds of main Memory are: |
| A. | Primary and secondary |
| B. | Random and sequential |
| C. | ROM and RAM |
| D. | All of the above |
| Answer» D. All of the above | |
| 21. |
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. | None of the above |
| Answer» D. None of the above | |
| 22. |
Which of the following is the user programmed semiconductor memory? |
| A. | SRAM |
| B. | DRAM |
| C. | SPROM |
| D. | All of the above |
| Answer» D. All of the above | |
| 23. |
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 |
| Answer» C. Which uses on kind of software | |
| 24. |
Off-line operation is the operation of devices without the control of |
| A. | Memory |
| B. | CPU |
| C. | ALU |
| D. | Control unit |
| Answer» C. ALU | |
| 25. |
The ASCII code for the character J is: |
| A. | 1001 0001 |
| B. | 1001 1010 |
| C. | 0100 1010 |
| D. | 1010 0001 |
| Answer» D. 1010 0001 | |
| 26. |
Backing storage is so named because it |
| A. | is always kept at the back of the CP.U. |
| B. | is slow and backward |
| C. | backs up the computers main memory |
| D. | lags behind the main memory |
| Answer» D. lags behind the main memory | |
| 27. |
Binary numbers need more places for counting because: |
| A. | 0s and 1s can be added in front of them |
| B. | 0s and 1s have to be properly placed |
| C. | They are always big numbers |
| D. | Binary base is small |
| Answer» E. | |
| 28. |
The software used to convert source program instructions to object instruction is known as |
| A. | Compiler |
| B. | Assembler |
| C. | Interpreter |
| D. | Language processor |
| Answer» E. | |
| 29. |
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 |
| Answer» C. American Standard Code for Intelligence Interchange | |
| 30. |
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 |
| Answer» C. voice output systems | |
| 31. |
Time during which a job is processed by the computer is |
| A. | Delay time |
| B. | Real time |
| C. | Execution time |
| D. | Down time |
| Answer» D. Down time | |
| 32. |
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 |
| Answer» E. | |
| 33. |
The most important advantage of a video disk is |
| A. | Compactness |
| B. | Potential capacity |
| C. | Durability |
| D. | Cost effectiveness |
| Answer» C. Durability | |
| 34. |
Which access method is used for obtaining a record from a cassette tape |
| A. | direct |
| B. | sequential |
| C. | random |
| D. | All of the above |
| Answer» C. random | |
| 35. |
Human beings are referred to as Homosapiens. Which device is called Silico sapiens? |
| A. | Monitor |
| B. | Hardware |
| C. | Robot |
| D. | Computer |
| Answer» E. | |
| 36. |
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 |
| Answer» B. Control Unit | |
| 37. |
Control Unit of a digital computer is often called the |
| A. | Clock |
| B. | Nerve center |
| C. | ICs |
| D. | All of the above |
| Answer» C. ICs | |
| 38. |
When was Apple Macintosh II microcomputer introduced in the market? |
| A. | 1964 |
| B. | 1970 |
| C. | 1983 |
| D. | 1986 |
| Answer» D. 1986 | |
| 39. |
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 |
| Answer» B. Secondary memory | |
| 40. |
A billionth of a second is defined as a: |
| A. | millisecond |
| B. | microsecond |
| C. | nanosecond |
| D. | picoseconds |
| Answer» D. picoseconds | |
| 41. |
Which printer uses a combination of laser-beam & electro photographic techniques. |
| A. | Laser printers |
| B. | Dot-Matrix |
| C. | Line printer |
| D. | Daisy wheel |
| Answer» B. Dot-Matrix | |
| 42. |
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 |
| Answer» D. personal computers | |
| 43. |
Who is considered the 'father' of the minicomputer and one of the founder fathers of the modern computer industry world-wide? |
| A. | George Tate |
| B. | Kenneth H. Olsen |
| C. | Seymour Cray |
| D. | Basic Pascal |
| Answer» C. Seymour Cray | |
| 44. |
What is the name given to the molecular-scale computer? |
| A. | Femtocomputer |
| B. | Nanocomputer |
| C. | Supercomputer |
| D. | Microcomputer |
| Answer» C. Supercomputer | |
| 45. |
As compared to diskettes, the hard disks are |
| A. | more expensive |
| B. | more portable |
| C. | less rigid |
| D. | slowly accessed |
| Answer» B. more portable | |
| 46. |
Symbolic languages were developed in |
| A. | 1962 |
| B. | 1950 |
| C. | 1974 |
| D. | 1980 |
| Answer» C. 1974 | |
| 47. |
Which network is a packet switching network? |
| A. | Ring network |
| B. | LAN |
| C. | Star network |
| D. | EuroNET |
| Answer» E. | |
| 48. |
An index register that is automatically incremented or decremented with each use is |
| A. | Auto index |
| B. | Asynchronous |
| C. | Assembler |
| D. | Compiler |
| Answer» B. Asynchronous | |
| 49. |
Which is a device that changes information into digital form? |
| A. | Modem |
| B. | Digitizer |
| C. | Mouse |
| D. | Light pen |
| Answer» C. Mouse | |
| 50. |
A modern electronic computer is a machine that is meant for |
| A. | Doing quick mathematical calculations |
| B. | Input storage, manipulation of outputting of data |
| C. | Electronic data processing |
| D. | Performing repetitive tasks accurately |
| Answer» C. Electronic data processing | |