IMPORTANT MCQ's OF COMPUTER
(PART-6)

The most widely used coding scheme is------------  

• ASCII
• Unicode
• EBCDIC
• Hexadecimal

A microprocessor is a:  

• Central processing unit on a chip
• Motherboard
• Memory module
• Transistor

A system bus:

• runs at 100 MHz.
• Transports data between the CPU and memory.
• Uses a set of serial electrical paths.
• Is always the same size.

Expansion boards are also called:

• Adapter cards.
• Serial ports.
• USB ports.
• Parallel ports.

The IEEE 1394 bus is a(n):  

• PC Card bus.
• Low-speed parallel bus.
• High-speed serial bus.
• Universal Serial Bus (USB).

A name for memory packaged on a circuit board is:  

• DRAMs.
• SIMMs.
• RDRAMs.
• SRAMs.

A measure of computer speed is:

• TB.
• KB.
• MIPS.
• MB.

What is defined as the number of bits that the CPU processes as a unit?  

• A computer sentence
• A computer word
• A computer phrase
• A computer term

Semiconductor memory is:  

• Random.
• Volatile.
• Read-only.
• Static.

What are currently being used in cellular phones, digital cameras, and digital music recorders?  

• Micro chips
• SIMM chips
• Flash chips
• RAM chips

The ultimate speed solution is __________, a method of using multiple processors at the same time.  

• parallel processing
• serial processing

 __________ is a processing technique that feeds a new instruction into the CPU at every step of the processing cycle so that four or more instructions are being worked on simultaneously.  

• Pipelining
• Caching

The two parts of the __________ are the control unit and the arithmetic/logic unit.  

• central processing unit
• primary storagev 

The __________ contains circuitry that uses electrical signals to direct the entire computer system to carry out, or execute, stored program instructions.  

• arithmetic/logic unit (ALU)
• control unit

Memory is also known as primary storage, primary memory, __________, internal storage, and main memory.  

• secondary storage
• main storage

Before an instruction can be executed, program instructions and data must be placed into memory from a(n) __________ or a secondary storage device.  

• Diskette
• input device

The first two steps that the CPU performs on each instruction are called instruction time, or __________.

• I-time
• machine cycle

The last two steps that the CPU performs on each instruction are called execution time or __________.

• I-time
• E-time

The combination of I-time and E-time is called the __________.  

• instruction set
• machine cycle

Which systems can interpret sustained speech so that users can speak almost normally?  

• Continuous word
• Instant word
• Discrete word
• Virtual word

Digital photographs are composed of:  

• Points.
• Pixels.
• Frames.
• Digits.

All The Best :)