HARDWARE BASICS INSIDE THE BOX

Chapter 2:

 

Hardware Basics: Inside the Box

BY- neeraj  gauttam

+91-9414845123

Multiple Choice:

 

  1. Processing information involves:
  2. accepting information from the outside world.
  3. communication with another computer.
  4. performing arithmetic or logical operations on information that is input.
  5. All of these answers are forms of processing information.

Answer: C       Reference: What Computers Do                                             Difficulty: Moderate

  1. Producing output involves:
  2. accepting information from the outside world.
  3. communication with another computer.
  4. moving and storing information.
  5. communicating information to the outside world.

Answer: D       Reference: What Computers Do                                             Difficulty: Moderate

  1. Hardware components are:
  2. physical parts of a computer system.
  3. fully functional without computer software.
  4. impossible to add on after the initial purchase of a computer.
  5. the intangible parts of a computer system.

Answer: A       Reference: What Computers Do                                             Difficulty: Moderate

 

 

  1. The most common input devices include:
  2. monitors and keyboards.
  3. monitors and mice.
  4. mice and keyboards.
  5. printer and mice.

Answer: C       Reference: What Computers Do                                             Difficulty: Easy

 

  1. The primary output device for computers is a:
  2. video monitor.

Answer: A       Reference: What Computers Do                                             Difficulty: Easy

 

  1. The hardware device commonly referred to as the “brain” of the computer is the:
  2. RAM chip.
  3. data input.
  4. secondary storage.

Answer: C       Reference: What Computers Do                                             Difficulty: Moderate

 

  1. CPU stands for:
  2. central production unit.
  3. central processing unit.
  4. computer processing unit.
  5. computer primary unit.

Answer: B       Reference: What Computers Do                                             Difficulty: Moderate

 

 

  1. The CPU is also known as the:
  2. random access memory.
  3. primary storage.

Answer: A       Reference: What Computers Do                                             Difficulty: Easy

 

  1. The primary difference between RAM and secondary storage devices is:
  2. the length of time data is stored.
  3. RAM is permanent and secondary storage is temporary.
  4. RAM accepts input; secondary storage devices do not.
  5. the way data is stored to them.

Answer: A       Reference: What Computers Do                                             Difficulty: Challenging

 

  1. RAM is also known as:
  2. secondary storage.
  3. the central processing unit.
  4. the “brain” of the computer.
  5. primary storage.

Answer: D       Reference: What Computers Do                                             Difficulty: Moderate

 

  1. If a user needs information instantly available to the CPU, it should be stored:
  2. in the CPU.
  3. in RAM.
  4. in secondary storage.
  5. on a CD.

Answer: B       Reference: What Computers Do                                             Difficulty: Moderate

 

 

  1. Storage devices include all of the following EXCEPT:
  2. a recordable CD.
  3. a hard drive.
  4. a DVD drive.

Answer: B       Reference: What Computers Do                                             Difficulty: Moderate

 

  1. The input, output, and storage devices are known as:
  2. peripheral devices.
  3. secondary storage devices.
  4. hardware drivers.

Answer: A       Reference: What Computers Do                                             Difficulty: Moderate

 

  1. Digital means that computer information is discrete and countable, subdivided into:
  2. analog units.

Answer: A       Reference: Bit Basics                                                              Difficulty: Easy

 

  1. The smallest unit of information a computer can understand and process is known as a:

Answer: C       Reference: Bit Basics                                                              Difficulty: Moderate

 

 

  1. A bit can have two values:
  2. bit and byte.
  3. 0 and 1.
  4. 2 and 4.
  5. 1 and 2.

Answer: B       Reference: Bit Basics                                                              Difficulty: Moderate

 

  1. Binary means:
  2. there are two possibilities: on and off.
  3. the same as a byte: 8 bits.
  4. there are three options: 0, 1, and 2.
  5. that computers really need to have three or more options.

Answer: A       Reference: Bit Basics                                                              Difficulty: Easy

 

  1. A group of 8 bits is known as a:
  2. binary digit.

Answer: C       Reference: Bit Basics                                                              Difficulty: Moderate

 

  1. The binary system uses the power of:

Answer: D       Reference: How It Works 2.1: Binary Numbers                                  Difficulty: Easy

 

 

  1. A byte can represent any number between 0 and:

Answer: B       Reference: How It Works 2.1: Binary Numbers                                  Difficulty: Challenging

 

  1. The most widely used code that represents each character as a unique 8-bit code is:
  2. binary numbering system.

Answer: A       Reference: Bits as Codes                                                        Difficulty: Moderate

 

  1. ASCII stands for:
  2. American Standard Code for Information Interface.
  3. American Standard Computer Interface Internet.
  4. American Standard Code for Information Interchange.
  5. Advanced Standard Code for Interface Interchange.

Answer: C       Reference: Bits as Codes                                                        Difficulty: Challenging

 

  1. In ASCII, ____________ characters can be created.
  2. 255
  3. 1,024
  4. 256
  5. 128

Answer: C       Reference: Bits as Codes                                                        Difficulty: Challenging

 

 

  1. An advanced coding scheme that incorporates Chinese, Greek, Hebrew, and Japanese is known as:
  2. World wide interchange (WWI).

Answer: D       Reference: Bits as Codes                                                        Difficulty: Challenging

 

  1. 1,024 bytes of data is a:

Answer: B       Reference: Bits, Bytes,            and Buzzwords                                                Difficulty: Easy

 

  1. Approximately 1,000 megabytes is a:

Answer: D       Reference: Bits, Bytes,            and Buzzwords                                                Difficulty: Moderate

 

  1. The largest storage devices commonly available today are able to store:

Answer: B       Reference: Bits, Bytes,            and Buzzwords                                                Difficulty: Challenging

 

 

  1. The unit that transforms input into output is known as the:
  2. RAM chip.
  3. BIOS chip.

Answer: C       Reference: The CPU: The Real Computer                               Difficulty: Moderate

 

  1. The motherboard is the:
  2. circuit board that contains a CPU and other chips.
  3. circuit board that houses peripheral devices.
  4. same as the CPU chip.
  5. the first chip that is accessed when the computer is turned on.

Answer: A       Reference: The CPU: The Real Computer                               Difficulty: Moderate

 

  1. Backward compatibility means that:
  2. a Pentium 4 chip can handle processing previously done by a Pentium III.
  3. all hardware will work will other hardware.
  4. a mouse will work with more advanced hardware that comes out after the date the mouse was produced.
  5. all software will work on all other computer systems.

Answer: A       Reference: Compatibility                                                        Difficulty: Moderate

 

  1. Linux is a(n):
  2. computer system.
  3. operating system.
  4. piece of application software.
  5. type of CPU device.

Answer: B       Reference: Compatibility                                                        Difficulty: Challenging

 

 

  1. The clock of a computer system is the:
  2. software that shows the time on the taskbar.
  3. timing device that processes all instructions input into the computer.
  4. timing device that produces electrical pulses to synchronize the computer’s operations.
  5. device that is the newest and most modern in a computer system.

Answer: C       Reference: Performance                                                         Difficulty: Moderate

 

  1. A computer’s clock speed is measured in:

Answer: D       Reference: Performance                                                         Difficulty: Challenging

 

  1. The word size of a typical PC’s CPU is:
  2. 1 or 2 bytes.
  3. 32 or 64 bits.
  4. 32 or 64 bytes.
  5. 8 or 16 bits.

Answer: B       Reference: Performance                                                         Difficulty: Challenging

 

  1. The ____________, by Intel, is a 64-bit processor.
  2. Pentium
  3. Athlon
  4. Itanium
  5. Celeron

Answer: C       Reference: Performance                                                         Difficulty: Challenging

 

 

  1. When two processors are employed in a computer, it is known as:
  2. double processing.
  3. parallel processing.
  4. CPU duplicate processing.

Answer: B       Reference: Performance                                                         Difficulty: Moderate

 

  1. Units that work together in the CPU include all EXCEPT:
  2. the ALU.
  3. the prefetch unit.
  4. the decode unit.

Answer: D       Reference: How It Works 2.3: The CPU                                             Difficulty: Challenging

 

  1. The CPU’s ALU contains:
  2. RAM spaces.
  3. byte spaces.
  4. secondary storage space.

Answer: B       Reference: How It Works 2.3: The CPU                                             Difficulty: Challenging

 

  1. The part of the CPU that instructs the bus unit to read instructions stored at a certain memory address is known as the:
  2. bus device.
  3. prefetch unit.
  4. decode unit.

Answer: B       Reference: How It Works 2.3: The CPU                                             Difficulty: Challenging

 

 

  1. The storage area for the next likely data or instruction to be processed, preventing bottlenecks and slowing of the system, is known as:
  2. the register.
  3. the CPU.

Answer: A       Reference: How It Works 2.3: The CPU                                             Difficulty: Challenging

 

  1. RAM stands for:
  2. Random Access Memory.
  3. Readily Accessible Memory.
  4. Randomly Accessible Memory.
  5. Read Access and Memorize.

Answer: A       Reference: The Computer’s Memory                                      Difficulty: Easy

 

  1. Information stored in RAM is considered volatile, which means it is:
  2. stored there permanently.
  3. not held permanently, only temporarily.
  4. stored when the electricity is shut off.
  5. stored permanently in the CPU device.

Answer: B       Reference: The Computer’s Memory                                      Difficulty: Moderate

 

  1. The memory that stores the computer’s date, time, and calendar is the:
  2. flash memory.

Answer: D       Reference: The Computer’s Memory                                      Difficulty: Moderate

 

 

  1. The time for the processor to retrieve data from memory is measured in:

Answer: B       Reference: The Computer’s Memory                                      Difficulty: Challenging

 

  1. The circuit board that contains RAM chips is known as a:
  2. RAM board.

Answer: C       Reference: How It Works 2.4: Memory                                              Difficulty: Moderate

 

  1. The permanently etched program in ROM that automatically begins executing the computer’s instructions is the:

Answer: A       Reference: How It Works 2.4: Memory                                              Difficulty: Challenging

 

  1. The groups of wires that transfer data are known as the:
  2. system clock.
  3. system buses.

Answer: C       Reference: Buses, Ports, and Peripherals                                Difficulty: Easy

 

 

  1. Expansion cards are inserted into:
  2. peripheral devices.
  3. the CPU.
  4. the back of the computer.

Answer: A       Reference: Buses, Ports, and Peripherals                                Difficulty: Moderate

 

  1. External devices such as printers, keyboards, and modems are known as:
  2. add-on devices.
  3. extra hardware devices.
  4. PC expansion slot add-ons.

Answer: B       Reference: Working Wisdom: Green Computing                    Difficulty: Easy

 

Fill in the Blank:

 

  1. The first function that computers perform is to receive ____________ or information from the outside world.

Answer: input                         Reference: What Computers Do                                 Difficulty: Easy

  1. The physical components of a computer system are known as ____________.

Answer: hardware                   Reference: What Computers Do                                 Difficulty: Easy

  1. A printer and a monitor are the most common ____________ devices.

Answer: output                       Reference: What Computers Do                                 Difficulty: Easy

  1. Data that must be immediately available for processing in the CPU must be stored in ____________.

Answer: RAM or memory       Reference: What Computers Do                                 Difficulty: Moderate

  1. Hard disk drives, DVD drives, and floppy drives are all forms of ____________ storage.

Answer: secondary or permanent     Reference: What Computers Do                        Difficulty: Moderate

  1. The keyboard, monitor, and a DVD drive are known as ___________.

Answer: peripherals                Reference: What Computers Do                                 Difficulty: Moderate

 

  1. A computer system is not complete without ____________, which tells the hardware what to do.

Answer: software                    Reference: What Computers Do                                 Difficulty: Moderate

  1. A(n) ____________ is a binary digit.

Answer: bit                             Reference: Bit Basics                                                  Difficulty: Moderate

  1. A program that runs on a(n) ____________ operating system cannot run on Windows.

Answer: Linux                        Reference: Compatibility                                            Difficulty: Moderate

  1. Eight bits are called a(n) ____________.

Answer: byte                           Reference: Bit Basics                                                  Difficulty: Easy

  1. The most widely used code of computer systems is ____________.

Answer: ASCII                        Reference: Bits as Codes                                            Difficulty: Moderate

  1. GB stands for ____________.

Answer: gigabyte                    Reference: Bits, Bytes, and Buzzwords                      Difficulty: Easy

  1. Data transfer speed is measured in ___________.

Answer: megabits                    Reference: Bits, Bytes, and Buzzwords                      Difficulty: Challenging

  1. The CPU, all additional chips, and the electronic circuitry are all housed on the ____________.

Answer: motherboard             Reference: The CPU: The Real Computer                   Difficulty: Moderate

  1. Gigahertz is a measure of the computer’s clock speed and is measured in ____________ of clock cycles per second.

Answer: billions                      Reference: Performance                                             Difficulty: Challenging

  1. The number of bits a CPU can process simultaneously is the CPU’s ____________.

Answer: word size                  Reference: Performance                                             Difficulty: Challenging

  1. SIMM stands for ___________.

Answer: single in-line memory module     Reference: The Computer’s Memory       Difficulty: Easy

  1. Computer memory or primary memory is also known as ____________.

Answer: RAM                         Reference: The Computer’s Memory                          Difficulty: Easy

  1. ___________ memory is nonvolatile and often used in digital cameras and cell phones.

Answer: Flash                         Reference: The Computer’s Memory                          Difficulty: Challenging

  1. Nonvolatile memory, etched at the factory, is called ____________.

Answer: ROM                         Reference: The Computer’s Memory                          Difficulty: Moderate

  1. The wire groups that transfer data between components on the motherboard are known as the ____________.

Answer: buses or system buses                                                                                   Reference: Buses, Ports, and Peripherals                               Difficulty: Moderate

  1. Sockets on the outside of the computer, often in the back, into which you can plug peripherals are the ____________ of the computer system.

Answer: ports                          Reference: Buses, Ports, and Peripherals                    Difficulty: Moderate

Matching:

 

  1. Match the following terms to their meanings:
  2. bus A.  area in the computer box for disk drives or other devices
  3. bay B.   printer, scanner, or mouse, for example

III. expansion card                  C.   wires that move data from one component to another

  1. port D. location to insert a PC card, for example
  2. expansion slot E.   adds an additional feature to a computer system
  3. peripheral F. socket on the outside of the computer

Answers: C, A, E, F, D, B                   Reference: How It Works 2.1: Binary Numbers          Difficulty: Easy

 

 

 

 

  1. Match the following terms to their meanings:
    1. RAM A.  memory chips on small circuit boards, double-sided
    2. CMOS B.   similar to RAM but nonvolatile
  • DIMM C.   low-energy, battery powered memory
  1. ROM D.  memory chips on small circuit boards, single-sided
  2. BIOS E.   firmware programs in ROM
  3. flash memory F.   primary memory
  • SIMM G. nonvolatile memory

Answers: F, C, A, G, E, B, D              Reference: How It Works 2.4: Memory                      Difficulty: Moderate

 

 

  1. Match the following terms to their meanings:
  2. ALU A.  32 or 64 bit storage for the ALU
  3. register B.   memory which is faster than RAM
  • prefetch unit C.   32 or 64 bits processed simultaneously
  1. cache D.  part of the CPU where instructions are performed
  2. word size E.   translates an instruction
  3. decode unit F.   retrieves an instruction
  • clock G. timing device

Answers: D, A, F, B, C, E, G              Reference: How It Works 2.3: The CPU                     Difficulty: Moderate

 

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