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41. Which of the following are the components that reside on motherboard?
A. CMOS battery
B. Fan
C. PCI slot
D. All of these
ANSWER:D
SOLUTION:A typical motherboard contains the CPU, memory, storage, ROM BIOS, Southbridge and Northbridge chipsets, cooling fans, peripheral connector slots, connectors for peripheral devices, the battery backup and the power connector.
42. Personal computers used on a a number of chips mounted on a main circuit board. What is the common name for such board?
A. Daughterboard
B. Motherboard
C. Broadboard
D. None of these
ANSWER: B
SOLUTION:A motherboard is the main printed circuit board (PCB) in general-purpose computers and other expandable systems.
43. The CPU and memory are located in which of the following devices?
A. Motherboard
B. Expansion board
C. Storage device
D. Output device
ANSWER:A
SOLUTION:The motherboard is the computer’s main circuit board. It’s a thin plate that holds the CPU, memory, connectors for the hard drive and optical drives, expansion cards to control the video and audio, and connections to your computer’s ports (such as USB ports).
44. Microprocessors can be used to make ____.
A. Computer
B. Digital system
C. Calculators
D. All of these
ANSWER:D
SOLUTION:General-purpose microprocessors in personal computers are used for computation, text editing, multimedia display, and communication over the Internet.
45. High power microprocessor is ____.
A. Pentium, Pentium pro
B. Pentium II and III
C. Pentium II
D. All of these
ANSWER: D
SOLUTION:All of these
46. A microprocessor is the brain of the computer and is called a ____.
A. Microchip
B. Macro chip
C. Macro processor
D. Calculator
ANSWER: A
SOLUTION:A microprocessor is also known as a Central Processing Unit (CPU). The CPU is the brain of a computer, and is a large chip inside the computer. It contains the circuitry that processes input, stores data, and outputs results.
47. Who invent the first microprocessor?
A. Vint Cerf
B. Terence Percival
C. John Mauchly
D. Ted Hoff
ANSWER: D
SOLUTION:Ted Hoff
48. The I/O processor has a direct access to ____ and contains a number of independent data channels.
A. Main memory
B. Secondary memory
C. Cache
D. Flash memoy
ANSWER: A
SOLUTION:Main memory
49. The word ‘computer’ usually refers to central processing unit plus ____.
A. External memory
B. Internal memory
C. Input device
D. Output device
ANSWER: A
SOLUTION:The word ‘Computer’ usually refers to the Central Processor Unit plus External memory. External storage enables users to store data separately from a computer’s main or primary storage and memory at a relatively low cost. It increases storage capacity without having to open up a system.
50. Which computer memory is used for storing programs and data currently being processed by the CPU?
A. Mass Memory
B. Internal Memory
C. Non volatile Memory
D. PROM
ANSWER:B
SOLUTION:The computer memory is used for storing programs and data currently being processed by the CPU Internal memory. RAM is a storage device. When a program is started, it is loaded into RAM. The CPU then fetches machine language instructions from RAM and executes them.