Window Operating System

A semiconductor memory which allows the eraser of the information stared in it so that new information can be stared in it is referred as:

• (A) EPROM
• (B) ROM
• (C)RAM
• (D) None

Extended ASCII uses:

• (A) 8 bits for coding
• (B) 9 bits for coding
• (C) 10 bits for coding
• (D) 11 bits for coding

Which of the following memory medium is not used as main memory system?

• (A) Magnetic core
• (B) Semiconductor
• (C) Magnetic tape
• (D) Both a and b

Registers, which are partially visible to users and used to hold conditional, are known as:

• (A) PC
• (B) Memory address registers
• (C) General purpose register
• (D) Flags

One of the main features that distinguish microprocessors from micro-computers is:

• (A) Words are usually microprocessors larger
• (B) Words are shorter in microprocessors
• (C) Microprocessor does not contain I/O devices
• (D) Exactly the same as the machine cycle time

The least significant bit of the binary number, which is equivalent to any odd decimal number, is:

• (A) 0
• (B) 1
• (C) 1 or 0
• (D) 3

The first microprocessor built by the Intel Corporation was called:

• (A) 8008
• (B) 8080
• (C) 4004
• (D) 8800

Who built the calculator using bulbs and batteries: world’s first electronic telephone relays, light?

• (A) Claude Shannon
• (B) Kennard Zeus
• (C) George Stibitz
• (D) Howard H. Aiken

Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?

• (A) Napier
• (B) Babbage
• (C) Pascal
• (D) Leibniz

IBM 7000 digital computer:

• (A) Belongs to second generation
• (B) Uses VLSI:
• (C) Employs semi conductor memory
• (D) Has modular constructions